![上颌侧切牙外形](https://imgs.zsbeike.com/imgs/O/O08400/O08400.0096.0[0da12b7097a5].jpg)
 图3-16 上颌侧切牙外形A.唇面; B.近中面; C.舌面; D.远中面; E.切端上颌侧切牙的冠较狭长,远中切角圆钝,舌窝深而窄,易滞留食物残渣而滋生细菌,从而导致龋坏; 该牙常有锥状变异,牙根细长且根尖多偏斜,拨牙脱位时因误用旋转力易导致 (共 130 字) [阅读本文] >>
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 图3-16 上颌侧切牙外形A.唇面; B.近中面; C.舌面; D.远中面; E.切端上颌侧切牙的冠较狭长,远中切角圆钝,舌窝深而窄,易滞留食物残渣而滋生细菌,从而导致龋坏; 该牙常有锥状变异,牙根细长且根尖多偏斜,拨牙脱位时因误用旋转力易导致 (共 130 字) [阅读本文] >>