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1 正常覆牙合组与前牙开牙合组髁突在关节窝内的位置

Table 1 Comparison of position of condyles in normal over bite group and anterior open-bite group mm,$\bar{x}\pm s$

Group Anterior space Superior space Posterior space Normal overbite Left 2.00 ± 0.75 2.75 ± 0.97 2.01 ± 0.58 Right 1.95 ± 0.60 2.68 ± 0.78 2.02 ± 0.56 Bilateral 1.98 ± 0.68 2.72 ± 0.88 2.02 ± 0.57 Anterior open-bite Left 1.98 ± 0.78 2.72 ± 0.79 2.49 ± 1.00 Right 2.07 ± 0.85 2.59 ± 0.90 2.20 ± 0.94 Bilateral 2.02 ± 0.82 2.66 ± 0.85 2.35 ± 0.98 t -0.45 0.53 -3.02 P 0.66 0.60 < 0.01