乳磨牙最适宜作窝沟封闭的时间
A.半岁
B.半岁~1岁
C.1岁~2岁
D.3岁~4岁
E.5岁~6岁
参考答案:D
颞肌的起点是
A.翼外板的外侧面
B.喙突及下颌支前缘直至第三磨牙远中
C.上下颌骨第三磨牙牙槽突的外方和翼突下颌缝
D.颞窝及颞深筋膜深面
E.下颌角内侧面及翼肌粗隆
I didn’t find his office. If only I his address!
A.had taken
B.have taken
C.took
D.would take