【摘要】 作者测量了153例现代人下颌骨和37例新石器时代(距今6000余年)成人下颌骨的颏孔位置并将二者作比较。有67.97％的现代人颏孔位于下颌第二前磨牙根尖下方;新石器时代人(圩墩人)中有64.86％位于下颌第二前磨牙和第一磨牙近中根尖下方之间。两者有显著的差异(P<0.01).更多还原

【Abstract】 37 cases of mandible of Neolithic adult that both sexes without missing teeth,alveolar bone were studied. The result showed that the location of the mental foramen below the apex of the lower second premolar was the most common (67. 97%) in the Modern adult,and the location of the mental foramen below between the apex of the lower second premolar and the first molar was the most common (64. 86%) in the Neolithic adult.更多还原