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Association Study on Nutrition in the First Year of Life and Molar-Incisor Hypomineralization (MIH)—Results from the GINIplus and LISA Birth Cohort Studies

Author

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  • Yeganeh Khazaei

    (Department of Conservative Dentistry and Periodontology, University Hospital of Ludwig-Maximilians University of Munich, 80336 Munich, Germany
    Institute for Medical Information Processing, Biometry and Epidemiology, Ludwig-Maximilians University of Munich, 81377 Munich, Germany
    Helmholtz Centre Munich-German Research Center for Environmental Health, Institute of Epidemiology, 85764 Neuherberg, Germany)

  • Carla P. Harris

    (Helmholtz Centre Munich-German Research Center for Environmental Health, Institute of Epidemiology, 85764 Neuherberg, Germany
    Department of Paediatrics, Dr. von Hauner Children’s Hospital, Ludwig-Maximilians University of Munich, 80337 Munich, Germany)

  • Joachim Heinrich

    (Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital of Ludwig-Maximilians University of Munich, 80336 Munich, Germany
    Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Melbourne, VIC 3053, Australia)

  • Marie Standl

    (Helmholtz Centre Munich-German Research Center for Environmental Health, Institute of Epidemiology, 85764 Neuherberg, Germany
    These authors contributed equally to the manuscript.)

  • Jan Kühnisch

    (Department of Conservative Dentistry and Periodontology, University Hospital of Ludwig-Maximilians University of Munich, 80336 Munich, Germany
    These authors contributed equally to the manuscript.)

Abstract

Molar-incisor hypomineralization (MIH) is a condition with specific clinical presentation whose etiology to date still remains unknown. This study prospectively investigated the association between nutrition during the 1st year of life and the presence of MIH in the permanent dentition. Data from 1070 10-year-old children from two prospective birth cohort studies were included. Information on exclusive breastfeeding (EBF) and introduction of 48 food items into the child’s diet was assessed at 4-, 6-, and 12-month time-points. Food diversity was defined according to the number of food items or food groups introduced into the child’s diet and then subsequent categorization into low-, middle- and high-diversity groups was performed. MIH was scored in the permanent dentition at age of 10 years. The statistical analysis included logistic and Poisson hurdle regression models adjusted for potential confounders. EBF, food item and food group diversity at 4-, 6-, 12-month time-points were found to be non-significant in most of the categories for the development of MIH. However, significantly higher odds for the presence of MIH were found for certain categories. Despite the limitation of this study, such as arbitrary cut-offs for categorization of food items, the results of this study suggest the lack of an association between early nutrition in the first year of life and MIH in the permanent dentition.

Suggested Citation

  • Yeganeh Khazaei & Carla P. Harris & Joachim Heinrich & Marie Standl & Jan Kühnisch, 2021. "Association Study on Nutrition in the First Year of Life and Molar-Incisor Hypomineralization (MIH)—Results from the GINIplus and LISA Birth Cohort Studies," IJERPH, MDPI, vol. 18(21), pages 1-11, October.
  • Handle: RePEc:gam:jijerp:v:18:y:2021:i:21:p:11411-:d:668469
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