Compared to famale, mandibula shows larger tendency of forward and deorse in accelerated phase, deceleration phase, maturation phase in male.
与女性相比,男性在加速期、减速期及成熟期表现出更大的下颌向下向前的生长趋势。
The occuring time of the ossification of mandibula lasted 8-36 weeks. The first part was corpus mandibulae, and the last part was tuberculum.
下颌骨各部骨化时间为8~36周,骨化部位最早的为下颌体,最晚的为颏结节。
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