题目内容
(请给出正确答案)
[主观题]
龈沟gingival sulcus/gingival crevice
提问人:网友lixin080108
发布时间:2022-01-07
The two major problems with posterior composite resin materials are()
A.wear resistance
B.bulk fracture due to lack Of tensile strength
C.difficulty in attaining a good proximal contact
D.difficulty in sealing the gingival margin of a classⅡpreparation
A、The lateral occipital sulcus
B、The rTPJ (Right Temporoparietal Junction)
C、The MPFC (Medial prefrontal cortex)
D、The STS (Superior temporal sulcus)
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