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Association between Molar Incisor Hypomineralization in Schoolchildren and Both Prenatal and Postnatal Factors: A Population-Based Study.
PLoS One. 2016; 11(6):e0156332.Plos

Abstract

BACKGROUND

Although studies throughout the world have investigated potential factors involved in the occurrence of molar incisor hypomineralization (MIH), the findings are varied and inconclusive.

OBJECTIVE

The aim of the present study was to evaluate the prevalence of MIH and identify associated prenatal, perinatal and postnatal factors among Brazilian schoolchildren aged 8 and 9 years.

METHODS

A cross-sectional study was conducted with a randomly selected population-based sample of 1181 schoolchildren. Information on demographic and socioeconomic characteristics as well as prenatal, perinatal and postnatal aspects was obtained through questionnaires. The clinical examination included the investigation of MIH based on the criteria of the European Academy of Paediatric Dentistry. Dental caries in the permanent dentition and developmental defects of enamel (DDE) on the primary second molars were also recorded. Data analysis involved descriptive statistics, bivariate tests and Poisson regression with robust variance.

RESULTS

The prevalence of MIH was 20.4%. MIH was more frequent among children with dental caries in the permanent dentition (PR: 2.67; 95% CI: 1.98-3.61), those with DDE on the primary second molars (PR: 2.54; 95% CI: 1.87-3.45) and those who experienced asthma/bronchitis in the first four years of life (PR: 1.93; 95% CI: 1.45-2.56).

CONCLUSIONS

The prevalence of MIH was high and was associated with dental caries, the presence of DDE on primary second molars and the experience of asthma/bronchitis in early life. These findings could be useful in the identification of children in need of shorter recall intervals to prevent the consequences of MIH, such as enamel breakdown dental caries.

Authors+Show Affiliations

Department of Pediatric Dentistry, Centro Universitário de Lavras, Lavras, Minas Gerais, Brazil.Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.Department of Public Oral Health, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27280451

Citation

Tourino, Luciana Fonseca Pádua Gonçalves, et al. "Association Between Molar Incisor Hypomineralization in Schoolchildren and Both Prenatal and Postnatal Factors: a Population-Based Study." PloS One, vol. 11, no. 6, 2016, pp. e0156332.
Tourino LF, Corrêa-Faria P, Ferreira RC, et al. Association between Molar Incisor Hypomineralization in Schoolchildren and Both Prenatal and Postnatal Factors: A Population-Based Study. PLoS One. 2016;11(6):e0156332.
Tourino, L. F., Corrêa-Faria, P., Ferreira, R. C., Bendo, C. B., Zarzar, P. M., & Vale, M. P. (2016). Association between Molar Incisor Hypomineralization in Schoolchildren and Both Prenatal and Postnatal Factors: A Population-Based Study. PloS One, 11(6), e0156332. https://doi.org/10.1371/journal.pone.0156332
Tourino LF, et al. Association Between Molar Incisor Hypomineralization in Schoolchildren and Both Prenatal and Postnatal Factors: a Population-Based Study. PLoS One. 2016;11(6):e0156332. PubMed PMID: 27280451.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Association between Molar Incisor Hypomineralization in Schoolchildren and Both Prenatal and Postnatal Factors: A Population-Based Study. AU - Tourino,Luciana Fonseca Pádua Gonçalves, AU - Corrêa-Faria,Patrícia, AU - Ferreira,Raquel Conceição, AU - Bendo,Cristiane Baccin, AU - Zarzar,Patrícia Maria, AU - Vale,Miriam Pimenta, Y1 - 2016/06/09/ PY - 2016/02/19/received PY - 2016/05/12/accepted PY - 2016/6/10/entrez PY - 2016/6/10/pubmed PY - 2017/7/28/medline SP - e0156332 EP - e0156332 JF - PloS one JO - PLoS One VL - 11 IS - 6 N2 - BACKGROUND: Although studies throughout the world have investigated potential factors involved in the occurrence of molar incisor hypomineralization (MIH), the findings are varied and inconclusive. OBJECTIVE: The aim of the present study was to evaluate the prevalence of MIH and identify associated prenatal, perinatal and postnatal factors among Brazilian schoolchildren aged 8 and 9 years. METHODS: A cross-sectional study was conducted with a randomly selected population-based sample of 1181 schoolchildren. Information on demographic and socioeconomic characteristics as well as prenatal, perinatal and postnatal aspects was obtained through questionnaires. The clinical examination included the investigation of MIH based on the criteria of the European Academy of Paediatric Dentistry. Dental caries in the permanent dentition and developmental defects of enamel (DDE) on the primary second molars were also recorded. Data analysis involved descriptive statistics, bivariate tests and Poisson regression with robust variance. RESULTS: The prevalence of MIH was 20.4%. MIH was more frequent among children with dental caries in the permanent dentition (PR: 2.67; 95% CI: 1.98-3.61), those with DDE on the primary second molars (PR: 2.54; 95% CI: 1.87-3.45) and those who experienced asthma/bronchitis in the first four years of life (PR: 1.93; 95% CI: 1.45-2.56). CONCLUSIONS: The prevalence of MIH was high and was associated with dental caries, the presence of DDE on primary second molars and the experience of asthma/bronchitis in early life. These findings could be useful in the identification of children in need of shorter recall intervals to prevent the consequences of MIH, such as enamel breakdown dental caries. SN - 1932-6203 UR - https://www.unboundmedicine.com/medline/citation/27280451/Association_between_Molar_Incisor_Hypomineralization_in_Schoolchildren_and_Both_Prenatal_and_Postnatal_Factors:_A_Population_Based_Study_ L2 - https://dx.plos.org/10.1371/journal.pone.0156332 DB - PRIME DP - Unbound Medicine ER -