A cross-cultural study of occlusal tooth wear.
A cross-cultural study of occlusal tooth wear.
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咬合牙齿磨损的跨文化研究。
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发表时间：
1992
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通讯作者：
A. Johansson
中科院分区：
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作者：
A. Johansson
在选定的瑞典高磨损患者样本和年轻成人沙特非患者人群中，对咬合和切牙磨损进行了评价，以评估其患病率、严重程度和分布。此外，还试图通过问卷调查和临床检查来调查各种因素与磨损的关联;并参考可能的因果关系进一步分析观察到的任何关联。用于评价磨损严重程度和进展的量表提供了高度的观察者间和观察者内一致性。结果显示，与西方国家相比，沙特人口的磨损率较高。饮食、辅助功能、记忆、咬合和唾液因素与磨损具有一定的相关性。在瑞典样本中，牙齿磨损的进展被证明是一个缓慢的过程。沙特样本中严酷的沙漠地形的共同因素可能构成该人群中占主导地位的被动磨损病因因素。虽然在沙特人群中磨损的进展似乎具有“线性”性质，但据推测，西方人群中的磨损除了“线性”恶化外，还可能发生“突发”，与某些致病因素的存在相吻合。这项研究的结果还表明，过度的功能，包括磨损，对某些牙槽形态特征的影响是相似的，在现代人和他的祖先。研究结果的基础上，不仅是咬合牙齿磨损的多因素病因学是一个现实，但也是这些因素在磨损的患病率，严重程度，分布和进展的复杂的相互依赖性。
Occlusal and incisal tooth wear were evaluated for the purpose of assessing their prevalence, severity and distribution in a selected Swedish high-wear patient sample and in a young adult Saudi non-patient population. Furthermore, an attempt was made to investigate, by means of a questionnaire and a clinical examination, the association of various factors with wear; any observed associations were further analyzed with reference to possible cause and effect relationships. The scales used for evaluating the severity and the progression of wear provided high inter- and intra-observer concordances. The results revealed a high wear experience in the Saudi population compared to Western equivalents. Dietary, para-functional, anamnestic, occlusal and salivary factors exhibited certain correlations with wear. Progression of tooth wear was shown to be a slow process in the Swedish sample. The common element of a harsh desert terrain in the Saudi sample may constitute the dominant passive abrasive etiological factor in this population. While progression of wear seems to be of a "linear" nature in the Saudi population, it is postulated that wear in Western populations may, in addition to a "linear" deterioration, occur in "bursts", coinciding with the presence of certain causative factors. The results from this study also indicate that the effects of excessive function, including that of wear, on certain dentoalveolar morphological features are similar in modern man and his ancestors. On the basis of the findings, not only is the multifactorial etiology of occlusal tooth wear a reality, but so too is the complex interdependence of these factors in the prevalence, severity, distribution and progression of wear.