›› 2017, Vol. 37 ›› Issue (3): 227-232.

• 临床研究 • 上一篇    下一篇

CICE-下颌前移器矫治安氏Ⅱ类错畸形最佳时机的探讨

田雪1,韩俊1,丁丽芳1,郑文皓1,袁小莉1,陈莉莉2   

  1. 1. 华中科技大学同济医学院附属协和医院
    2. 华中科技大学同济医学院附属协和医院口腔科
  • 收稿日期:2016-11-07 修回日期:2016-12-13 出版日期:2017-03-28 发布日期:2017-04-12
  • 通讯作者: 陈莉莉 E-mail:lily-c1030@163.com
  • 基金资助:
    国家自然科学基金青年基金;湖北省科技支撑计划项目

The investigation of the optimal treatment timing of CICE appliance for class Ⅱ malocclusion

  • Received:2016-11-07 Revised:2016-12-13 Online:2017-03-28 Published:2017-04-12
  • Contact: chen lili E-mail:lily-c1030@163.com

摘要: [摘要] 目的 基于颈椎骨龄定量分期法,探讨应用CICE-下颌前移器治疗下颌骨发育不足的安氏Ⅱ类错畸形的最佳时机。方法 随机选择2013年6月—2015年1月在武汉协和医院口腔医学中心正畸科就诊的上颌发育正常、下颌发育不足,表现为安氏Ⅱ类错畸形的患者。参照陈莉莉、林久祥等创建的颈椎骨龄定量分期法(QCVM),根据患者开始矫治时的骨龄阶段将患者分为3组:QCVMⅠ期(加速期)组、QCVMⅡ期(高峰期)组、QCVMⅢ期(减速期)组,每组20例共60例患者入选,男24例,女36例,平均年龄12.5岁。所有患者均为非拔牙矫治,固定矫治之前先采用由武汉协和医院口腔医学中心正畸科自行研制的CICE下颌前移器进行功能矫治6个月,恢复上下颌骨正常的矢状关系后,再进行固定矫治。对治疗前后的头影测量X线片进行比较分析。结果 颌骨矫形治疗6个月后,3组患者面型均有明显的改善,面部突度变小,侧貌变成直面型,颏唇肌紧张症状减轻,前牙建立基本正常的覆覆盖关系,磨牙达到或接近安氏Ⅰ类关系。治疗前后参数的变化值和牙、骨性变化比例共同提示我们下颌骨增长的速度与颈椎骨龄分期具有明显的相关性,QCVM Ⅱ期组>QCVMⅠ期组>QCVM Ⅲ期组。结论 CICE-下颌前移器矫治下颌发育不足的安氏Ⅱ类错畸形,具有舒适、隐形、简洁、高效的效果,但是矫治时机的选择非常重要。

关键词: [关键词]颈椎骨龄定量分期法, 功能矫治器, 安氏II类错牙合

Abstract: Abstract: Objective To investigate the optimal treatment timing of CICE appliance for class II malocclusion according to Quantitative Cervical Vertebral Maturation(QCVM). Methods 60 cases of Class II malocclusion (an average age of 12.5 years) with normal maxilla and retruded mandible were selected and the patients were divided into three groups I-II-III according to QCVM. For each group, mandibular protraction was achieved with CICE appliance for 6 months before fixed orthodontic treatment. Cephalometric analysis was compared pre-treatment and post-treatment. Results After 6 months of CICE appliance therapy, harmany profile and remarkable advancement of the mandible were obtained in all of these cases. Class II occlusions were changed to Class I relationship. During QCVM II, the skeletal parameters were changed more significantly than dental parameters before and post treatment. The order of the parameters variation in different QCVM groups is QCVM II>QCVM I>QCVM III. Conclusion CICE appliance contacts comfortable, invisible, concise, efficient, but the optimal treatment timing of mandibular protraction is also significant.

Key words: Key words: quantitative cervical vertebral maturation, functional appliance, class II malocclusion

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