title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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Diagnostic problems in extrapyramidal disorders. | The diagnostic problems of extrapyramidal disorders (ED) are reviewed. Many of the wide range of ED occur rarely, and clinical experience is difficult to obtain. Despite great advances in pathophysiology and pathological anatomy the diagnosis of ED is still mainly a clinical diagnosis, and the diagnostic problems are d... | 281,087 | [
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[Platelet function in acute myeloid leukemia. II. Aggregation of isolated platelets]. | In 22 patients with acute myeloid leukaemia (17 cases of myeloblastic leukaemia, 4 cases of myelomonocytic leukaemia and 1 case of undifferentiated-cell leukaemia) platelets were isolated from the plasma by the method of Nicholls and Hampton as modified by Levy-Toledano by centrifugation in albumin gradient. The aim of... | 281,086 | [
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Obstetric service and perinatal mortality in Norway. | Information on personnel, equipment and care facilities at all maternity institutions has been related to the perinatal mortality among all single births in Norway, 1967--1973. There was a total of 454,358 single births during this seven year period which comprised the study data set. An obstetric score based on person... | 281,093 | [
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Porosity of resin filling materials. | Four paste-paste types of resin filling materials and three capsulated products were tested with respect to porosity content and size distribution of the pores. The data were obtained by using an automatic image analyzer. The paste-paste products were inserted into the test cavities by a bulk-packing technique and an i... | 281,104 | [
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Endoscopic retrograde cholangiopancreatography. | Endoscopic retrograde cholangiopancreatography (ERCP) involves cannulation of the papilla of Vater followed by contrast radiology of the biliary and pancreatic ducts. With experience, X-ray films of the desired duct(s) can be obtained in 90% of patients, with minimal patient discomfort and a low frequency of complicati... | 281,214 | [
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Computed tomography of abdominal aortic aneurysms. | Computed tomography is an excellent non-invasive method for visualization of the size and extent of abdominal aortic aneurysms. It demonstrates the size of the lumen and the amount of thrombus in the aneurysm, and detects complications such as dissection and leakage. | 281,218 | [
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Mandibulo-facial aspects of the cervical cystic lymphangioma (cystic hygroma). | Sixteen cases of cervical cystic lymphangioma are reported; all but two were present at birth. Intra-oral extensions were detected in five and three of these caused macroglossia resulting in partial respiratory obstruction. Mal-development of the jaws and consequent dental malocclusion is a possible complication of the... | 281,243 | [
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The atrophic mandible: aspects of technique in lower labial sulcoplasty. | Severe alveolar atrophy is a common sequel to the extraction of teeth from the mandible. This atrophy, coupled with the associated superficiality of adjacent muscle attachments (Fig. 1a) precludes the provision of a stable, retentive prosthesis. This paper discusses some of the operations which have been designed to al... | 281,248 | [
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Anatomic relationshiphs between the human levator and tensor veli palatini and the eustachian tube. | To define the interrelationships of the human levator and tensor veli palatini muscles and the Eustachian tube, fetal heads were serially sectioned and anatomic reconstruction done. Cephalometric points on fetal and adult skulls were compared to evaluate the effect of growth and development on these interrelationships.... | 281,276 | [
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An unusual case of median cleft lip with orbital hypotelorism--a missing link in the classification. | De Myer (1963) classified median-facial anomalies into two groups: 1. Median cleft lip with orbital hypotelorism 2. Median cleft lip with orbital hypertelorism. The first group is characterised by median-cleft lip, absence of premaxilla, nasal skeleton, and crista galli. In addition, there is a holoprosencephaly which ... | 281,280 | [
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Incomplete EEC syndrome in a patient with mosaic monosomy 21. | Chromosome anomalies in cases of ectrodactyly, ectodermal dysplasia and cleft of the lip and palate (EEC syndrome) have now been reported. We now report a child with the above syndrome and mosaic monosomy of chromosome 21. | 281,284 | [
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The effect of eugenol on oral mucous membranes. | Eugenol, in the 100 percent concentration in commercial use, was applied to a circumscribed area, 3 mm in diameter, of rat labial mucosa for 1 minute. Reaction periods of 15 minutes, 1, 2, 4 and 6 hours were then permitted. Using routine histological procedures for processing the experimental tissues, it was observed t... | 281,340 | [
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The colorimetric analysis of sialic acid in human saliva and bovine salivary mucin. | Three colorimetric methods were compared for their suitability for the analysis of sialic acid in human mixed saliva and bovine submaxillary gland mucin. The thiobarbituric acid method was most precise with human saliva, appeared to be subject to the least interference and is therefore the method of choice for these sa... | 281,346 | [
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A comparative in vitro study of GK-101 and GK-101E in caries removal. | (1) This study indicated that both GK-101 and GK-101E exerted a statistically significant chemical action in the removal of carious material, in addition to any mechanical effects of the delivery system and applicator tip. (2) The superiority of GK-101E over saline in caries removal was noted, regardless of lesion cons... | 281,357 | [
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Summary of workshop on recurrent aphthous stomatitis and Behcet syndrome. | The various forms of aphthous stomatitis and Behcet syndrome share common signs that were discussed during a conference workshop. Four markers should be considered in determining the presence of these diseases: hematologic abnormalities, HLA, antibody responses, and immune complexes. | 281,401 | [
