基于三维下颌骨平均模型的颌骨标志点自动确定方法

高梓翔,王勇,温奥楠,朱玉佳,秦庆钊,张昀,王晶,赵一姣

Automatic determination of mandibular landmarks based on three-dimensional mandibular average model

Zi-xiang GAO,Yong WANG,Ao-nan WEN,Yu-jia ZHU,Qing-zhao QIN,Yun ZHANG,Jing WANG,Yi-jiao ZHAO

表1 模板法确定三维下颌骨标志点的定点误差

Table 1 Distance error of 3D mandible landmarks determined by template-method

Number Name of landmarks Abbreviations Distance error/mm, $\bar x \pm s$ 1 Condylion (right) CoR 1.94±0.60 2 Condylion (left) CoL 2.24±0.97 3 Condyle lateral point (right) CLPR 0.77±0.50 4 Condyle lateral point (left) CLPL 0.96±0.38 5 Condyle medial point (right) CMPR 1.43±0.53 6 Condyle medial point (left) CMPL 1.37±0.44 7 Coronoid process (right) CPR 1.01±0.44 8 Coronoid process (left) CPL 0.56±0.14 9 Lowest point of the sigmoid notch (right) LPSNR 1.00±0.60 10 Lowest point of the sigmoid notch (left) LPSNL 0.75±0.37 11 Gonion (right) GoR 2.23±0.73 12 Gonion (left) GoL 1.82±1.17 13 Lowest anterior ramus (right) LARR 2.52±0.95 14 Lowest anterior ramus (left) LARL 2.57±1.10 15 Pogonion Pog 0.83±0.36 16 Menton Me 1.04±0.39 17 Gnathion Gn 0.84±0.32 18 Lower incisor LI 0.72±0.39 19 Supramental B 2.33±1.06