前牙开牙合患者颞下颌关节间隙及髁突形态的锥形束CT评价

赖展文,胡子洋,潘笑,郝燕清,林梓桐

Evaluation of temporomandibular joint space and condylar morphology in patients with anterior open-bite based on cone-beam CT

LAI Zhanwen,HU Ziyang,PAN Xiao,HAO Yanqing,LIN Zitong

表3 不同程度前牙开牙合患者关节位于关节窝内的位置

Table 3 Comparison of position of condyles among different anterior open-bite level patients mm,$\bar{x}\pm s$

Degree of anterior open-bite Anterior joint space Superior joint space Posterior joint space Ⅰ° open-bite 2.16 ± 0.94 2.70 ± 0.89 2.27 ± 1.11 Ⅱ° open-bite 1.97 ± 0.56 2.69 ± 0.66 2.35 ± 0.59 Ⅲ° open-bite 1.65 ± 0.47 2.50 ± 0.87 2.58 ± 0.89 Ⅱ° vs. Ⅰ° t 0.924 0.046 0.046 P 0.390 0.960 0.960 Ⅲ° vs. Ⅰ° t 3.198 0.846 -1.116 P < 0.001 0.400 0.270 Ⅲ° vs. Ⅱ° t 2.010 0.784 -0.968 P 0.049 0.440 0.320