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Demarcated opacity in primary teeth increases the prevalence of molar incisor hypomineralization.
Braz Oral Res. 2019 Aug 15; 33:e048.BO

Abstract

This cross-sectional study aimed to assess the prevalence of molar incisor hypomineralization (MIH) and its relationship with the number of primary teeth with developmental defects of enamel (DDE). A representative population-based sample of 731 schoolchildren was randomly selected from the public school system in Curitiba, Brazil. Schoolchildren aged 8 years with fully erupted permanent first molars and incisors were eligible for the study. MIH and DDE were classified by four calibrated examiners (kappa > 0.75) according to EAPD criteria and to the FDI-modified DDE index. Clinical data were collected in a school environment. Socioeconomic information was collected through a self-administered semistructured questionnaire applied to the children's caregivers. Statistical analyses were carried out using Poisson multiple regression with robust variance (α = 0.05). MIH prevalence was 12.1% (95%CI: 10-15), and opacities were the most prevalent defect. Socioeconomic factors were not associated with MIH. Children with demarcated opacity in primary teeth presented a higher prevalence of MIH than those without DDE in primary teeth. In the multiple analysis, the increase of one primary tooth affected by demarcated opacity increased the prevalence of MIH by 33% (PR = 1.33, 95%CI: 1.15-1.53, p < 0.001). Asian children had a higher prevalence of MIH (PR = 2.91, 95%CI: 1.08-8.09 p = 0.035) than did Caucasian children.Conclusion: Based on these findings, the prevalence of MIH in Curitiba was 12.1%. Demarcated opacity in primary teeth could be considered a predictor of MIH.

Authors+Show Affiliations

Universidade Federal do Paraná - UFPR, School of Dentistry , Department of Stomatology , Curitiba , PR , Brazil .Universidade Federal do Paraná - UFPR, School of Dentistry , Department of Stomatology , Curitiba , PR , Brazil .Universidade Federal do Paraná - UFPR, School of Dentistry , Department of Stomatology , Curitiba , PR , Brazil .Universidade Federal do Paraná - UFPR, School of Dentistry , Department of Stomatology , Curitiba , PR , Brazil .Universidade Federal do Paraná - UFPR, School of Dentistry , Department of Stomatology , Curitiba , PR , Brazil .Universidade Federal do Paraná - UFPR, School of Dentistry , Department of Stomatology , Curitiba , PR , Brazil .

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31432924

Citation

Reyes, Magdalena Raquel Torres, et al. "Demarcated Opacity in Primary Teeth Increases the Prevalence of Molar Incisor Hypomineralization." Brazilian Oral Research, vol. 33, 2019, pp. e048.
Reyes MRT, Fatturi AL, Menezes JVNB, et al. Demarcated opacity in primary teeth increases the prevalence of molar incisor hypomineralization. Braz Oral Res. 2019;33:e048.
Reyes, M. R. T., Fatturi, A. L., Menezes, J. V. N. B., Fraiz, F. C., Assunção, L. R. D. S., & Souza, J. F. (2019). Demarcated opacity in primary teeth increases the prevalence of molar incisor hypomineralization. Brazilian Oral Research, 33, e048. https://doi.org/10.1590/1807-3107bor-2019.vol33.0048
Reyes MRT, et al. Demarcated Opacity in Primary Teeth Increases the Prevalence of Molar Incisor Hypomineralization. Braz Oral Res. 2019 Aug 15;33:e048. PubMed PMID: 31432924.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Demarcated opacity in primary teeth increases the prevalence of molar incisor hypomineralization. AU - Reyes,Magdalena Raquel Torres, AU - Fatturi,Aluhê Lopes, AU - Menezes,José Vitor Nogara Borges, AU - Fraiz,Fabian Calixto, AU - Assunção,Luciana Reichert da Silva, AU - Souza,Juliana Feltrin de, Y1 - 2019/08/15/ PY - 2018/10/29/received PY - 2019/04/08/accepted PY - 2019/8/22/entrez PY - 2019/8/23/pubmed PY - 2019/9/4/medline SP - e048 EP - e048 JF - Brazilian oral research JO - Braz Oral Res VL - 33 N2 - This cross-sectional study aimed to assess the prevalence of molar incisor hypomineralization (MIH) and its relationship with the number of primary teeth with developmental defects of enamel (DDE). A representative population-based sample of 731 schoolchildren was randomly selected from the public school system in Curitiba, Brazil. Schoolchildren aged 8 years with fully erupted permanent first molars and incisors were eligible for the study. MIH and DDE were classified by four calibrated examiners (kappa > 0.75) according to EAPD criteria and to the FDI-modified DDE index. Clinical data were collected in a school environment. Socioeconomic information was collected through a self-administered semistructured questionnaire applied to the children's caregivers. Statistical analyses were carried out using Poisson multiple regression with robust variance (α = 0.05). MIH prevalence was 12.1% (95%CI: 10-15), and opacities were the most prevalent defect. Socioeconomic factors were not associated with MIH. Children with demarcated opacity in primary teeth presented a higher prevalence of MIH than those without DDE in primary teeth. In the multiple analysis, the increase of one primary tooth affected by demarcated opacity increased the prevalence of MIH by 33% (PR = 1.33, 95%CI: 1.15-1.53, p < 0.001). Asian children had a higher prevalence of MIH (PR = 2.91, 95%CI: 1.08-8.09 p = 0.035) than did Caucasian children.Conclusion: Based on these findings, the prevalence of MIH in Curitiba was 12.1%. Demarcated opacity in primary teeth could be considered a predictor of MIH. SN - 1807-3107 UR - https://www.unboundmedicine.com/medline/citation/31432924/Demarcated_opacity_in_primary_teeth_increases_the_prevalence_of_molar_incisor_hypomineralization_ L2 - https://www.scielo.br/scielo.php?script=sci_arttext&amp;pid=S1806-83242019000100254&amp;lng=en&amp;nrm=iso&amp;tlng=en DB - PRIME DP - Unbound Medicine ER -