... incision /n切入，切开；雕刻 incisive /a切入的；锋利的；尖锐的；深刻的；透切的；切牙的；门牙的 incisor /n切牙，门牙 ...
基于14个网页-相关网页
上颌中切牙的短根牙比例相当高。
The rate of short root was high in maxillary central incisors.
较常见的是尖牙和上颌切牙的埋伏阻生（第三磨牙除外）。
Impacted tooth frequently appears in upper cuspid and upper central incisors(except of the third molar) .
但有资料表明下颌切牙的根管解剖形态较为复杂，变异较多。
However, some research data show that mandibular incisors' root canal anatomy is comparatively complex, and root canal system has many variations.
应用推荐