颞下颌关节紊乱病患者关节盘与髁突距离的定量分析研究
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孙磊, 戴世锋, 陈裕华, 许新怡, 姜克乐, 李筱文, 李承靖, 吴婷婷
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Quantitative analysis of the distance between articular disc and condyle in patients with temporomandibular disorders
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SUN Lei, DAI Shifeng, CHEN Yuhua, XU Xinyi, JIANG Kele, LI Xiaowen, LI Chengjing, WU Tingting
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表2 不同关节盘前移位状态下关节盘形态及盘髁距离的差异
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Tab 2 Differences in disc morphology and disc-condyle distance under different anterior disc displacement states
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| Item | No displacement | Anterior disc displacement with reduction | Anterior disc displacement without reduction | P value |
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| Type/n(%) | | | | <0.001 | | Ⅰ | 24 (60) | 36 (46.2)① | 5 (8.1)①② | | | Ⅱ | 16 (40) | 29 (37.2) | 9 (14.5) | | | Ⅲ | 0 (0) | 9 (11.5) | 14 (22.6) | | | Ⅳ/Ⅴ | 0 (0) | 4 (5.1) | 34 (54.8) | | | Disc length/mm | 9.41±1.40 | 9.64±1.79 | 6.46±1.61①② | <0.001 | | Disc thickness/mm | | | | | | Anterior band | 2.40 (2.00, 2.60) | 2.20 (2.10, 2.63) | 2.30 (2.08, 2.73) | 0.759 | | Intermediate band | 0.90 (0.80, 0.90) | 0.90 (0.80, 1.00) | 1.00 (0.90, 1.20)①③ | <0.001 | | Posterior band | 2.95 (2.80, 3.08) | 2.90 (2.70, 3.00) | 2.90 (2.60, 3.23) | 0.648 | | Displacement angle/(°) | | | | | | Closed-mouth position | 8.75 (0.69, 11.03) | 25.74 (18.83, 56.24)① | 95.97 (85.86, 106.36) ①② | <0.001 | | Maximum opening position | -65.32 (-81.38, -41.68) | -51.56 (-77.58, -33.09) | 79.62 (64.11, 88.44)①② | <0.001 | | Disc-condyle distance/mm | 3.10 (2.70, 3.70) | 3.40 (3.00, 4.00) | 6.60 (4.78, 7.90)①② | <0.001 |
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