abstract：:We report here a clinico-statistical study of congenital absence of the permanent canines (CAPC). Sixty-five cases (22 men and 43 women) of CAPC were found in the files of 35,927 outpatients, an incidence of 0.18%. Thirty-seven cases had single absence of the canine and 28 cases had multiple absences. There were 42 ca...

journal_title：Journal of oral science

authors： Fukuta Y,Totsuka M,Takeda Y,Yamamoto H

更新日期：2004-12-01 00:00:00

abstract：:Progressive chromosome 21 loss in individuals with trisomy 21 or Down syndrome (DS) is supposedly related to their premature senescence. In addition, the telomere hypothesis of cellular aging involving telomere shortening in normal and accelerated aging in vivo and in vitro is well documented. This study investigated ...

journal_title：Journal of oral science

authors： de Arruda Cardoso Smith M,Borsatto-Galera B,Feller RI,Gonçalves A,Oyama RS,Segato R,Chen E,Carvalheira GM,Filho AS,Burbano RR,Payão SL

更新日期：2004-09-01 00:00:00

abstract：:The effect of therapeutic agents on trabecular bone loss in the mandible was investigated in ovariectomized rats. Eighty-seven Wistar SPF female rats were ovariectomized (OVX) or given a sham operation (Sham), and maintained on a diet containing 0.1% calcium. Four weeks later, groups of OVX rats were treated with estr...

journal_title：Journal of oral science

authors： Jiang G,Matsumoto H,Yamane J,Kuboyama N,Akimoto Y,Fujii A

更新日期：2004-06-01 00:00:00

abstract：:Gingival epithelial cells and fibroblasts play important roles and have a harmonious relationship under normal and disease conditions, but the precise differences between theses cells remain unknown. To study the differences in gene expression between human gingival epithelial cells (HGE) and human gingival fibroblast...

journal_title：Journal of oral science

authors： Abiko Y,Hiratsuka K,Kiyama-Kishikawa M,Tsushima K,Ohta M,Sasahara H

更新日期：2004-03-01 00:00:00

abstract：:The exact cause of the formation of sialoliths is unknown. Detailed knowledge of the pathogenesis of sialolithiasis is necessary to define new therapeutic procedures. The possible presence of a sphincter system in Wharton's duct has been described frequently in the context of diagnostic sialendoscopy. Serial histologi...

journal_title：Journal of oral science

authors： Teymoortash A,Ramaswamy A,Werner JA

更新日期：2003-12-01 00:00:00

abstract：:The aim of this randomised, parallel, double-blind study, in which 28 adult patients diagnosed with chronic gingivitis or early stages of chronic periodontitis were recruited, was to evaluate the efficacy of 'Gamadent' toothpaste compared to a placebo toothpaste. 'Gamadent' toothpaste has all the basic constituents of...

journal_title：Journal of oral science

authors： Taiyeb-Ali TB,Zainuddin SL,Swaminathan D,Yaacob H

更新日期：2003-09-01 00:00:00

abstract：:Dopamine receptor function in spontaneously hypertensive rats (SHR) and in control progenitor Wistar-Kyoto (WKY) rats was assessed from their dopamine D1-like/D2-like receptor-mediated jaw movements and dopamine release from the nucleus accumbens and from the ventrolateral striatum measured by an in vivo microdialysis...

journal_title：Journal of oral science

authors： Fujita S,Okutsu H,Yamaguchi H,Nakamura S,Adachi K,Saigusa T,Koshikawa N

更新日期：2003-06-01 00:00:00

abstract：:This pilot study evaluated, by culture testing, the effectiveness of lethal photosensitization for the microbiological treatment of peri-implantitis in dogs. Experimental peri-implantitis was induced by ligature placement for 2 months. Following ligature removal, plaque control was instituted by scrubbing with 0.12% c...

