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The Association between Molar-Incisor Hypomineralization and Dental Caries with Socioeconomic Status as an Explanatory Variable in a Group of Finnish Children

Author

Listed:
  • Emma Wuollet

    (Department of Oral and Maxillofacial Diseases, Faculty of Medicine, University of Helsinki, P.O. Box 41, FI-00014 Helsinki, Finland)

  • Sakari Laisi

    (Department of Oral and Maxillofacial Diseases, Faculty of Medicine, University of Helsinki, P.O. Box 41, FI-00014 Helsinki, Finland)

  • Satu Alaluusua

    (Department of Oral and Maxillofacial Diseases, Faculty of Medicine, University of Helsinki, P.O. Box 41, FI-00014 Helsinki, Finland)

  • Janna Waltimo-Sirén

    (Department of Oral and Maxillofacial Diseases, Faculty of Medicine, University of Helsinki, P.O. Box 41, FI-00014 Helsinki, Finland
    Department of Oral and Maxillofacial Diseases, Helsinki University Hospital, P.O. Box 670, FI-00029 HUS, Finland)

Abstract

The aim of this study was to investigate if a developmental enamel defect known as Molar-Incisor Hypomineralization (MIH) is associated with dental caries. Socioeconomic status (SES) was examined as a confounding factor between caries and MIH. In this cross-sectional study, 636 children, aged 8 to 13 years, from three towns (two rural areas and one urban area) in Finland were examined for MIH in line with the criteria of the European Academy of Paediatric Dentistry. Caries status for permanent teeth was recorded as decayed, missing and filled teeth (DMFT). Caries experience (DMFT > 0) in the first permanent molars (FPMs) was set as an outcome. SES was determined using a questionnaire completed by parents. The prevalence of MIH was 18.1%. The mean DMFT in FPMs for children with MIH was higher than for their peers, 1.03 ± 1.25 vs. 0.32 ± 0.80 ( p = 0.000, Mann-Whitney U test). In a multivariate analysis using the generalized linear mixed model where locality, SES, age and MIH were taken into account as caries risk indicators, MIH was the strongest risk indicator of caries in FPMs (Odds Ratio: 6.60, 95% Confidence Interval: 3.83–11.39, p = 0.000). According to the study results, children with MIH have a higher risk for dental caries than children without MIH.

Suggested Citation

  • Emma Wuollet & Sakari Laisi & Satu Alaluusua & Janna Waltimo-Sirén, 2018. "The Association between Molar-Incisor Hypomineralization and Dental Caries with Socioeconomic Status as an Explanatory Variable in a Group of Finnish Children," IJERPH, MDPI, vol. 15(7), pages 1-10, June.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:7:p:1324-:d:154146
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    References listed on IDEAS

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    1. Luciana Fonseca Pádua Gonçalves Tourino & Patrícia Corrêa-Faria & Raquel Conceição Ferreira & Cristiane Baccin Bendo & Patrícia Maria Zarzar & Miriam Pimenta Vale, 2016. "Association between Molar Incisor Hypomineralization in Schoolchildren and Both Prenatal and Postnatal Factors: A Population-Based Study," PLOS ONE, Public Library of Science, vol. 11(6), pages 1-12, June.
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    Cited by:

    1. Sarra Altner & Markus Ebel & Valentin Ritschl & Tanja Stamm & Christian Hirsch & Katrin Bekes, 2022. "Treatment of Severe Caries and Molar Incisor Hypomineralization and Its Influence on Oral Health-Related Quality of Life in Children: A Comparative Study," IJERPH, MDPI, vol. 19(5), pages 1-11, March.

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