苏州市姑苏区7～9岁儿童龋病流行病学调查

Abstract

Abstract: Objective To investigate the caries prevalence rate in 7-to 9-year-old children in Gusu District of Suzhou. Methods 1 452 children aged 7~9 years old were randomly selected using cluster sampling method in Gusu District of Suzhou city and the caries prevalence was investigated. Eruption and the pit and fissure sealants of the first permanent molars were also examined. Results The caries prevalence rate of deciduous teeth was 77.69%. Mean dmft was 3.706. And the filling percentage was 14.48%. The rate of caries and filling of the deciduous teeth decreased with age. The caries prevalence rate of the first permanent teeth was 21.21%. Mean DMFT was 0.444. And the filling percentage was 9.15%.The rate of caries and mean DMFT were the lowest in the 8-year-old group. However, the filling percentage of the permanent teeth increased with age. The rate of pit and fissure sealants was 10.74%. Conclusion The caries prevalence rate of deciduous and permanent teeth in 7-to 9-year-old children in Suzhou is relatively high, while the filling percentage and sealants rate are at a low level. It is recommended to increase the proportion of pit and fissure sealants and strengthen the examination of oral health and follow-up.

Key words: 7-to 9-year-old children, dental caries, pit and fissure sealant, Epidemiologieal investigation

CLC Number:

R780.1

Zheng-Hui XIONG Guang Zheng HAN. An epidemiological investigation of caries status among 7-to 9-year-old children in Gusu District of Suzhou[J]. , 2018, 35(9): 830-833.

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An epidemiological investigation of caries status among 7-to 9-year-old children in Gusu District of Suzhou

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