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Coordination of the goals of orthodontic, surgical, and prosthetic dentistry: anterior maxillary osteotomy. | This paper demonstrates the necessity of a team approach in complicated cases; introduces an inexpensive yet stable appliance for postsurgical intra-arch fixation; and warns of the dangers of rehabilitation before total temporomandibular joint resolution. | 281,405 | [
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Juvenile periodontitis (periodontosis): current concepts. | The clinical signs and symptoms of periodontosis have been described. Although initially described as a degenerative, noninflammatory disease, recent evidence suggests that periodontosis is inflammatory, with virulent gram-negative microorganisms, selective immune deficiencies, dysfunction of polymorphonuclear leukocyt... | 281,426 | [
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Stability of the mandible after surgical correction of skeletal class III malocclusion in 50 patients. | Fifty cases of skeletal Class III malocclusion were analyzed by the tracings of presurgical and postsurgical cephalograms to evaluate the stability of the mandible a year after surgery. In 33 patients, the curved oblique osteotomy in the ascending ramus was used; the correction was made in the mandibular body for 17 pa... | 281,471 | [
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Correction of prognathism with fixed and removable partial dentures. | Prognathism in those patients for whom surgical orthodontic procedures are contraindicated can be successfully treated by the use of fixed and removable partial denture prosthodontics. Careful neuromuscular evaluation of the patient is necessary for the success of the treatment rendered. The nonsurgical treatment of pr... | 281,500 | [
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Wound healing of endosteal vitreous carbon implants in dogs. | Endosteal vitreous carbon implants are biocompatible and were well-tolerated by the alveolar process of dogs but were not accepted by the gingival margin and the mucosa. A continuous gingival recession with 2 to 3 mm sulcus depth was not similar to that around adjacent natural teeth. There was no epithelial attachment ... | 281,528 | [
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Genealogy of cancer in a family. | Three brothers had separate childhood cancers--osteogenic sarcoma, acute lymphoblastic leukemia, and bilateral malignant neurilemoma. Comprehensive family history showed a total of 16 cases of cancer among the descendants of the proband's great-great-great-grandmother, including a previously unsuspected cluster of simi... | 281,540 | [
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3-Hydroxyxanthine: transplacental effects and ontogeny of related sulfate metabolism in rats and mice. | The ontogeny of sulfate metabolism related to the metabolic activation of the carcinogenic purine N-oxide 3-hydroxyxanthine (3-OH-X) was studied in noninbred Sprague-Dawley rats. Sulfotransferase activity toward 3-OH-X was detectable in most fetal livers near term at about 25% of adult values and increased slowly after... | 281,548 | [
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Surface structure of fetal rat brain cells during neoplastic transformation in cell culture. | The surface microstructure of fetal rat brain cells undergoing neoplastic transformation in long-term cell culture after a single transplacental pulse of 75 microgram N-ethyl-N-nitrosourea/g body weight to the fetal (18th day of gestation) BD IX rat was investigated by scanning electron microscopy. After about 3 weeks ... | 281,550 | [
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Spontaneous hepatomas in mice inbred from Ha:ICR Swiss stock: effects of sex, cedar shavings in bedding, and immunization with fetal liver or hepatoma cells. | Mice from Ha:ICR noninbred Swiss stock were mated brother X sister for 21--25 generations and then maintained up to the age of 33 months. Hepatomas developed in 62.8% of 86 males autopsied at 349--999 days of age (mean age = 21.1 mo). Of 130 females, 6.9% had hepatomas when autopsied at 328-825 days of age (mean age = ... | 281,561 | [
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Chronic myelocytic leukemia terminating in blast cell crisis with lymphoblastic characteristics. | A child with chronic myelocytic leukemia (CML), Philadelphia chromosome positive, developed a non-T cell, non-B cell, acute lymphocytic leukemia (ALL) during her blast cell crisis. The diagnosis was suggested by light microscopy and supported by histochemical stains and transmission electron microscopy. Immunologic stu... | 281,667 | [
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Effect of thyroid phospholipids on the interaction of thyrotropin with thyroid membranes. | Various lipids extracted from bovine thyroid glands were tested for their ability to affect the binding of 125I-labeled thyrotropin to bovine thyroid membranes. The most potent inhibitors were the acidic phospholipids in the order cardiolipin greater than phosphatidylglycerol greater than phosphatidylinositol greater t... | 281,681 | [
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RNA sequencing with radioactive chain-terminating ribonucleotides. | A rapid method for determining nucleotide sequences in RNA is described. It employs the 3'-deoxy analogues of the ribonucleoside triphosphates as specific chain terminators during RNA synthesis. For example, the inclusion of 3'-deoxyuridine 5'-triphosphate in an RNA synthesis reaction in addition to the four usual ribo... | 281,683 | [
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Effect of transmembrane ion gradients on Raman spectra of sealed, hemoglobin-free erythrocyte membrane vesicles. | Sealed hemoglobin-free erythrocyte vesicles have been isolated. Imposition of transmembrane cation gradients increases the intensity of Raman scattering in the CH3-stretching region as observed with unsealed ghosts at temperatures greater than 38 degrees C and pH less than 7.0 [Verma, S. P. & Wallach, D. F. H. (197... | 281,696 | [
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0... |
Species-specific suppression of histone H1 and H2B production in human/mouse hybrids. | Ten human/mouse hybrid cell lines that segregate either human or mouse chromosomes were examined for the expression of human- and mouse-specific histones H1 and H2B. Results of this study indicate that the human and mouse chromosomes in hybrid cells that segregate human chromosomes (M greater than H hybrids) contain on... | 281,709 | [
-0.1105182,
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0.04512008,
0.1025097,
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0.1240168,
0.07474675,
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... |
