›› 2014, Vol. 34 ›› Issue (10): 790-792.

• Investigation and Study • Previous Articles     Next Articles

Investigation and analysis of malocclusion and orthodontic conditions of 819 middle school students in Zhoushan city

  

  • Received:2013-04-18 Revised:2013-05-31 Online:2014-10-28 Published:2014-10-15
  • Contact: Qing-Hong ZHANG E-mail:zqhkm@163.com

Abstract: Objective To investigate and analyze the malocclusion and orthodontic conditions of 819 middle school students in Zhoushan city.Methods 819 middle school students were investigated.Individual normal occlusion was set as the criteria.The incidence rate of malocclusion,rectification rate and the primary cause were analyzed statistically.Results The incidence rate of pathoocclusion and rectified rate were 78.8% and 14.5%,respectively.The primary cause of nonrectification was that there was a weak awareness of the harm of malocclusion.Conclusions There is a higher incidence rate of malocclusion with a lower rectification rate among middle students of Zhoushan city.

Key words: malocclusion, rectification rate

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