{"title":"[楔形缺陷的病理形态]。","authors":"G Meyer, E Dawid, P Schwartz","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Our function-oriented SEM studies of various stages of wedge-shaped defects on permanent teeth have shown that wedge-shaped defects probably result from parafunctional force application. These dental hard tissue defects are characterized by marginal surface fractures, arch-shaped enamel tears and axial enamel rod fractures with formation of sagittal gaps. The enamel fractures indicate a dynamic process and do not appear to be the result of improper toothbrushing technique.</p>","PeriodicalId":11244,"journal":{"name":"Deutsche zahnarztliche Zeitschrift","volume":"46 9","pages":"629-32"},"PeriodicalIF":0.0000,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[Pathomorphology of wedge-shaped defects].\",\"authors\":\"G Meyer, E Dawid, P Schwartz\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Our function-oriented SEM studies of various stages of wedge-shaped defects on permanent teeth have shown that wedge-shaped defects probably result from parafunctional force application. These dental hard tissue defects are characterized by marginal surface fractures, arch-shaped enamel tears and axial enamel rod fractures with formation of sagittal gaps. The enamel fractures indicate a dynamic process and do not appear to be the result of improper toothbrushing technique.</p>\",\"PeriodicalId\":11244,\"journal\":{\"name\":\"Deutsche zahnarztliche Zeitschrift\",\"volume\":\"46 9\",\"pages\":\"629-32\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Deutsche zahnarztliche Zeitschrift\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Deutsche zahnarztliche Zeitschrift","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Our function-oriented SEM studies of various stages of wedge-shaped defects on permanent teeth have shown that wedge-shaped defects probably result from parafunctional force application. These dental hard tissue defects are characterized by marginal surface fractures, arch-shaped enamel tears and axial enamel rod fractures with formation of sagittal gaps. The enamel fractures indicate a dynamic process and do not appear to be the result of improper toothbrushing technique.
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