Presence of molar-incisor hypomineralization is associated with dental caries in brazilian schoolchildren

dc.creatorLunna Farias
dc.creatorIsla Camilla Carvalho Laureano
dc.creatorLiege Helena Freitas Fernandes
dc.creatorFranklin Delano Soares Forte
dc.creatorFabiana Vargas Ferreira
dc.creatorCatarina Ribeiro Barros de Alencar
dc.creatorHeitor Marques Honório
dc.creatorAlessandro Leite Cavalcanti
dc.date.accessioned2025-06-03T16:17:11Z
dc.date.accessioned2025-09-09T00:50:45Z
dc.date.available2025-06-03T16:17:11Z
dc.date.issued2021
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipOutra Agência
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1590/1807-3107bor-2021.vol35.0013
dc.identifier.issn1807-3107
dc.identifier.urihttps://hdl.handle.net/1843/82750
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofBrazilian Oral Research
dc.rightsAcesso Aberto
dc.subjectDental enamel hypoplasia
dc.subjectDental caries
dc.subjectEpidemiology
dc.subjectDemography
dc.subject.otherDental enamel hypoplasia
dc.subject.otherPediatric dentistry
dc.subject.otherEpidemiology
dc.titlePresence of molar-incisor hypomineralization is associated with dental caries in brazilian schoolchildren
dc.typeArtigo de periódico
local.citation.spagee013
local.citation.volume35
local.description.resumoThis study aimed to identify the prevalence of molar-incisor hypomineralization (MIH) in schoolchildren and its association with dental caries experience. This was a cross-sectional study with a sample of 471 children aged 8 to 10 years. Data were collected via a sociodemographic questionnaire. Intra-oral clinical examination was done to identify and diagnose MIH (EAPD Criteria) as well as dental caries (ICDAS Index). Statistical analyses were performed with Person’s Chi-square, Fisher’s exact, and Mann-Whitney tests, and Poisson regression models were built. Statistical significance was set at an alpha-level of 0.05. The prevalence of MIH in our participants was 9.8%, with lesions being mostly of the mild form (65.2%) and affecting the first permanent molars but not the incisors in 54.2% of the children. Dental caries was observed in 88.1% of subjects. We observed a significant association between dental caries and the following variables: presence of MIH (p < 0.01; PR = 1.13), dental visit (p < 0.02; PR=0.92), and parents or legal guardians’ education level (p < 0.05; PR = 1.07). A MIH diagnosis was also significantly associated with family income (p < 0.05; PR = 4.09). Children with MIH had more caries lesions on molar surfaces (p < 0.01; PR = 4.05). The prevalence of MIH was found to be moderate, based on previous studies, and the presence of enamel defect was associated with dental caries. The teeth most affected by MIH lesions were the first permanent molars.
local.identifier.orcidhttps://orcid.org/0000-0002-4077-6706
local.identifier.orcidhttps://orcid.org/0000-0002-6621-1834
local.identifier.orcidhttps://orcid.org/0000-0001-6431-7857
local.identifier.orcidhttps://orcid.org/0000-0003-4237-0184
local.identifier.orcidhttps://orcid.org/0000-0003-3567-4737
local.identifier.orcidhttps://orcid.org/0000-0002-8718-8311
local.identifier.orcidhttps://orcid.org/0000-0003-0231-3409
local.identifier.orcidhttps://orcid.org/0000-0003-3572-3332
local.publisher.countryBrasil
local.publisher.departmentFAO - DEPARTAMENTO DE ODONTOLOGIA SOCIAL E PREVENTIVA
local.publisher.initialsUFMG
local.url.externahttps://www.scielo.br/j/bor/a/MzFYH7CRnqM8chTk4Spzs8M/?lang=en

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