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[Dental radiographic survey of rapidly progressive periodontitis]. 快速进行性牙周炎的牙科x线检查。
Ou Daigaku shigakushi Pub Date : 1989-08-01
Y Kamagata, F Narita, Y Kamimura, K Suzuki, M Iida
{"title":"[Dental radiographic survey of rapidly progressive periodontitis].","authors":"Y Kamagata,&nbsp;F Narita,&nbsp;Y Kamimura,&nbsp;K Suzuki,&nbsp;M Iida","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The purpose of this study was to determine the prevalence of rapidly progressive periodontitis (RPP) by radiographic evaluation in patient at the department of conservative dentistry, Ohu University hospital during two years from 1987 to 1988. The survey was conducted on 370 patients. The radiographic evaluation was done by the method of Schei. The results obtained were as follows. 1. The number of RPP patient was eight. The prevalence of RPP in all patients and periodontitis patients were 2.1%, 6.0%, respectively. RPP patients consisted of 4 females and 4 males. 2. The age of RPP patients ranged from 34 to 41 (mean age 37.5) years old. 3. The number of affected and missed teeth ranged from 4 to 19 (mean 12.1), 0 to 23 (mean 8.0), respectively in RPP patients. 4. Severe alveolar bone loss (more than 50%) was observed in the teeth except canine.</p>","PeriodicalId":77585,"journal":{"name":"Ou Daigaku shigakushi","volume":"16 2","pages":"79-83"},"PeriodicalIF":0.0,"publicationDate":"1989-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Dental health measures to psychopathic patients. II. The improvement of toothbrushing habit and its related factors]. 精神病患者的牙齿健康措施。2刷牙习惯的改善及其相关因素[j]。
Ou Daigaku shigakushi Pub Date : 1989-08-01
A Kubota, C Miyazawa, K Sugano, T Shimizu
{"title":"[Dental health measures to psychopathic patients. II. The improvement of toothbrushing habit and its related factors].","authors":"A Kubota,&nbsp;C Miyazawa,&nbsp;K Sugano,&nbsp;T Shimizu","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This study was designed for an oral prophylaxis program to remedy the oral condition of the mentally subnormal patient who required treatment at an open type mental hospital. The subjects consisted of 115 inpatients. The mean age was 45.5 years. The mean number of teeth functioning in mastication was 19.6. In order to improve their oral health they were given guidance and their oral hygiene condition was inspected every month. \"STPI\" was applied to investigate the toothbrush behavior in these patients. After six months, oral condition improved. Relationship between toothbrush behavior and mental illness was analyzed by principle component analysis and rotated by normal valimax method. Four factors were designed as follows. (1) Depressional state; (2) Personality disorders; (3) Hypochondric factor; (4) Manic state. Dental health of chronically mentally ill patients related to suppressive toothbrush behavior. The other hand the findings of this study showed that it was possible to improve their oral health by improving their living condition.</p>","PeriodicalId":77585,"journal":{"name":"Ou Daigaku shigakushi","volume":"16 2","pages":"91-101"},"PeriodicalIF":0.0,"publicationDate":"1989-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13678979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Discriminant analysis concerning the background factors of dental caries prevalence in young child-patients visiting the pedodontic clinic of Ohu University Dental Hospital]. 欧湖大学齿科医院儿童门诊患儿龋患病率背景因素判别分析
Ou Daigaku shigakushi Pub Date : 1989-08-01
T Saito, K Shimamura, S Sasaki
{"title":"[Discriminant analysis concerning the background factors of dental caries prevalence in young child-patients visiting the pedodontic clinic of Ohu University Dental Hospital].","authors":"T Saito,&nbsp;K Shimamura,&nbsp;S Sasaki","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In order to get the appropriate clinical information for dental caries prevention, 38 boys and 30 girls who visited the pedodontic clinic of Ohu University Dental Hospital were surveyed for 3 years, they ranged from 2 to 5 years of age. They had all deciduous teeth and were classified into 4 groups, desirable, light, moderate and severe, on the basis of the longitudinal changes of the dental caries attack patterns, after 1 year and 3 years, which is used at the dental health examination of 3-year old children in Japan. The relationships between the groups and the investigations from documents of their past history, health and usual condition of living at their first visit to the hospital were analysed by means of discriminant analysis of the first class of Hayashi's quantifying theory. The results were as follows: 1. O caries attack patterns at 2 years of age transmitted to all caries attack patterns except B patterns at 3 years, and O caries attack patterns at 3 and 4 years never transmitted to C patterns at 5 years. 