Int J Stomatol

Inter J Stomatol ›› 2017, Vol. 44 ›› Issue (2): 141-143.doi: 10.7518/gjkq.2017.02.004

• Original Articles • Previous Articles     Next Articles

Investigation and analysis of malocclusion in primary dentition of Kunming residents

Huang Guiyue, Liu Bo, Chen Meihong, Xu Yanhua.   

  1. Dept. of Orthodontics, Stomatological Hospital of Kunming Medical University, Kunming 650000, China
  • Received:2015-10-12 Online:2017-03-01 Published:2017-03-01
  • Supported by:
    This study was supported by National Natural Science Foundation of China(81260162).

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Abstract: Objective This study determined the malocclusion of primary dentition in Kunming City residents in Yunnan Province and to provide evidence of malocclusion of primary dentition preventive orthodontics and interceptive orthodontics. Methods A total of 2 116 children who have primary dentition were surveyed from three kindergarten schools in Kunming City. Cross-section survey and malocclusion rate calculation were performed. Results The survey showed that 1 516 out of 2 116 children have malocclusion, with a rate of 72%. The most important types of malocclusion in primary dentition are overbite, dental crowding, anterior cross bite, edge-to-edge bite, early loss of deciduous teeth, and open bite. Conclusion The rate of malocclusion of primary dentition in Kunming City is high. Much work should be done to prevent or treat malocclusion of primary dentition.

Key words: primary dentition, malocclusion, survey

CLC Number: 

  • R783.5

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