不同洞缘角磨牙Ⅰ类洞复合树脂充填的应力分布
陈红星(
),刘思瑶,黄雨亭,潘爽()
),刘思瑶,黄雨亭,潘爽()
Stress distribution of composite resin filling in Class I cavity of molars with different cavosurface angle
CHEN Hongxing(),LIU Siyao,HUANG Yuting,PAN Shuang()
),LIU Siyao,HUANG Yuting,PAN Shuang()
图6. 3组牙本质等效应力分布
Figure 6. Equivalent stress distribution of dentin in the three groups
a-c: distribution of equivalent stress of dentin; d-f: distribution of equivalent stress of dentin in the buccolingual direction, with the maximum stress concentrated at the cavity bottom above the pulp chamber top and the enamel-dentin interface along the lateral wall of the cavity; g: maximum stress of dentin; group A: the cavosurface angle is 90°; group B: the cavosurface angle is 120°; group C: the cavosurface angle is 135°
