Zhonghua ya yi xue hui za zhi最新文献

{"title":"[Immediate and delayed effects of working interferences on human mastication].","authors":"Y Y Wu,&nbsp;Y Y Shiau","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The purpose of the present study was to observe the effects of working interferences on masticatory movements. Metal overlays were inserted on buccal cusps of upper 2nd premolar and 1st molar of healthy human subjects. Jaw movements were recorded by using the LED system at five sessions: before application (Wo), immediately after (W1), and one day (W2), one week (W3), and one month (W4) after application. It was found that (1) TMJ disorder or MPDS was not found in 10 subjects. (2) Six of the 10 subjects had extended border area after overlay insertion, and 4 subjects had restricted border area. (3) The mean closing angle at Wo was 41.2 +/- 13.3 degrees while at session W1 it was 28.1 +/- 14.7 degrees. The difference was significant (P less than 0.05). At sessions W2, W3 & W4 this angle was around 30 degrees. (4) The axis of the chewing cycle on frontal plane became more medially oriented at sessions W1, W2, W3, and W4. (5) Two distinctive types of chewing cycle were seen in few subjects at session W1. The first type had more vertical displacement with a twisted or deflected closing path. The second type occurred after about ten strokes of chewing, and the axis became more medially or vertically oriented. The vertical displacement was shorter and the horizontal displacement was relatively wider. (6) Ninety % of all subjects showed increased opening velocity and decreased closing velocity at session W1. The opening velocity and closing velocity increased consistently at sessions thereafter.(ABSTRACT TRUNCATED AT 250 WORDS)</p>","PeriodicalId":77649,"journal":{"name":"Zhonghua ya yi xue hui za zhi","volume":"7 3","pages":"89-96"},"PeriodicalIF":0.0,"publicationDate":"1988-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14400173","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}

{"title":"[Expression of epithelial and nervous-system-related antigens on pleomorphic adenoma of the salivary glands--an analysis of 20 cases].","authors":"M J Lang,&nbsp;M T Chung,&nbsp;Y C Tu","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The expression of cytokeratin (40-52 kD), carcinoembryonic antigen (CEA), vimentin, neuron-specific enolase (NSE), S-100 protein, glial fibrillary acidic protein (GFAP) were investigated in 20 cases of pleomorphic adenoma of the salivary glands and 10 cases of normal salivary glands, in order to analyze and correlate the antigens' expressions with the probably histogenetic mechanisms of the various histopathological differentiations in pleomorphic adenoma of the salivary glands and their probably original cells in normal salivary glands. Immunohistochemistry has provided some evidence for the relationship of the tumor cells to normal salivary glands: In the normal glands, the acinic cells exhibited cytokeratin, CEA and focal, predominantly nuclear S-100 protein staining. In both normal glands and pleomorphic adenomas, the duct-lining cells were immunoreactive for cytokeratin, CEA and had both cytoplasmic and nuclear S-100 positivity; The myoepithelial cells of the normal glands as well as the periduct cells, epithelial nests/cords, squamous metaplasia and the stellate/spindle/cartilaginous cells in the myxomatous-chondroid areas of the pleomorphic adenoma contain immunoreactive vimentin, NSE, S-100 proteins and GFAP, and lesser amounts cytokeratin (40-52 kD)/CEA. The varicosities of the terminal axon may lie directly on the basal membrane, or penetrate the basal membrane and lie in direct contact with the effector cells (duct-acinar-myoepithelial cells) of the salivary glands. The peripheral neurons and axons of the autonomic nervous system were identified by vimentin, NSE, S-100 proteins and GFAP. The combination of epithelial cytokeratin and nervous system-related vimentin, NSE, S-100 and GFAP immunostaining in myoepithelium of the normal glands and in all component elements (particularly the periduct cells) of pleomorphic adenoma reflects pleomorphic adenoma of the salivary glands is an epithelial tumor, the probably original cells or the probably histogenetic mechanisms of the various histopathological differentiations is correlated not only with \"duct-acinar-myoepithelial cells\" but also with the neuroectoderm in the normal salivary glands.\"</p>","PeriodicalId":77649,"journal":{"name":"Zhonghua ya yi xue hui za zhi","volume":"7 3","pages":"113-27"},"PeriodicalIF":0.0,"publicationDate":"1988-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14402716","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}

{"title":"[Mesenchymal chondrosarcoma--a case report].","authors":"H J Lin,&nbsp;C C Shih,&nbsp;C T Ou,&nbsp;I H Chen","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77649,"journal":{"name":"Zhonghua ya yi xue hui za zhi","volume":"7 1","pages":"19-26"},"PeriodicalIF":0.0,"publicationDate":"1988-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14384828","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}

{"title":"Effects of filler concentration on the properties of experimental composite resins.","authors":"K H Chung","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77649,"journal":{"name":"Zhonghua ya yi xue hui za zhi","volume":"7 1","pages":"6-12"},"PeriodicalIF":0.0,"publicationDate":"1988-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14384830","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}

{"title":"[Dentin wettability of five root canal sealers].","authors":"T K Mao,&nbsp;C L Yeh","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77649,"journal":{"name":"Zhonghua ya yi xue hui za zhi","volume":"7 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"1988-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14384826","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}

{"title":"Rheumatoid arthritis of temporomandibular joint--a case report.","authors":"K L Choi,&nbsp;C H Chang,&nbsp;Y Y Shiau","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77649,"journal":{"name":"Zhonghua ya yi xue hui za zhi","volume":"7 1","pages":"27-34"},"PeriodicalIF":0.0,"publicationDate":"1988-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14384829","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}

{"title":"Juvenile desmoplastic fibroma of mandible--a case report.","authors":"J J Chang,&nbsp;C Hu,&nbsp;P C Chang,&nbsp;H Y Liu,&nbsp;C N Tu","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77649,"journal":{"name":"Zhonghua ya yi xue hui za zhi","volume":"7 1","pages":"35-40"},"PeriodicalIF":0.0,"publicationDate":"1988-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14207439","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}

{"title":"Direct cytotoxicity of garlic on human oral cancer cells.","authors":"J H Chen,&nbsp;J S Lim,&nbsp;K W Shyu,&nbsp;C L Meng","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77649,"journal":{"name":"Zhonghua ya yi xue hui za zhi","volume":"7 1","pages":"13-8"},"PeriodicalIF":0.0,"publicationDate":"1988-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14384827","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}

{"title":"[An electrochemical study for the relative sealing ability of several root canal sealers combined with gutta percha point].","authors":"F L Chan,&nbsp;W H Lan,&nbsp;T T Liu,&nbsp;S C Lin","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77649,"journal":{"name":"Zhonghua ya yi xue hui za zhi","volume":"6 4","pages":"165-71"},"PeriodicalIF":0.0,"publicationDate":"1987-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14629526","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}

{"title":"[Clinical data analysis in the Division of Operative Dentistry, Dental Department of the National Taiwan University Hospital].","authors":"M H Chen,&nbsp;S S Jien,&nbsp;R S Chen","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77649,"journal":{"name":"Zhonghua ya yi xue hui za zhi","volume":"6 4","pages":"191-7"},"PeriodicalIF":0.0,"publicationDate":"1987-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14629529","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}