Association between molar incisor hypomineralization in schoolchildren and both prenatal and postnatal factors: a population-based study

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dc.creatorLuciana Fonseca Pádua Gonçalves Tourino
dc.creatorPatrícia Corrêa-Faria
dc.creatorRaquel Conceição Ferreira
dc.creatorCristiane Baccin Bendo Neves
dc.creatorPatricia Maria Zarzar
dc.creatorMiriam Pimenta Vale
dc.date.accessioned2024-05-09T20:43:16Z
dc.date.accessioned2025-09-08T23:40:38Z
dc.date.available2024-05-09T20:43:16Z
dc.date.issued2016-06
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1371/journal.pone.0156332
dc.identifier.issn1932-6203
dc.identifier.urihttps://hdl.handle.net/1843/68157
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofPLOS ONE
dc.rightsAcesso Aberto
dc.subjectMolar hypomineralization
dc.subjectPrenatal diagnosis
dc.subjectChild
dc.subjectPrevalence
dc.subjectCross-sectional studies
dc.subject.otherMolar hypomineralization
dc.subject.otherPrenatal diagnosis
dc.subject.otherChild
dc.subject.otherPrevalence
dc.subject.otherCross-sectional studies
dc.titleAssociation between molar incisor hypomineralization in schoolchildren and both prenatal and postnatal factors: a population-based study
dc.typeArtigo de periódico
local.citation.issue6
local.citation.spagee0156332
local.citation.volume11
local.description.resumoBackground: 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.
local.publisher.countryBrasil
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOLOGIA SOCIAL E PREVENTIVA
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOPEDIATRIA E ORTODONTIA
local.publisher.initialsUFMG
local.url.externahttps://journals.plos.org/plosone/article?id=10.1371/journal.pone.0156332

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