[The equivalent of the Morel-Lavalle syndrome in the cheek associated to a fistula of Stensen's duct (author's transl)]. | The authors report a case of post-traumatic jugal lymphatical effusions associated to a fistula of Stensen's Duct. The lesions have healed by placing a suction drainage without modelling catheterism. | 281,748 | [
-0.1412382,
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0.03712138,
-0.2881899,
0.007899... |
[Surgico-orthodontic recovery of horizontal impacted second and third lower molars (author's transl)]. | In 6 cases of horizontal impacted second molars seen between 1951 and 1961, the authors were able to remove or ensure removal of the gum overlying the crowns of these teeth, to make a small transverse horizontal hole below the mesial neck, and straighten them in an average period of 5 months with the use of an auxiliar... | 281,750 | [
-0.1622235,
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0.2411535,
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0.2551292,
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0.1197428,
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-0.02373565,
0.2992117,
0.1025676,
-0.1289435... |
Acute and protracted effects of vinblastine on odontoblasts and dentinogenesis in rat incisors. | The effects of a large dose of vinblastine sulfate (2 mg/kg body weight) on proliferating odontoblast precursors and secretory odontoblasts in the continuously growing rat incisor were studied. The rats were killed 6 h, 24 h, 3 d and 7 d after vinblastine injection. Most cells in the proliferating zone contained arrest... | 281,753 | [
-0.2600025,
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0.3160658,
0.166401,
0.5661741,
0.4212916,
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0.0... |
Electron microscopy of exfoliated cells of human oral mucosa. | Exfoliated cells of the human buccal mucosa were studied in 35 adults. All cells showed signs of necrosis: condensation of nuclear chromatin, dilated mitochondria with flocculent densities, dilation of endoplasmic reticulum, ribosomes detached from the endoplasmic membranes, aggregates of degenerated organelles in the ... | 281,758 | [
-0.2150552,
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0.235489,
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0.003524149,
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0.3396031,
0.2725925,
0.2629145,
-0.... |
Abrasive wear of filled and unfilled resins in vitro. | The present investigation was initiated to evaluate the wear resistance of filled and unfilled resins which may be suitable for fissure sealing. Two commercial unfilled resins (Adaptic Glaze and Delton), three degrees of diluted composite (Adaptic diluted with Adaptic Bonding Agent) and undiluted composite (Adaptic) we... | 281,761 | [
-0.2602769,
0.2321426,
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0.08352495,
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0.4025776,
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0.2643914,
-0.3126272,
-0.08820483,
-... |
Posterior uveitis and retinal dystrophy. A case report. | A 40-year-old patient with a bilateral posterior uveitis is presented and it is suggested that this may be a reflection of an underlying dystrophy. | 281,774 | [
-0.1650106,
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0.1566986,
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... |
Study of the peripheral blood leucocyte population by Fourier analysis of the cell volume histogram. | The Fourier transformation is proposed as a technique for the description of cell volume histogram data. In order to test the applicability of this transformation, peripheral blood leucocytes were studied as model populations and the technique assessed by determining the extent to which the Fourier coefficients could b... | 281,849 | [
-0.07723955,
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0.1593022,
0.2609208,
0.1789771,
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-0.... |
Chromosome one polymorphism in a girl with the Chediak-Higashi syndrome. | In a girl with the Chediak-Higashi syndrome, a remarkable polymorphism of chromosome number one was identified by G and C banding. The association of the polymorphisms of constitutive heterochromatin with abnormal phenotypes is discussed. It is suggested that further cytogenetic studies might be performed in humans and... | 281,851 | [
-0.05402804,
0.07306588,
0.3124622,
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0.02018903,
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0.05162755,
0.4351679,
0.3142892,
0.01562257,... |
Serial determination of serum ferritin in children with acute lymphoblastic leukemia. Evaluation of its usefulness as a prognostic index. | Thirty children with acute lymphoblastic leukemia were monitored with serial serum ferritin determinations for up to 17 months. In children with acute lymphoblastic leukemia before initiation of therapy, or in relapse, the mean serum ferritin concentration was 636 microgram/l. In children who went into primary remissio... | 281,862 | [
-0.1964875,
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0.05188525,
0.3516905,
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0.3218983,
0.1976682,
0.05820199,
-0.2532951,
... |
The mandibular dental arch: part III. Buccal expansion. | The tendency toward relapse in intercuspid width has been examined with those cases having final intercuspid width less than 27 mm showing significantly less relapse than those cases with final intercuspid width of 28 mm or more. The point of contact between the cuspid and first premolar has been introduced as a key po... | 281,887 | [
-0.4167041,
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0.1628207,
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0.1494217,
0.1205821,
-0.1438009,
... |
Pathogenesis of some traumatic and degenerative disorders of soft tissue. | 1. Trauma to soft tissues is associated with tissue rupture and formation of a haematoma. 2. Such lesions cannot be expected to resolve without complications in the absence of appropriate treatment. 3. Myositis ossificans should be anticipated in lesions of muscles adjacent to their attachments. 4. Chronic tendonitis a... | 281,920 | [
-0.3949073,
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0.1457086,
0.2149747,
0.04208548,
-0.1554573,... |
Significance of genetic factors in Gilles de la Tourette syndrome: a review. | Observations suggesting a genetic basis for Gilles de la Tourette syndrome are reviewed with particular emphasis on the finding of familial aggregation. Studies of both Tourette syndrome and simple tic have found that approximately 30% of patients have a positive family history of tic. The significance of this figure d... | 281,939 | [
0.131608,
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0.1887949,
0.2292315,
0.237855,
0.2134596,
0.122803,
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0.00567... |
