Ling Yue-hua, Zhao Jun, Wang Sun, Shi Hui-min
Department of Prosthodontics, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Shanghai Kou Qiang Yi Xue. 2011 Aug;20(4):401-4.
To detect the condyle-disc relationship with bilateral temporomandibular joint(TMJ) in edentulous patients.
The study was based on the clinical examination and bilateral MRIs of 11 edentulous patients, the clinical and MRI findings of bilateral TMJ were recorded and the disc position was observed in edentulous patients and the relationship was compared between clinical and MRI findings in those TMJs.
It was noted that disc displacement was in 45% of the TMJs in edentulous patients. Four TMJ disc displacement in man was found, accounting for 28.6%,whereas disc displacement was found in 6 TMJs of women, accounting for 75%.
There is no relationship between disc displacement and clinical manifestations. Disc displacement is more frequent in women than in men. There is potential relationship between missing teeth and internal derangement of TMJ in edentulous patients.
检测无牙颌患者双侧颞下颌关节（TMJ）的髁突-关节盘关系。
本研究基于11例无牙颌患者的临床检查和双侧MRI，记录双侧TMJ的临床及MRI表现，观察无牙颌患者的关节盘位置，并比较这些TMJ的临床和MRI表现之间的关系。
注意到无牙颌患者中45%的TMJ存在关节盘移位。男性发现4个TMJ关节盘移位，占28.6%，而女性6个TMJ存在关节盘移位，占75%。
关节盘移位与临床表现之间无关联。女性关节盘移位比男性更常见。无牙颌患者牙齿缺失与TMJ内部紊乱之间可能存在关联。
