国际口腔医学杂志 ›› 2009, Vol. 36 ›› Issue (3): 276-280.doi: 10.3969/j.issn.1673-5749.2009.03.008

• 论著 • 上一篇    下一篇

不同生长期安氏Ⅱ类1 分类错牙合畸形患者非拔牙矫治的疗效评估

昝琳,林宝山,邓潇,陈嵩   

  1. 四川大学华西口腔医院正畸科 四川 成都 610041
  • 收稿日期:2008-09-13 修回日期:2009-02-13 出版日期:2009-05-20 发布日期:2009-05-20
  • 通讯作者: 陈嵩

Evaluation about the effects of non -extraction treatment for patients of differe

ZAN Lin, LIN Bao-shan, DENG Xiao, CHEN Song   

  1. Dept. of Orthodontics, West China College of Stomatology, Sichuan University, Che
  • Received:2008-09-13 Revised:2009-02-13 Online:2009-05-20 Published:2009-05-20
  • Contact: CHEN Song

摘要: 目的 探讨生长期安氏Ⅱ类1 分类错畸形患者固定正畸治疗的最佳时机以及与生长发育的相互影响。方法 选取安氏Ⅱ类1 分类错畸形患者60 例,按Baccetti 骨龄分期将其分为生长高峰期(CVM Ⅱ期)非拔牙组与对照组、生长高峰后期(CVM Ⅲ期)非拔牙组与对照组共4 组,每组男女各半。收集患者治疗前后的X 线头颅侧位片进行头影测量分析。结果 患者治疗后软硬组织均有改变,其中CVM Ⅱ期非拔牙组治疗后骨组织变化较CVM Ⅲ期非拔牙组明显,差异具有统计学意义(P<0.05),两者大部分牙组织与软组织变化差异则无统计学意义(P>0.05)。结论 对于CVM Ⅱ期的安氏Ⅱ类1 分类错畸形患者,非拔牙正畸治疗可在一定程度上抑制上颌的生长,促进下颌和颏部的发育,故临床上应该在CVM Ⅱ期的早期阶段给予治疗,以获得更好的骨效应。

关键词: 安氏Ⅱ类1 分类错畸形, 非拔牙治疗, 软硬组织, 颈椎骨龄, 生长期

Abstract: Objective To evaluate the optimal time for fixed appliance treatment and the relation between orthodontic treatment and growth of Angle class Ⅱ division 1 malocclusion during growth periods. Methods 60 patients with Angle class Ⅱ division 1 malocclusion were selected according to the cervical vertebral maturation (CVM) method for the assessment of mandibular growth made by Baccetti, including non-extraction group and control group in the growth peak, and non-extraction group and control group after growth peak. The number of
male and female in each group was the same. All the lateral cephalometric photos before and after treatment were analyzed. Results Soft and hard tissues had been changed after treatment. The bone effect of non -extraction
group in the growth peak after treatment was better than the non-extraction group after the growth peak(P<0.05), but no statistically significant difference was found in most parts of teeth and soft tissues between the two groups (P>0.05). Conclusion The development of maxilla is restrained and the growth of mandible and chin is stimulated after non-extraction treatment of Angle class Ⅱ division 1 malocclusion during growth period. In order to get a better bone effect, treatment should be given as early as possible in the growth peak.

Key words: Angle class Ⅱ division 1 malocclusion, non-extraction treatment, soft and hard tissue, cervical vertebral maturation, growth period

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