›› 2017, Vol. 37 ›› Issue (1): 78-80.

• Investigation and study • Previous Articles     Next Articles

Investigation and analysis of malocclusion in mixed dentition of 4500 students in primary school of Shanghai

1,Jin-Qiu FENG   

  • Received:2016-06-13 Revised:2016-07-13 Online:2017-01-28 Published:2017-01-17
  • Contact: Jin-Qiu FENG E-mail:cindy356@163.com

Abstract: [摘要]目的:调查上海市替牙期小学生错牙合畸形患病率及类型,为早期矫治提供科学依据。方法:在7-11岁小学生随机抽样调查,按Angle错牙合分类法进行统计。结果:受检小学生中错牙合畸形患病率为48.67%,男女有统计学差异。错牙合类型以AngleⅡ类最多,占50.23%。在各种错牙合畸形类型中,较为明显的是深覆盖、深覆牙合、轻度拥挤和反牙合,患病率分别是63.93%、58.90%、38.36%和18.69%。结论:上海市替牙期小学生错牙合畸形患病率仍较高,错牙合类型构成比及主要类型表现发生变化,应加大力度普及错牙合畸形早期防治知识,有针对性地进行早期矫治。

Key words: Key Words: mixed dentition, malocclusion, prevalence, Investigation and analysis

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