中国实用口腔科杂志

中国实用口腔科杂志

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第二双尖牙先天缺失14例治疗体会

冶录平，王 茜，翟俊辉，刘 琳，陈小冬   

  1. 大连市口腔医院（大连大学附属口腔医院）正畸科
  • 收稿日期:2008-12-18 修回日期:2009-01-15 出版日期:2009-02-15 发布日期:2009-02-15

  • Received:2008-12-18 Revised:2009-01-15 Online:2009-02-15 Published:2009-02-15

摘要：

探讨第二双尖牙先天缺失时合适的治疗方法。方法 分析总结2000 — 2008年治疗的14例第二双尖牙先天缺失患者的临床资料，并结合国内外相关文献，寻找第二双尖牙先天缺失病例合适的治疗方法。结果 14例患者中13例选择正畸关闭牙间隙矫治，完成时间为18 ～ 36个月，平均 27个月，矫治后上下牙列排列整齐，前牙覆牙合、覆盖正常，尖牙中性关系。1例选择集中间隙镶牙的治疗方法，矫治时间10个月。矫治后曲面断层片显示牙根平行，缺牙区牙槽骨无缺损、吸收。结论 第二双尖牙的先天缺失应及早发现，并给予适当的治疗，如果患者选择正畸关闭牙间隙的矫治方法，要注意前牙支抗的严格控制，以防破坏侧貌的丰满度。

关键词: 第二双尖牙, 牙齿缺失, 先天, 治疗

Abstract:

Objective To explore proper clinical options of congenitally missing second

premolar，hoping to give some reference for other orthodontist in treating such patients. Methods Collect 14 patients treated by author from 2000 to 2008， analyze the methods and results of treatment，summarize clinical experience and correlative literature， and look for right options of treatment for congenitally missing second premolar .Results Orthodontic treatment was chosen for 13 patients to close the space;treatment time ranged from 18 to 36 months，with average 27 months. After treatment，upper and lower tooth was in alignment and even，overjet and overbite was normal and canine was neutral. Only 1 patient was performed orthodontic treatment combined with prosthetic restoration;treatment time was 10 months.After therapy the root was parallel in Panoramic and there was no alveolar bone defect or resorption in tooth losing area. Conclusion Congenitally missing second premolar should be found as early as possible with correct treatment. When the patient asks for closing the space ，severely control the anterior anchorage to prevent flattening facial fullness.

Key words: second premolar , tooth missing，congenitally, treatment