Growth of human acute myeloblastic leukemic (aml) cells in vitro. | Human normal and granulocytic leukemic progenitor cells produce colonies and clusters when cultured in the plasma clot system in vitro. The number of colonies formed and their cellular composition was comparable to that reported for the system (soft agar) usually used for these studies. The plasma clot system has the a... | 281,972 | [
0.03035122,
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0.1808867,
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0.01192966,
... |
Peripheral amino acid levels in patients with cancer. | Peripheral arterial and venous whole blood amino acid concentrations were determined in four groups of subjects after an overnight fast 1) normal people, 2) patients with cancer who had not lost body weight, 3) subjects with cancer who had lost more than 20% of body weight and 4) patients who had lost more than 20% of ... | 282,005 | [
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0.2208381,
0.02392593,
0.214888,
-0.0463259... |
Action of parathyroid hormone, with special reference to its anabolic effect on different kinds of tissues in rats (I). | The effect of parathyroid hormone (PTH) on the spongiosa of the proximal tibia and the alveolar bone in immature rats was studied using a time marker by the injection of lead acetate. 1) When intact rats were fed on a low calcium diet, the promotion of the apposition of the alveolar bone and the longitudinal formation ... | 282,018 | [
0.1086402,
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0.... |
Action of parathyroid hormone, with special reference to its anabolic effect on different kinds of tissues in rats (II). | The effect of parathyroid hormone (PTH) on the formation of the incisor in the rats was investigated using a time marker by the injection of lead acetate. 1) When intact immature rats were fed on a low calcium diet, the rate of the longitudinal and appositional formation of the incisal dentin was increased. 2) Both for... | 282,019 | [
0.1673956,
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0.3385624,
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0.... |
Hearing sensitivity of adults with cleft lip and/or palate. | This study is designed to investigate the hearing sensitivity of adults with repaired clefts of the lip and/or palate or congenital velopharyngeal inadequacy (VPI). Hearing sensitivity was analyzed with respect to pure tone air conduction thresholds and the extent of air bone gap. In addition to age, type of cleft and ... | 282,033 | [
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-0.02302126,
-0.0305... |
Is high-molecular-weight-renin binding of renin to the protease inhibitors and lipoproteins? | 1. Two high-molecular-weight forms of renin (molecular weights 800 000 and 70 000) are present in mouse plasma. 2. The 800 000 form could be activated and converted into the fully active 40 000 form, by acid or limited proteolysis. The 70 000 form was activated without change in molecular weight. 3. In addition to its ... | 282,039 | [
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0.01618462,
0.3013919,
0.3005263,
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0.09489876,
-0.2845139,... |
Intrarenal control of urine concentration by angiotensin II. | 1. The intrarenal role of angiotensin II in the recovery of urinary concentration after frusemide was examined in anaesthetized dogs by the intrarenal infusion of angiotensin II antagonists. 2. Renin secretion and renal inner medullary blood flow (tissue clearance of intraparenchymatously injected 133Xenon) were simult... | 282,057 | [
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-0.03551015,
-0.2728229... |
The role of vasopressin in blood pressure control and in experimental hypertension. | 1. The role of vasopressin in blood pressure control and in the pathogenesis of one-kidney Goldblatt hypertension in the conscious dog was investigated. 2. Infusion of synthetic arginine vasopressin to elevate plasma levels approximately five-fold caused bradycardia in normal dogs and increase in mean arterial blood pr... | 282,063 | [
-0.09837756,
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0.1511576,
-0.3570926,... |
Dental caries and fluorosis in Arussi province, Ethiopia. | A dental health survey was carried out in the Arussi province in Ethiopia. The survey comprised 1,700 persons between 6 and 54 years of age in five age groups from four areas of the province. The present paper deals with findings on dental fluorosis and dental caries. Dental fluorosis was found in 18% of the subjects, ... | 282,116 | [
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0.2773948,
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0.... |
[Experiences with active oral hygiene as a preventive treatment in patients with deciduous and mixed dentition]. | The results of a study of active oral hygiene treatment in children between the ages of 4 and 12 was reported. It is absolutely imperative that both the children and the parents be highly motivated to carry out consistant oral hygiene. The basic level of oral hygiene for children can be considerably improved if the chi... | 282,137 | [
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0.03142928,
0.3525625,
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0.003631727,... |
Sister chromatid exchanges and chromosomes in chronic myelogenous leukemia and cancer families. | Spontaneous sister chromatid exchanges and banded karyotypes were studied in blood lymphocytes from 96 individuals: seven patients with chronic myelogenous leukemia, 15 normal controls, and five "cancer families" comprising 12 cancer patients, 40 tumor-free blood relatives and 22 spouses. The families had: malignant me... | 282,271 | [
-0.1348739,
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0.2066762,
0.3080903,
-0.06381063,
-0.08696225,
... |
The nature and nurture of epithelial-mesenchymal interactions during tooth morphogenesis. | Epithelial-mesenchymal interactions during tooth morphogenesis are inductive and instructive developmental processes as well as permissive and regulatory processes. Data is available to support the early influences of enamel organ epithelium upon a responding mesenchyme in the determination of dental morphogenetic fiel... | 282,288 | [
0.1015415,
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0.2961172,
0.2294138,
-0.3015858,
0... |
Tuberculosis of the tongue. | A case of pulmonary tuberculosis of the tongue is reported, and tuberculosis of the upper airway in a VA Hospital is reviewed. A regimen of triple antituberculous drugs, isoniazid, ethambutol, and rifampin, was prescribed. Repeated radiographs of the chest showed considerable improvement of the pulmonary lesions. The l... | 282,346 | [
0.007586369,
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0.04749702,
0.02454212,
