国人下颌孔的定位研究

用200例(男124、女76)长春市郊出土的干燥成人下颌骨进行了下颌孔定位的研究。所测得的数据,均通过统计学处理。结果发现下颌孔的位置是变化的,但下颌孔主要位于冠突最高点与下颌角连线的上五分之三与下五分之二交界处。同时进行了男、女性别之间及同一性别两侧之间的对比研究。从研究结果看,除下颌孔至下颌角的距离在男、女性别之间存在着明显性别差异以外,其余各项未看出明显性别差异。

STUDY OF THE POSITION OF THE MANDIBULAR FORAMEN OF THE CHINESE

The position of 200 (male 124, fomal 76)dry mandibular foramen of the adu ets who were dug up in the suburbs of Chang Chun city were measured. The obtained data were all ealt with by statistics. The position of the foram was found to be variable. The foramen is located at the upper three-fifths and the lower two-fifths of a line connecting the highest point of the coronorid process and the angle of the mandibular. We also made a comparison of the position of mandibular foramina between males and famales the laft side and the right side in the same sex. The result of study showed that there was a marked sexual difference in distance between the mandibular foramen and the mandibular angle, but no marked sexual difference in other items