2. The desirable group having no change in the caries attack patterns was 64.7%, at 2 to 3 years, but was 25.1% and decreased markedly at 2 to 5 years. The severe group transmitting to C caries attack patterns was 17.7% at 2 to 3 years, but was 42.6% and increased remarkably at 2 to 5 years.(ABSTRACT TRUNCATED AT 250 WORDS)</p>","PeriodicalId":77585,"journal":{"name":"Ou Daigaku shigakushi","volume":"16 2","pages":"84-90"},"PeriodicalIF":0.0,"publicationDate":"1989-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Jaw and perioral reflexes elicited by tooth tapping in the cat]. [猫的牙齿敲击引起的下巴和口周反射]。
Ou Daigaku shigakushi Pub Date : 1989-08-01
Y Munakata, M Tsuji, S Kasai
{"title":"[Jaw and perioral reflexes elicited by tooth tapping in the cat].","authors":"Y Munakata,&nbsp;M Tsuji,&nbsp;S Kasai","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The reflex responses elicited by tapping the maxillary canine were studied in 12 adult cats anesthetized with alpha-chloralose. Short (4-8 msec) and long (14-22 msec) latency responses were recorded from both efferent nerves innervating a digastric muscle and an inferior portion of perioral muscles. These two responses were also observed from a single fiber teased from the efferent nerve as two successive groups of spike discharges. The long-latency responses from the digastric and the perioral muscle were both elicited by a light tooth tapping and disappeared at about the same time following infiltration of local anesthetic over the tap-stimulated tooth root or following inhalation of ether narcosis. The long-latency responses from the above muscles may be, therefore, elicited by the same sensory information of the periodontal afferent, and have a common reflex center.</p>","PeriodicalId":77585,"journal":{"name":"Ou Daigaku shigakushi","volume":"16 2","pages":"102-9"},"PeriodicalIF":0.0,"publicationDate":"1989-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Pathophysiological analysis of rapidly progressive periodontitis]. 快速进行性牙周炎的病理生理分析。
Ou Daigaku shigakushi Pub Date : 1989-04-01
Y Kamagata, H Yazawa, K Saito, K Suzuki, M Iida
{"title":"[Pathophysiological analysis of rapidly progressive periodontitis].","authors":"Y Kamagata,&nbsp;H Yazawa,&nbsp;K Saito,&nbsp;K Suzuki,&nbsp;M Iida","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Pathophysiological features were studied on 7 patients with rapidly progressive periodontitis but without any evidence of systemic disease, to analyse the clinical pathogenesis. The patients consisted of 5 females, 2 males, between the ages of 32 and 42 years. All patients had severe and rapid alveolar bone destruction on the basis of radiographic measurement. Abnormal serum levels of IgG and IgM were detected in some patients. Higher IgG level was found in 4 patients and higher IgM level was found in 2 patients. The proportion of lymphocyte subsets was calculated in mononuclear cells from peripheral blood of patients. Higher OKT4/OKT8 ratio was found in all patients. The percentage of OKT4 positive cells in 2 patients was higher than that in normal subjects while the percentage of OKT8 positive cells in 4 patients was lower than that in the healthy controls. Microorganisms from periodontal pockets were examined in 5 patients. Bacteriodes was isolated in all 5 patients and Haemophilus actinomycetemcomitans in 2 patients.</p>","PeriodicalId":77585,"journal":{"name":"Ou Daigaku shigakushi","volume":"16 1","pages":"7-12"},"PeriodicalIF":0.0,"publicationDate":"1989-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13719834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Scanning electron microscopic observation on odontogenic keratocysts]. 牙源性角化囊肿的扫描电镜观察。
Ou Daigaku shigakushi Pub Date : 1989-04-01
T Yoshida, K Wada, J Tsurumachi, I Mita, T Ohno, M Mishina
