This was to determine the prevalence of Molar Incisor Hypomineralisation (MIH) and to evaluate possible causes of
these enamel defects.
The study group consisted of 2,408 10-17 year old children born during 1985-1992 and living in
Dresden (Germany). Enamel defects were recorded using the modified DDE index. Children with enamel defects and their parents were
invited for a re-examination to record the medical history of the children during the first 3 years of life; these children were matched by
age with other children with apparently normal first molars (control group).
135 (5.6) of the children had demarcated
opacities in at least one first molar, i.e. MIH. A significantly higher prevalence of MIH was seen in children born between 1989 and 1991
compared with those born before and after that period (p<0.01). The number of children returning for the medical history questionnaire was low, 31 out of 135 responded (test group). Although there were no significant differences between the test and control groups in terms of peri and neonatal complications or other health problems, the low return precluded any definitive interpretation.
The overall prevalence of MIH in this study was low by comparison with other previous epidemiological reports.
Vol.4 – n.3/2003
Harvard: G. Dietrich, S. Sperling, G. Hetzer (2003) "Molar Incisor Hypomineralisation in a group of children and adolescents living in Dresden (Germany)", European Journal of Paediatric Dentistry, 4(3), pp133-137. doi:
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