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Hypomineralized second primary molars: Prevalence data in Dutch 5-year-olds

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Author: Elfrink, M.E.C. · Schuller, A.A. · Weerheijm, K.L. · Veerkamp, J.S.J.
Institution: TNO Kwaliteit van Leven
Source:Caries Research, 4, 42, 282-285
Identifier: 240939
doi: doi:10.1159/000135674
Keywords: Health · Children · Developmental disturbances · Epidemiology · Molar-incisor hypomineralization · Primary dentition · Health survey · Molar tooth · Netherlands · preschool child · prevalence · tooth disease · Child, Preschool · Cohort Studies · Dental Health Surveys · Dentition, Primary · Female · Humans · Male · Molar · Netherlands · Prevalence · Tooth Demineralization


The aim of this cross-sectional observational study was to report on the prevalence of hypomineralizations in second primary molars in 5-year-old Dutch children. In the study 386 (45% girls) 5-year-old Dutch children, all insured by a Health Insurance Fund, participated. Scoring criteria for molar incisor hypomineralization molars were adapted to score second primary molars. The prevalence of hypomineralized second primary molars (HSPM) was 4.9% at child level and 3.6% at tooth level. Most HSPMs (87%) showed demarcated opacities, followed by posteruptive enamel loss (40%). Copyright © 2008 S. Karger AG.