{"title":"[Scanning electron microscopic observation on odontogenic keratocysts].","authors":"T Yoshida,&nbsp;K Wada,&nbsp;J Tsurumachi,&nbsp;I Mita,&nbsp;T Ohno,&nbsp;M Mishina","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Five odontogenic keratocysts were examined by using a scanning electron microscope (SEM) on the three-dimensional ultrastructure of epithelial lining cells. The fractured surface of the specimens showed a single row of columnar or cuboidal cells perpendicular to the flat basal lamina, a four- to five-cell layer of spinous cells, and a superficial layer of flattened parakeratinized cells. At high magnification of superficial cell surface, microvillis, short discontinuous branched or anastomosing microridges were observed.</p>","PeriodicalId":77585,"journal":{"name":"Ou Daigaku shigakushi","volume":"16 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"1989-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13629552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Long-term observation of two post-treatment cases with an impacted maxillary central incisor corrected by orthodontic treatment]. [2例上颌中切牙阻生矫治后的长期观察]。
Ou Daigaku shigakushi Pub Date : 1989-04-01
H Ogino, S Gouke, Y Ikejiri, T Himuro, S Nishigushi, T Yamaguchi
{"title":"[Long-term observation of two post-treatment cases with an impacted maxillary central incisor corrected by orthodontic treatment].","authors":"H Ogino,&nbsp;S Gouke,&nbsp;Y Ikejiri,&nbsp;T Himuro,&nbsp;S Nishigushi,&nbsp;T Yamaguchi","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Unlabelled: </strong>This article describes long-term observation of two post treatment cases with an impacted maxillary central incisor corrected by orthodontic treatment. [Case 1] Age at first examination: 11 years and 1 month. Chief complaint: Retarded eruption of a maxillary right incisor and crowding of teeth.</p><p><strong>Diagnosis: </strong>No skeletal problems were identified. Crown axis inclination of the impacted tooth showed 104.0 degrees. Root axis inclination showed 87.0 degrees. Treatment plan: [formula; see text] extraction, traction of the maxillary right incisor, edgewise method. Treatment time: 4 years and 3 months. [Case 2] Age at first examination: 8 years and 8 months. Chief complaint: Retarded eruption of a maxillary left incisor.</p><p><strong>Diagnosis: </strong>No skeletal problems were identified. Crown axis inclination of the impacted tooth showed 112.0 degrees. Root axis inclination showed 88.0 degrees. Treatment plan: Traction of maxillary left incisor, edgewise method. Treatment time: 5 years and 6 months. The findings were as follows; 1) When the active treatment was finished, no pulp necrosis nor any resorption of root or alveolar bone was found in the two cases. 2) At present, the crown axis inclination is restored to normal in both cases. 3) The impacted maxillary central incisors were treated to the normal position in the dental archs, and the condition and the tissues around are good. The foregoing results, we are sure, can be an important traction of the impacted maxillary central incisor.</p>","PeriodicalId":77585,"journal":{"name":"Ou Daigaku shigakushi","volume":"16 1","pages":"31-41"},"PeriodicalIF":0.0,"publicationDate":"1989-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Study on the longitudinal changes of the dental caries attack patterns of young child patients in pedodontic clinic, School of Dentistry, Ohu University]. [欧胡大学牙科学院，幼童门诊患儿龋病发作模式纵向变化研究]。
Ou Daigaku shigakushi Pub Date : 1989-04-01
H Kamioka, T Saito, K Shimamura, S Sasaki, N Fujino, H Sato
{"title":"[Study on the longitudinal changes of the dental caries attack patterns of young child patients in pedodontic clinic, School of Dentistry, Ohu University].","authors":"H Kamioka,&nbsp;T Saito,&nbsp;K Shimamura,&nbsp;S Sasaki,&nbsp;N Fujino,&nbsp;H Sato","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The status of dental caries prevalence in the child patients, having visited the pedodontic clinic of Ohu University Dental Hospital, was surveyed longitudinally for 2 years (between 3 and 5 years of age) or 3 years (between 2 and 5 years). Also the dental caries attack patterns used at the dental health examination in infants aged 3 years, were investigated longitudinally. The surveyed child patients were 132 boys and 143 girls who had 20 deciduous teeth in their mouth through the surveyed period. The results were as follows: 1. The dental caries prevalence rate in the child patients was high at each age. 2. B and C caries attack patterns showing extensive caries increased remarkably at 3 or 4 years of age, and O patterns decreased with advanced age. 3. The child patients having no change in the caries attack patterns for 3 years decreased about 70%, and the severe type group transmitted to C caries attack patterns increased with advanced age. 4. Most of O caries attack patterns at 2 years of age changed to other patterns between 3 and 4 years of age, and they were few at 5 years.