the first mandibular molar 下颌第一磨牙
The three dimensional finite element method models of the mandibular first molar was constructed on the computer, which had 63715 nodes and 41676 tetrahedrons elements.
在计算机上建立了下颌第一磨牙三维有限元模型，总节点为63 715个，4面单元数为41 676个。
Objective:To evaluate the contribution of radiogram in diagnosis of primary vertical root facture in mandibular first molar.
目的：评价直接数字化影像技术在下颌第一磨牙牙根纵裂诊断中的作用。
Results All parameters of 14 teeth were achieved The parameter of TM in mandibular incisor was the highest and in mandibular first molar lowest.
结果得到右侧上下颌14颗牙的牙动度参数的正常范围，其牙动度参数的均值以下颌前牙最大，下颌第一磨牙最小。
应用推荐