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0.1378633,
-0.06440743,
-0.006... |
Fusion of teeth. | Three case reports of fusion are presented. Clinical problems relating to fusion may be unacceptable appearance or alignment of teeth, and periodontal conditions. It is suggested that all succedaneous teeth that are joined or fused together by dentin be referred to as fused teeth because of the frequent difficulty in d... | 282,347 | [
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0.3154033,
0.1500425,
0... |
[Cytotoxicity of some dental cements in a cell culture system (author's transl)]. | Four dental cements of zinc phosphate cement, polycarboxylate cement, zinc oxide-eugenol cement and epoxy resin cement have been tested by means of cell culture method using L strain cell. The cells were cultured with a test piece of the cements in the incubator of 37 degrees C. The test pieces of powder, liquid, un-se... | 282,387 | [
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0.5285575,
0.5436713,
0.2192217,
0.1964108,
0.22652... |
A clinical study of marginal integrity and tarnish behaviour of three Cu-rich amalgam systems. | Three high Cu-gamma2 free amalgams and one conventional amalgam were used in a clinical study to evaluate degree of marginal integrity and surface discoloration occurring for time periods of up to two years. Two hundred and seventy restorations were placed in Class I and II cavities in sixty-two paedodontic patients. A... | 282,417 | [
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0.1258299,
0.4646628,
0.09531541,
0.3330554,
... |
The natural history of periodontal disease in man. The rate of periodontal destruction before 40 years of age. | This longitudinal study of randomly selected Norwegian students and academicians has shown that 50% of the 17-year olds have lost no periodontal support, and the other 50% exhibited slight localized loss of attachment primarily on buccal surfaces of first molars and first bicuspids of both jaws. At 21 all students show... | 282,430 | [
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0.01280489,
0.4903503,
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0.1... |
[Morbus Hodgkin as a second malignancy in acute lymphoblastic leukaemia (author's transl)]. | 19 months after the clinical manifestation of acute lymphoblastic leukaemia, Hodgkin's disease, stage Ia, of the cervical lymphnodes developed in a 10 year old girl during continuous complete remission of leukaemia under chemotherapy. After a regional irradiation and after completing the antileukamic therapy the patien... | 282,452 | [
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0.07417426,
0.7022791,
0.03192069,
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... |
Oral mucosal white lesions associated with excessive use of Listerine mouthwash. Report of two cases. | Two patients were observed to have asymptomatic, diffuse, filmy white lesions involving large portions of the oral mucosa. Both patients admitted to the topical use of Listerine mouthwash in excess of recommended doses. Other considerations in the differential diagnosis were eliminated by history. The lesions showed co... | 282,543 | [
-0.2592834,
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0.01264766,
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Dens evaginatus (tuberculated cusps): genetic and treatment considerations. | This report documents the occurrence of a rare dental anomaly, dens evaginatus, in several members of a family of Guatemalan Indian descent. Previous reports on this anomaly reveal that the majority of cases have occurred in persons of Mongoloid extraction. These same reports have suggested a genetic component in the e... | 282,548 | [
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... |
Median rhomboid glossitis caused by Candida? | The etiology and pathogenesis of median rhomboid glossitis have been subjects of controversial discussions for a long time. In recent years, the possible role of Candida albicans has been stressed. The findings in 18 patients with median rhomboid glossitis only support partly the hypothesis of Candida albicans being an... | 282,562 | [
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0.3010266,
0.3166167,
... |
A study of the quality of duplicated radiographs. | The resolution, contrast, and clinical appearance of radiographs and duplicate radiographs made with two types of duplicating film were compared. Duplicating conditions evaluated were type and shape of light, light-film distance, type of exposure surface, and developer temperature. Major observations were as follows: b... | 282,572 | [
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0.3480262,
0.02384041,
-0.1999659... |
Chemical synthesis of genes for human insulin. | A rapid chemical procedure has been developed and used for the synthesis of 29 oligodeoxyribonucleotides to build synthetic genes for human insulin. The gene for insulin B chain, 104 base pairs, and the one for A chain, 77 base pairs, were designed from the amino acid sequence of human polypeptides. They bear single-st... | 282,602 | [
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0.2349047,
0.412336,
0.143733,
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-0.121... |
Interferon action: two distinct pathways for inhibition of protein synthesis by double-stranded RNA. | Double-stranded RNA inhibits protein synthesis in at least two ways. It activates a protein kinase that blocks peptide chain initiation by phosphorylating the peptide chain initiation factor eIF-2 and also activates an endonuclease that inactivates different mRNAs at different rates. The protein kinase and the endonucl... | 282,611 | [
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0.1970881,
0.3400103,
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-0.3001059... |
The duplicated human alpha globin genes lie close together in cellular DNA. | The organization of alpha globin genes in normal human DNA was examined by restriction endonuclease mapping, alpha globin-specific fragments in endonuclease digests of total cell DNA were identified after electrophoresis by hybridization with [32P]cDNA following the blotting procedure of Southern [(1975) J. Mol. Biol. ... | 282,616 | [
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0... |
Translation of mRNA from calf thymus in the wheat germ system: evidence for a precursor of thymosin alpha1. | When translated in the wheat germ system, mRNA from fresh calf thymus stimulates incorporation of radioactive amino acids into an acid-insoluble product, and 10--20% of the total radioactivity incorporated is precipitated with antisera to active thymosin fractions. In sodium dodecyl sulfate disc gel electrophoresis, ra... | 282,621 | [
