方法观察记录并统计了西安半坡博物馆馆藏73例人头颅骨全部牙齿的龋病情况,用SPSS12.0软件对913颗牙齿进行统计学分析。
Methods : 913 teeth in 73 human cranial bones of the Neolithic Age kept in Banpo museum were examined , the soft ware SPSS 12.0 was used for statistics .