Impacted tooth frequently appears in upper cuspid and upper central incisors(except of the third molar) .

较常见的是尖牙和上颌切牙的埋伏阻生（第三磨牙除外）。

youdao

Impacted tooth frequently appears in upper cuspid and upper central incisors(except of the third molar) .

较常见的是尖牙和上颌切牙的埋伏阻生（第三磨牙除外）。

youdao