全口义齿平面平分颌间距离主要是为了()
A.防止位前伸
B.加强义齿的固位和稳定
C.获得正确的垂直距离
D.防止人工牙和基牙的折断
E.增加基托的吸收力
参考答案:B
对他人多一份宽容,友谊就多一份生长的空间,生活就会增加一份真诚和美丽。
She has a new _______. She _______ TV every day. [ ]
A. watch, watch
B. watch, watches
C. watches, watch
D. watch, watching