The higher prevalence of developmental defects of enamel in the dioxin-affected region than non-dioxin-affected region: result from a cross-sectional study in Vietnam

Odontology
Vo Truong Nhu NgocDinh-Toi Chu

Abstract

Developmental defects of enamel (DDE) are induced and regulated by several factors including genetics and the environment. There is evidence showing that dioxin in polluted areas has a strong effect on the health and development of teeth. However, there has been no study on DDE in the dioxin-affected regions in Vietnam. To identify the effect of dioxin on the prevalence of DDE in studied areas in Vietnam, a cross-sectional study was conducted in 2200 adults in the A Luoi district in the Thua Thien Hue province (the dioxin-affected region) and in the Kim Bang district in the Ha Nam province (dioxin-unaffected region) in 2015. All subjects were interviewed using a structured questionnaire and their teeth were examined and scored for enamel defects based on the 1992 FDI criteria. The defected teeth were then photographed. Our results showed that the DDE rate in A Luoi was 20.5% when measured as mouth prevalence and 5.8% when measured as tooth prevalence, while the rates in Kim Bang were 10.4 and 2.32% for mouth and tooth prevalence, respectively. Demarcated opacities were predominated in both districts (45.5% in A Luoi and 52.2% in Kim Bang). The DDE rate of the anterior teeth group was higher than that of the posterior teeth grou...Continue Reading

References

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Sep 4, 2004·Environmental Health Perspectives·Satu AlaluusuaPaolo Mocarelli
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Dec 30, 2016·Journal of International Society of Preventive & Community Dentistry·Rapala HarikaRaveen P Teja

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Citations

Sep 6, 2020·European Archives of Paediatric Dentistry : Official Journal of the European Academy of Paediatric Dentistry·R ElzeinF Ayoub
Apr 19, 2020·Reviews on Environmental Health·Serena BianchiGuido Macchiarelli

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