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Abstract

Prevalence Study of Molar-Incisor Hypo Mineralisation in Primary School Children in South China

objective: The aim of this study is to investigate the prevalence and putative contributing factors of MIH in primary school students in Suzhou.
Subjects and methods: A total of 1145 primary school students were selected for this study. The MIH prevalence survey and a questionnaire was performed in accordance with the MIH diagnostic criteria enacted by the European Association of Pediatric Dentistry (EAPD). Statistical analysis of the data was performed using SPSS13.0.
Results: The overall prevalence rate was 4.45% with no gender difference. The primary clinical manifestation is demarcated opacities. The highest prevalence occurred in children with two affected molars and two incisors. The problematic teeth were usually symmetrical. MIH occurrence significantly related with whether the children suffered from otitis media and tonsillitis and whether they had used antibiotics in their first three years of life. MIH had no correlation with the children’s family background, feeding methods, and the physical conditions of their mothers during pregnancy.
Conclusion:
The MIH prevalence in primary students was 4.45% with mild clinical symptoms. MIH prevalence was correlated with the children’s medical history and use of antibiotics in their first three years.


Author(s):

Yong-Long Hong, Haiyan Wu, Jialu Yuan, Hongying Yao and Wen Sui



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  • Index Copernicus
  • China National Knowledge Infrastructure (CNKI)
  • Cosmos IF
  • WorldCat
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