tooth impaction 阻生齿
If the wisdom tooth has erupted out of the jawbone but not through the gumline, it is called a soft tissue impaction.
如果智齿已经从腭骨萌出，但还没有从牙龈中长出，就称之为软组织阻生。
In modern population, the impaction rate for third molars is higher than any other tooth.
在现代人，第三磨牙阻生率高于其它牙齿，其中一个原因可能是磨牙后间隙不足。
Correlations of their relationship and type of tooth impaction, gender, visibility of the white line of bone of the MC by panoramic radiography were analyzed.
分析两者之间位置关系与阻生类型、性别、曲面断层片上下颌神经管骨白线是否可见的相关性。
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