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斜面导板固定矫治下颌后缩型安氏Ⅱ类错的效果观察 被引量:2

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摘要 目的观察斜面导板在固定矫治下颌后缩型安氏Ⅱ类错的临床效果。方法 24例下颌后缩型安氏Ⅱ类错采用直丝弓矫治并结合使用斜面导板解除患者的深覆、深覆盖,对治疗前后进行头影测量分析。结果 24例均取得满意效果,下颌前移基本到位,磨牙都达到中性关系,咬关系良好,下颌后缩面形改善显著,覆覆盖正常,前牙覆减少3.4 mm,覆盖减少4.9 mm,SNA变化不大,SNB增加2.6°,ANB减少2.8°,MP-FH增加2.9°,NP-FH增加2.2°,软组织侧貌明显改善。结论直丝弓矫治器和斜面导板二者联合治疗下颌后缩型安氏Ⅱ类错快速有效,值得推广。
出处 《广西医学》 CAS 2013年第6期762-763,共2页 Guangxi Medical Journal
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