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Autosomal locus regulates inverse relationship between sialic acid content and capacity of mouse erythrocytes to activate human alternative complement pathway. | The observation that mouse erythrocytes (E(m)) from 21 inbred strains had variable capabilities to activate the human alternative complement pathway permitted the demonstration that membrane sialic acid content was inversely related to activating capacity and was regulated by codominant alleles of a single autosomal lo... | 282,625 | [
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0.2089997,
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0.07686061,
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Control of DNA synthesis in growing BALB/c 3T3 mouse cells by a fibroblast growth regulatory factor. | A cell surface component from quiescent BALB/c 3T3 mouse cells that inhibits DNA synthesis and cell division when added to a culture of growing 3T3 cells has been detected. The inhibition of DNA synthesis by this factor was dependent on concentration and time of incubation; a transient exposure of cells to the factor f... | 282,629 | [
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0.09750769,
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Normal blood cells of anemic genotype in teratocarcinoma-derived mosaic mice. | In allophenic (mosaic) mice produced from blastocysts injected with teratocarcinoma stem cells of the OTT 6050 transplant line, an unexpected coat phenotype led to the discovery that the tumor-lineage cells carried the steel gene (Sl(J)/+). Because steel also causes a macrocytic anemia, mosaics comprising both genetica... | 282,641 | [
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0.09441389,
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Cell-free ring expansion of penicillin N to deacetoxycephalosporin C by Cephalosporium acremonium CW-19 and its mutants. | To examine microbiological ring expansion of penicillin N to a cephalosporin, we obtained five mutants of Cephalosporium acremonium blocked in beta-lactam antibiotic biosynthesis from 2500 survivors of mutagenesis. In submerged fermentation, mutants M-0198, M-0199, and M-2351 produced no beta-lactam antibiotic (type A)... | 282,643 | [
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... |
Localization of cholecystokinin-like immunoreactivity in isolated nerve terminals. | Subcellular fractionation of the rat cerebral cortex demonstrated the presence of immunoreactive cholecystokinin in the pellet identified by electron microscopy as containing a high proportion of synaptic vesicles. The recovery in this pellet of 40% of the total immunoreactivity in the initial cortical extract is quite... | 282,649 | [
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0.1609004,
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Platelet volume, density and 5 HT organelles (mepacrine test) in acute leukaemia. | Qualitative platelet parameters (volume, 5 hydroxy-tryptamine (5 HT) organelles studied by the mepacrine test, and density) were evaluated in 31 patients with acute leukaemia: 11 myelomonocytic (AML), 8 lymphoblastic (ALL), 12 granulocytic (AGL). Macrothrombocytosis was observed in most of the cases of AML, was rare in... | 282,662 | [
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0.3281267,
... |
[Acceptable compromises for the incisor positions with standard points AS and BS]. | The cephalometric points A and B after Downs are criticized and on the angle ANB their selective replacement by "standard-AS and BS points along with the angles ASNB and ASNBS is suggested. With 55 ideal cases of the permanent dentition it was proven by the t-test that the mean values of the latter angles vary only ver... | 282,672 | [
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0.2484016,
0.1589196,
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... |
[Fissure sealing with Evicrol in animal experiments]. | The preventive effect of fissure sealing with the composite material Evicrol was tested in a programmed standardized caries experiment on Wistar rats. The results obtained indicate that Evicrol is not suited for fissure sealing. | 282,686 | [
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... |
[Personal method for the surgical treatment of recessed gingiva]. | The authors report their experience with a personal technique for the surgical treatment of gingival recessions. Their experience is based on operations upon 35 teeth. To avoid recurrences, the authors perform, on principle, the necessary vestibuloplasty, covering the wound surface with a full-thickness skin graft take... | 282,698 | [
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... |
Tissue culture of cells in serous effusions. Evaluation as an adjunct to cytology. | Cell pellets from peritoneal, pleural and pericardial effusions from thirty-six patients were incubated in tissue culture medium. Both the culture supernatants and the cell monolayers in the flasks were examined for malignant cells. Of the ten cases diagnosed as positive for malignant cells by the conventional cytologi... | 282,748 | [
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The pharmacokinetic profile of oxazepam. | Oxazepam has the shortest half life of the benzodiazepines and does not form any active metabolites. Its pharmacokinetic properties in healthy volunteers, uremic patients and dogs are reviewed. In normal man half lives between 6 and 25 hours are obtained. The drug is completely absorbed and steady state concentrations ... | 282,777 | [
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0.4326313,
0.09145978,... |
The prognostic value of the HV interval in patients with acute myocardial infarction and bundle branch block. | HV intervals were measured in 42 of 119 patients in the acute phase of myocardial infarction associated with bundle branch block (BBB). The mean HV intervals of patients with right, left and incomplete bilateral BBB were similar. The hospital and subsequent mortality of patients with prolonged HV intervals did not diff... | 282,849 | [
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0... |
Thromboembolic complications of mitral valve disease. | Five hundred and eighty-eight patients with mitral valve disease were studied. The incidence of systemic emboli was found to be higher in patients with pure mitral stenosis (16.6%) and mixed mitral stenosis and incompetence (19.4%) than in patients with mitral incompetence (3.1%). The patients with mitral stenosis who ... | 282,850 | [
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0.... |
Membranous glomerulonephritis associated with sarcoidosis. | Two patients with sarcoidosis involving pulmonary hilar lymph nodes developed the nephrotic syndrome. Renal biopsy in both cases showed membranous glomerulonephritis. In one patient, there was an associated renal vein thrombosis. | 282,857 | [
0.07129755,
0.1064669,
