1.Methods The height and the width of the mandibula r ramus,the locations of the mandibular foramen and the canal and so on were mea sured in 40 sides of mandibular ramus in 20 cadavers.

1.方法对20例40侧新下颌骨标本量下颌升支和宽,下颌孔和下颌管位置等。