</p>","PeriodicalId":77585,"journal":{"name":"Ou Daigaku shigakushi","volume":"16 1","pages":"13-23"},"PeriodicalIF":0.0,"publicationDate":"1989-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[A case of greater auricular nerve autologous nerve grafting for inferior alveolar nerve injury by mandibular fracture]. [耳大神经自体神经移植治疗下颌骨折所致下牙槽神经损伤1例]。
Ou Daigaku shigakushi Pub Date : 1989-04-01
J Baba, T Ohno, T Yoshida, T Ohno, I Mita, M Ohne
{"title":"[A case of greater auricular nerve autologous nerve grafting for inferior alveolar nerve injury by mandibular fracture].","authors":"J Baba,&nbsp;T Ohno,&nbsp;T Yoshida,&nbsp;T Ohno,&nbsp;I Mita,&nbsp;M Ohne","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The results of peripheral nerve repair have been greatly improved in the last few years following the introduction of micro-surgery and increased application of free autologous nerve transplants. In the field of oral surgery, a rich experience has been made in plastic and reconstructive repair. The inferior alveolar nerve is endangered by a series of mandibular fractures, with fracture lines running along the nerve canal. For plastic repair of the inferior alveolar nerve, we interpose an autologous transplant from the greater auricular nerve.</p>","PeriodicalId":77585,"journal":{"name":"Ou Daigaku shigakushi","volume":"16 1","pages":"24-30"},"PeriodicalIF":0.0,"publicationDate":"1989-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[A case of a so-called congenital tooth appeared in maxilla]. 上颌骨出现先天性牙齿一例。
Ou Daigaku shigakushi Pub Date : 1989-04-01
N Fujino, A Mita, T Saito, H Sato, S Morikawa, T Saito
{"title":"[A case of a so-called congenital tooth appeared in maxilla].","authors":"N Fujino,&nbsp;A Mita,&nbsp;T Saito,&nbsp;H Sato,&nbsp;S Morikawa,&nbsp;T Saito","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The congenital teeth are not only classified by Massler et al. as a natal tooth that has erupted at birth and a neonatal tooth that erupts at neonatal period, but also divided into a normal deciduous tooth and a supernumerary tooth. The congenital teeth are mostly found in the mandibular anterior region, but extremely rare in other regions. The authors met a rare case, that had a so-called congenital tooth in the maxillary anterior region, which was a supernumerary and fused tooth. The case was a boy patient, 4 months of age, who visited the pedodontic clinic, of Ohu University Dental Hospital, with the complaint of ruber and swelling of the maxillary anterior gum pad, October 17th in 1986. By oral inspection of the dental radiogram and his past history, the authors found a odontoid material in the swelled gum pad and diagnosed it as a so-called congenital and supernumerary tooth. The tooth was extracted. The extracted tooth was investigated histopathologically. It had the v-shaped incisula at the middle of its edge, and seemed as if two teeth had coalesced. The serial preparations by the labio-lingual section showed no partition, such cementum as to divide the enamel, the dentin and the pulp near the incisula. Therefore it was diagnosed as fused tooth correctly. In the labial surface of the root formed about a third root length, the thickness of the cellular cementum was observed. It was considered as a physiological reaction to no support of the alveolar bone and to the excess mobility of the tooth. The prognosis after its extraction was good, and all normal deciduous incisors appeared in his mouth, 7 month later.</p>","PeriodicalId":77585,"journal":{"name":"Ou Daigaku shigakushi","volume":"16 1","pages":"42-54"},"PeriodicalIF":0.0,"publicationDate":"1989-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13783653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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