Int J Stomatol

Inter J Stomatol ›› 2017, Vol. 44 ›› Issue (1): 28-31.doi: 10.7518/gjkq.2017.01.005

• ·Original Articles· • Previous Articles     Next Articles

An epidemiologic survey of dental caries among school children in the rural area of Chengdu

Wang Yachong1, Hu Deyu2, Dong Ying2, Tu Rui2, Li Xue2, Kong Heng1   

  1. 1. Dept. of Stomatology, Shenzhen Nanshan Hospital, Shenzhen 518052, China;
    2. State Key Laboratory of Oral Diseases, Dept. of Preventive Dentistry, West China Hospital of Stomato-logy, Sichuan University, Chengdu 610041, China
  • Received:2016-03-06 Online:2017-01-01 Published:2017-01-01

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Abstract: Objective To determinethe prevalence of dental caries among school children in the rural area of Chengdu city. Methods The primary schools of Chengdu city in Sichuan province were chosen randomly. All school children aged between 7 to 11 years old were examined for dental caries using Nyvad index. All results of the oral examinations were recorded using Epidata software. Statistical analysis was performed using SPSS 13.0 edition. Results This survey included a total of 6 157 school children, including 3 070 males and 3 087 females. The average age was 9.6±0.64. The prevalence of dental caries in primary teeth and permanent teeth werer 77.8% and 33.5%, respectively. The prevalence of early childhood caries was 9.7%. The prevalence of dental caries includes 78.2% of active dental caries and 22.8% of non-active dental caries. The dental caries were frequently found on occlusal, buccal, and lingual surfaces. Conclusion This survey showed that most dental caries were active. The dental caries were frequently found on the occlusal, buccal, and lingual surfaces.

Key words: Nyvad index, early caries, remineralization

CLC Number: 

  • R781

TrendMD: 
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