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Effect of early splenectomy and cyclic acute leukemia-like chemotherapy on the course of chronic myeloid leukemia. | This report provides information on the progress of two trials by the Italian Cooperative Study on Chronic Myeloid Leukemia (CML). Both trials were designed in order to test the effect of early splenectomy and of cyclic administration of either arabinosyl cytosine and vincristine plus prednisone, or arabinosyl cytosine... | 282,906 | [
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0.3203535,
0.24597,
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Validation of data on demand and need for dental treatment in an elderly population. | The present paper intended (1) to validate some key variables employed in a survey of a representative sample of 241 persons aged 65-79 in Troms in Northern Norway, and (2) to discuss aspects of social policy related to dental programs for pensioners. The participants were asked questions focused on potential demand fo... | 282,950 | [
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0.5712215,
0.3516726,
0.07183471,... |
[Aging in human gingival fibroblasts in cell culture. A contribution to the understanding of proliferating inflammations]. | Proliferation of gingival fibroblasts was studied in cell cultures under controlled conditions. Biopsies taken from 12 patients of different ages were analyzed in regard to the length of the generation cycle and the ability to produce subcultures. Cultures from elderly individuals showed progressive, longer generation... | 282,985 | [
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-0.1915134,
... |
[Comparative clinical and photogrammetric studies on the marginal periodontium after the use of dentifrices]. | A suggestion was made for testing the therapeutic effect of certain substances on gingival inflammation. Gingivitis was induced in 60 subjects by discontinuing of all forms of oral hygiene. Three tooth pastes, one of which was a placebo, were used for the study. Regression of the inflammation was determined with the pe... | 283,002 | [
-0.002240097,
0.1759029,
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0.07607915,
0.08732085,
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0.08326671,
-0.1642425,
-0.144422,
0.1066259,
0.1781873,
0.0888982,
-0.4479257,
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-0.3931914,
0.2510698,
-0.1641827,
0.4528143,
0.2283191,
-0.007663844,
-0.06340637... |
[The problem of standards for composites]. | The bending strenght to the breakage point was determined for five different composites. The testing instrument was set up in accordance with standard specifications under application of pressure. It could be established that the bending strength to the breakage point depends on the intensity and duration of the force.... | 283,003 | [
-0.2903134,
0.2084273,
0.06683094,
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0.03263389,
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0.270528,
0.3275623,
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0.03556084,
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0.1106182,
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0.6307756,
0.6075931,
0.03462587,
0.01249363,
... |
Oral tissue and irradiation therapy. | For patients with certain oral and nasopharyngeal tumors irradiation therapy, alone or combined with surgical procedures, can be a life-saving treatment. The professionals involved should be aware of the clinical and histological changes brought about by the therapy so that they may better assist the patient at this di... | 283,059 | [
-0.1380199,
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0.1003706,
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0.1208654,
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-0.2258239,
0.2524917,
0.2993276,
0.1410592,
-0.1993143,
0.2... |
Burkitt's lymphoma in Israel. | A case is described of Burkitt's lymphoma in a nine-year-old Arab boy. The presenting symptom was swelling of the right maxilla, originally diagnosed as a dento-alveolar abscess. The clinical features of African and American Burkitt's lymphoma are compared, and the occurrence of the tumor mainly in the Arab population ... | 283,064 | [
-0.1030792,
-0.2258907,
-0.1043631,
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0.1490628,
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0.3275673,
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0.01812484,
0.01298459,
-0.2455555,
0.2135777,
-0.02631582,
-0.09372... |
Action of 5-bromodeoxyuridine on tooth germs "in vitro". II. - Effects on collagen synthesis. | The first lower molar tooth germs removed from 16-day-old mouse embryos were cultured for 2 days on a standard medium and then for 24 hours on the same medium containing BrdU (treated tooth germs) or not (controls). We attempted to study the effects of 5-Bromodeoxyuridine on the type I and type III collagen synthesis 2... | 283,069 | [
-0.1096871,
0.3148489,
-0.4845532,
-0.04362993,
0.4287255,
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0.0302606,
0.07732321,
0.1158968,
-0.02638606,
-0.2726323,
0.3959833,
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0.005516688,
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0.04083752,
0.2091397,
-0.4765048,
0.2862546,
0.6073925,
0.3051235,
-0.03646062,
... |
Ameloblast differentiation: protein synthesis and secretion in fetal New Zealand white rabbit molar tooth organs and isolated epithelia "in vitro". | We have attempted in this preliminary communication to determine the kinetic behaviour pf intracellular and extracellular forms of secretory ameloblast proteins. Our experimental strategy assumes several intracellular forms of enamel proteins: preproenamel leads to proenamel leads to enamel protein (1) leads to enamel ... | 283,070 | [
-0.2847259,
-0.2408267,
-0.2844239,
-0.1579729,
-0.05481938,
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0.2703325,
0.1739922,
-0.03032973,
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0.289337,
0.4303769,
-0.1776924,
-0.01537244,
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-0.2010649,
-0.1672301,
-0.06459263,
-0.01158936,
0.3967341,
0.01929018,
-0.190716... |
On the potential of the adult rat incisor odontogenic organ to differentiate into two intact teeth. | The odontogenic organ of 10 male albino rats weighing 200 g has been exposed by a longitudinal incision through the masseter muscle. Its site could be identified as a bluish elevation of the mandible. Into this region through the bone, a 2 X 2 mm. tinfoil has been inserted, deep into the odontogenic organ. The tinfoil ... | 283,072 | [
0.08463407,
-0.1351087,
-0.1895334,
-0.05208633,
0.1759229,
-0.5992474,
-0.3398474,
0.2179517,
0.2454923,
0.1345095,
-0.09327668,
0.01439059,
0.4728917,
