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Ⅱ类1分类错(牙合)矫洽后,超突与复(牙合)的复发是常见的;尤以固定矫正器矫治后的复发报告为多。用功能性矫正器(以下简称功矫器)矫治后是否复发,报告不一。不适当的矫治方法、固位不足及矫治后生长发育的不利改变,是复发的重要因素,但尚不能完全解释复发的原因。Goldstein(1953)认为天赋的形态学生长类型,限制了矫治的范围;如果牙齿的移动,超过此类型所能承受的限度,则导致复发。Horowitz等(1969)指出,牙列的变化持续一生,矫治可影响其正常发育过程;因此矫治后复发,可视为向病人原有情况的生理性恢复。Herzberg(1973)发现矫治后下颌的不良生长,特别是
Ⅱ class 1 malocclusion (Occlusal) after correction, the super-sudden and complex occlusion recurrence is common, especially in the correction of orthodontic appliance after the recurrence of the report as much. With functional orthotics (hereinafter referred to as correction device) whether the recurrence after treatment, the report varies. Improper orthodontic treatment, inadequate retention, and unfavorable changes in growth and development after correction are important factors for recurrence but are not yet fully explained. Goldstein (1953) considers the type of gifted morphological growth that limits the scope of orthodontics; if the tooth moves beyond the limits this type can sustain, it causes recurrence. Horowitz et al. (1969) pointed out that changes in dentition lasts a lifetime, orthodontics can affect its normal development process; so relapse after treatment can be regarded as a physiological recovery to the patient's original situation. Herzberg (1973) found poor mandibular growth after correction, especially