J Dent Res:磨牙症和酸蚀症的临床评估不远啦!

2017-03-20 MedSci MedSci原创

随着科学技术的提高和知识水平的迭代进步,通过对磨损形态的高清三维表面重建图像进行尺寸敏感的分形分析,我们得以将这些应用程序服务于临床实践。

科学技术的提高和知识水平的迭代进步,通过对磨损形态的高清三维表面重建图像进行尺寸敏感的分形分析,我们得以将这些应用程序服务于临床实践。

Ranjitkar S假设:腐蚀表面的微磨损情况更复杂,而磨耗表面则具有更强的各向异性。为说明天然牙磨耗和腐蚀的微磨损特征,该研究在高光学分辨率的共聚集轮廓仪下观察50颗离体牙的情况。这些离体牙被分为4组:包括磨耗和腐蚀2种磨损类型,前牙和后牙2种牙位(前牙组n=12,后牙组n=13),观察牙釉质和牙本质2种组织类型。分别对因变量:复杂性和各向异性进行线性混合效应(回归)分析,观察磨损类型、组织类型和不同牙位与应变量之间的关系。当因变量无论是复杂性(P = 0.0003),还是各向异性(P = 0.0014),复杂性和各向异性都显示出明显的相关性。腐蚀表面的微磨损复杂性,而磨耗表面则具有更强的各向异性证实了实验猜想。值得注意的是,最大几何平均值集中在牙本质腐蚀表面的复杂性和牙本质磨耗表面的各向异性。同时,相比于牙釉质,牙本质展示出的微磨损特性与磨损类型之间具有更强的一致性。

由此说明,微磨损评估可以应用于口腔临床实践和基础实验中,从而有利于对病理性牙齿磨损进行早期检测和有效管理

原始出处:

Ranjitkar S, et al, Surface-Sensitive Microwear Texture Analysis of Attrition and Erosion, J Dent Res. 2017;96(3):300-307. doi: 10.1177/0022034516680585

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