journal_title：Journal of oral science

authors： Shibli JA,Martins MC,Theodoro LH,Lotufo RF,Garcia VG,Marcantonio EJ

更新日期：2003-03-01 00:00:00

abstract：:Submentovertex cephalometric analysis was used to assess the mandibular symmetry of 20 patients with Class II subdivision malocclusion and 20 controls with Class I occlusions. Using the intercondylar line and the intercondylar axis, the relative differences were measured between mandibular landmarks in both anteropost...

journal_title：Journal of oral science

authors： Sabah ME

更新日期：2002-12-01 00:00:00

abstract：:In the treatment of diabetes-induced pathologies, beneficial results have been obtained with administration of antioxidants. Selenium is an antioxidant and essential trace element in living organisms. The aim of this study was to investigate the possible effects of selenium on the structural alterations of the mandibl...

journal_title：Journal of oral science

authors： Delilbasi C,Demiralp S,Turan B

更新日期：2002-06-01 00:00:00

abstract：:A rare case of primary intraosseous carcinoma (PIOC) arising from an odontogenic cyst in a 58-year-old man is reported. Clinical and radiological examinations revealed an odontogenic cyst of the maxilla. Histopathologically, the lesion was composed of a cyst with a parakeratotic epithelial lining and well-differentiat...

journal_title：Journal of oral science

authors： Saito T,Okada H,Akimoto Y,Yamamoto H

更新日期：2002-03-01 00:00:00

abstract：:In this study, the effect of different root canal sealers on 1%, and 2% methylene blue (MB) solutions and India ink were analyzed using spectrophotometry. One hundred and twelve specimens were used in this study. One hundred and five plastic tubes were filled with Sealapex, Endomethasone, Sultan, AH Plus or Ketac Endo...

journal_title：Journal of oral science

authors： Oztan MD,Ozgey E,Zaimoglu L,Erk N

更新日期：2001-12-01 00:00:00

abstract：:The aim of this in vitro study was to compare the color stability of commercially available porcelain, reinforced acrylic, and conventional acrylic denture teeth materials used in removable prostheses. Two brands of porcelain (Unilux-Enta Lactona-Holland and Vivoperl-Ivoclar-Liechtenstein), 2 brands of reinforced acry...

journal_title：Journal of oral science

authors： Mutlu-Sagesen L,Ergün G,Ozkan Y,Bek B

更新日期：2001-09-01 00:00:00

abstract：:We analysed the concentration of radioactive cesium in dried Lentinula edodes (Shiitake) produced in Japan, and evaluated its use as an indicator of radioactive contamination. We collected Lentinula edodes (Shiitake) mushrooms grown on wood in 38 prefectures from north to south, and measured 137Cs, 134Cs and 40K conce...

journal_title：Journal of oral science

authors： Shimizu M,Anzai I

更新日期：2001-06-01 00:00:00

abstract：:Porphyromonas gingivalis, a gram-negative anaerobe, is one of the major causative agents of periodontal disease. In this study, the effects of chlorhexidine digluconate and hydrogen peroxide on the hemin binding of P. gingivalis and coaggregation of this bacterium with oral streptococci were examined. The pretreatment...

journal_title：Journal of oral science

authors： Lee SY

更新日期：2001-03-01 00:00:00

abstract：:It is reported in the European and American literature that salivary duct cysts constitute about 10% of all cysts of the salivary glands, although they appear to be rare in Japan. Between 1975 and 1999, only 3 (0.5%) of 586 salivary gland cysts were diagnosed as salivary duct cysts at the Division of Clinical Patholog...

journal_title：Journal of oral science

authors： Takeda Y,Yamamoto H

更新日期：2001-03-01 00:00:00

abstract：:The accumulation of mitochondrial DNA mutation is an important contributor to the aging process. Polymerase chain reaction (PCR) amplification was carried out on total DNA from gingival tissues of human subjects with ages of 19 to 64 years, and 5.0-kb and 7.4-kb deletions were found in the mitochondrial genomes of the...

