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本研究以５５０名少年儿童ＴＭＪＤ患者为研究对象，对其特征进行了统计分析。得出：５５０名少年儿童ＴＭＪＤ患者中８０．０％的患者有不同程度的错，其中以＂个别牙齿错位＂所占的百分率最高占４２．４％，其次为高度不调、长度不调和宽度不调；不同牙龄期患者的错又有其特殊性；此外，不同牙龄期患者＂个别牙齿错位＂的情况也不相同。本研究结果可以作为ＴＭＪＤ早期正畸治疗以及治疗时对错的分析和诊断的参考。
In this study, 550 juvenile TMJD patients were studied, and their characteristics were statistically analyzed. The results showed that 80.0% of 550 juvenile TMJD patients had different degrees of error, of which 42.4% had the highest percentage of “individual tooth misalignment”, followed by the height mismatch, the length mismatch width Not adjusted; different age patients have their own specific errors; In addition, different age groups, “individual teeth dislocation” is not the same situation. The results of this study can be used as a reference for the early orthodontic treatment of TMJD as well as for the analysis and diagnosis of errors during treatment.