Methods 105 adult mandibles were used in this study to locate the foramen,analyze the difference between males and females,and observe the vertical relationship between the attachment of medial pterygoid and inferior point of foramen and positive ratio of external carina of ramus.
测量下颌孔最下点、下颌孔后点与升支后缘的水平距离;并观察下颌孔最下点与下颌第二磨牙牙合平面的垂直向关系,翼肌粗隆最上点与下颌孔最下点的垂直向关系,以及下颌升支外侧隆突存在的比例。