journal_title：Journal of oral science

authors： Sugano N,Kawamoto K,Numazaki H,Murai S,Ito K

更新日期：2000-12-01 00:00:00

abstract：:This report describes an adult case of cellular hemangioma arising in the lower lip. A 39-year-old healthy woman presented with a polypoid mass of 4 months duration. The tumor imparted little color to the overlying mucosa and was misdiagnosed as a mucous granuloma preoperatively. The lobular proliferation of plump end...

journal_title：Journal of oral science

authors： Shimoyama T,Horie N,Kato T,Kaneko T,Ide F

更新日期：2000-09-01 00:00:00

abstract：:Cannulation procedures have shown that alpha-amylase is produced primarily by the parotid gland, whereas lysozyme is produced mainly by the submandibular and sublingual glands. In this study, the ratio of lysozyme to alpha-amylase was determined in whole human saliva following challenge with various gustatory and mech...

journal_title：Journal of oral science

authors： Noble RE

更新日期：2000-06-01 00:00:00

abstract：:One of the objectives of this short communication was to add to the literature on the prevalence of oral recurrent aphthous stomatitis (ORAS). This research is based on a total of 11,697 randomly selected Malaysian subjects with an age range of 25-115 years and a mean age of 44.5 +/- 13.9 years who were examined for o...

journal_title：Journal of oral science

authors： Zain RB

更新日期：2000-03-01 00:00:00

abstract：:Accurate diagnosis and exact treatment planning are very important for successful implant treatment. Pretreatment examination and simulations using CT can be especially effective information sources, and diagnosis by CT imaging before treatment substantially enhances the security and safety of the treatment plan. New ...

journal_title：Journal of oral science

authors： Hagiwara Y,Koizumi M,Igarashi T

更新日期：1999-12-01 00:00:00

abstract：:When patients seeking treatment for malocclusion also suffer from temporomandibular joint (TMJ) disorders, it is hard to predict the result of simultaneous treatment of both conditions, or to plan for its different goals, because of unpredictable changes in the relationship between the disk, the fossa and the condylar...

journal_title：Journal of oral science

authors： Hori M,Okaue M,Hasegawa M,Harada D,Kamogawa D,Matsumoto M,Tanaka H

更新日期：1999-09-01 00:00:00

abstract：:This study aimed to determine the effect of xylitol on the development and remineralization of caries in vitro, and to compare this effect with that of fluoride alone and in combination. Two experiments were devised. In experiment 1, bovine incisors were each sectioned into 4 portions which were randomly assigned to 4...

journal_title：Journal of oral science

authors： Amaechi BT,Higham SM,Edgar WM

更新日期：1999-06-01 00:00:00

abstract：:The use of fine needle aspiration biopsy (FNAB) in the diagnosis of many lesions in different parts of the body is quite widespread, while it has been used for oral lesions only very recently. This technique has many advantages including ease of use, cost effectiveness, convenience and accuracy. The present study, inv...

journal_title：Journal of oral science

authors： Alatli C,Gürkan B,Koçak H,Ozveren A,Dölek S

更新日期：1999-03-01 00:00:00

abstract：:The effects of propofol, a hydrophobic intravenous anaesthetic, and fentanyl, an opiate analgesic, on extracellular concentrations of gamma-aminobutyric acid (GABA) in the nucleus accumbens of rats were studied using in vivo brain microdialysis. The concentrations of GABA in the microdialysate of the nucleus accumbens...

journal_title：Journal of oral science

authors： Hirose N,Yoshida Y,Koide S,Takada K,Saigusa T,Koshikawa N

更新日期：1998-12-01 00:00:00

abstract：:The aims of this study were to investigate gender differences in frontal sinus morphology and to estimate differences between Fijian and Western Samoan populations. Cephalograms of 118 Fijians (59 male, 59 female), 80 W. Samoans (33 male, 47 female) and 89 Japanese (60 male, 29 female) were used in this study. The thi...

journal_title：Journal of oral science

authors： Kawamura A,Kasai K,Aboshi H,Matsuno M,Kanazawa E

更新日期：1998-03-01 00:00:00