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-0.3193002,
-0.2879008,
-0.4736686,
-0.08216212,
0.2571454,
0.1562302,
-0.2687943,... |
Characterization of calculus matrix calcification nucleator. | The nucleator of dental calculus matrix calcification, in vitro, was analyzed. Attention focused on proteolipid singularity, amino acid composition and related polarity, and phospholipid components. The data were compared to those of the nucleator of Bacterionema matruchotii calcification. | 283,092 | [
-0.02881748,
0.2260359,
0.05107595,
0.1483907,
-0.4315349,
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-0.248379,
0.1381789,
0.4151754,
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0.05359124,
0.03785815,
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-0.3544956,
-0.06338609,
-0.1275147,
-0.1364081,
0.5454448,
-0.2006966,
0.3770444,
... |
Ameloblasts: secretory and resorptive functions. | The sequence of steps which an ameloblast passes through in forming enamel appears remarkably similar in amphibian and man. Despite considerable improvements in understanding the early events in the life cycle that lead to the intracellular synthesis and secretion of enamel matrix by the cell, little is known about the... | 283,112 | [
-0.2986358,
-0.1838796,
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-0.1558445,
-0.1578058,
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0.2038175,
0.2359353,
0.1313909,
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0.01864828,
-0.1230884,
-0.1898873,
-0.5612018,
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-0.2640293,
-0.02813611,
-0.09319933,
-0.2395604,
0.5907705,
-0.0490491,
-0.1780031,... |
Enamel matrix: structural proteins. | Cell-free, fetal bovine enamel tissue was examined intact by high resolution. 13C Fourier transform, nuclear magnetic resonance spectroscopy. Two types of protein chains were observed under these conditions, one exhibiting rapid mobility and accounting for approximately two-thirds of the enamel matrix, while the other ... | 283,118 | [
-0.3781758,
-0.02468954,
-0.1966681,
0.255863,
0.05602425,
-0.2492936,
0.08288024,
0.2271328,
0.3273104,
0.2116153,
-0.1677371,
0.08852183,
-0.04485347,
-0.314134,
-0.2147925,
-0.02408068,
-0.4081057,
-0.08501185,
-0.256799,
-0.001605923,
0.2697339,
-0.09508703,
-0.199104... |
Ultrastructural studies of synthetic apatite crystals. | In this paper a survey is given of some ultrastructural properties of synthetic hydroxyapatite. The preparation method by which single crystals with a length in the range of 0.1-3.0mm and a defined purity and stoïchiometry can be produced is given. Two groups of materials are considered in detail: carbonate-rich (great... | 283,125 | [
-0.3596702,
0.1609845,
-0.1137527,
0.1831072,
-0.07907477,
-0.2272188,
-0.1289069,
0.1264606,
0.2366706,
0.08600448,
-0.03584385,
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0.02510177,
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-0.1584635,
-0.03507957,
-0.2103632,
0.3204682,
0.5686164,
0.3736837,
0.1373692,
... |
Carcinoma of the lung metastatic to the gingiva: review of the literature and report of case. | A rare case of metastasis to the gingiva from carcinoma of the lung has been presented. From the review of the literature, only ten other cases have met the criteria to be considered as metastatic malignancy to the gingiva. | 283,197 | [
-0.1926218,
-0.2100424,
-0.1318092,
-0.2900062,
-0.1043682,
-0.2123032,
-0.3653762,
-0.1251882,
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0.1000684,
0.1166095,
0.3216372,
0.005562469,
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-0.4053117,
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-0.1773846,
0.09619556,
0.2023139,
-0.08690809,
0.07815681,
0.1740168,
-0.04498108,... |
Polyostotic fibrous dysplasia involving the maxilla and mandible: report of case. | The case presented here represents an aggressive form of polyostotic fibrous dysplasia. Because of lack of evidence to substantiate precocious puberty and abnormal pigmentation, Albright syndrome cannot be established. Because of the nature of this disease, its clinical course and prognosis are unpredictable. However, ... | 283,202 | [
-0.318601,
-0.1470471,
-0.004036651,
-0.2922821,
0.09520929,
-0.3257659,
-0.2195108,
0.04261577,
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-0.06930542,
0.3340474,
0.08460579,
-0.2376795,
-0.2232372,
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-0.1111202,
-0.2597621,
0.2079346,
0.1580124,
-0.05824058,
0.4107901,
-0.2333889,
-0.134454... |
Actinomycosis of the tongue: report of case. | A brief review of the pathogenesis of actinomycotic infections, including cause, frequency, distribution, and symptoms has been presented. A relatively rare occurrence of actinomycosis in the tongue was reported to serve as an illustration of the diagnostic and therapeutic considerations pertinent to this disease. | 283,204 | [
-0.2832684,
-0.3551741,
0.0323884,
-0.01385026,
0.06787246,
0.01863365,
-0.4104118,
-0.1049973,
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-0.2155961,
0.2566635,
0.01371447,
0.01051396,
0.1006223,
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-0.2092126,
0.08001391,
0.04906675,
-0.2065472,
0.3401329,
0.3144604,
-0.00495528... |
Use of microcrystalline collagen for hemostasis after oral surgery in a hemophiliac. | A microcystalline collagen hemostat effected rapid hemostasis in dental extractions for a hemophilic patient with a significant level of inhibitor where preoperative transfusion of deficient factor was contraindicated. It appears that MCH can be used safely and effectively for a variety of oral procedures. In addition ... | 283,205 | [
-0.1615241,
0.04301387,
-0.1099097,
-0.3632395,
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0.08626307,
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0.07373493,
0.003580035,
0.06998777,
0.3669711,
-0.1004042,
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-0.2034861,
-0.1095551,
-0.3397226,
-0.06768984,
0.2796615,
-0.1080358,
-0.005586... |
Vascular injury and penetrating facial trauma. | Three patients with gunshot wounds to facial and vascular structures were described. They demonstrate the importance of angiography in the acute care phases of treatment. In one case, angiography lead to eventual surgical management of an arteriovenous fistula. The other two cases described arterial injury that require... | 283,219 | [
-0.3557782,
-0.0321839,
-0.5649115,
-0.3824939,
0.1696202,
-0.07458755,
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-0.06440254,
0.120208,
0.1725971,
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-0.4359581,
-0.3683361,
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0.009717399,
0.2564273,
0.1582604,
-0.1281355,
0.197437,
-0.1853387,
-0.1322885,
... |
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