European Archives of Paediatric Dentistry

, Volume 17, Issue 2, pp 123–129 | Cite as

Molar incisor hypomineralisation (MIH): correlation with dental caries and dental fear

  • I. Kosma
  • A. Kevrekidou
  • V. BokaEmail author
  • K. Arapostathis
  • N. Kotsanos
Original Scientific Article



This cross-sectional study was to investigate correlations between molar incisor hypomineralisation (MIH), dental caries and child dental fear.

Materials and methods

The subjects in the study were representative samples of 8 and 14 year old children from three Greek cities (total N = 2335). Dental examinations were performed by one calibrated examiner in classrooms, after the children had brushed their teeth, using an intraoral mirror and artificial room light supplemented by a penlight. All the children completed the children’s fear survey schedule—dental subscale (CFSS-DS) questionnaire. MIH scores were recorded using EAPD criteria and dental caries experience by DMFS/dmfs index. Data were analysed with the Chi-squared (χ 2), Mann–Whitney and Spearman’s rank correlation coefficient tests.


The mean DMFS in children with MIH (8-year olds: 1.60 ± 2.01, 14-year olds: 4.60 ± 4.41) was statistically significantly higher than children without MIH (8-year olds: 1.01 ± 1.78, 14-year olds: 3.46 ± 4.28) (p < 0.001 for both age groups). Children with severe MIH had statistically significantly higher mean DMFS scores than children with mild or no MIH (p < 0.001), while the dmfs of the 8 year olds were unrelated to their MIH status (p = 0.332). Caries experience was associated with the MIH status of the first permanent molars in both age groups (p < 0.001). The mean CFSS-DS scores did not differ significantly between the groups of children without (26.2 ± 9.9) or with MIH (26.5 ± 9.6) (p = 0.339), regardless of MIH severity.


A positive association between MIH and dental caries was confirmed and a lack of association found between MIH and dental fear in Greek children.


MIH Dental caries Dental fear 



We express our gratitude to all the children for their willingness to participate in this study and to the school authorities for the excellent cooperation. We also thank Dr Zoe Tzelepi, DDS, for her volunteer assistance during our visits to the schools.


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Copyright information

© European Academy of Paediatric Dentistry 2016

Authors and Affiliations

  • I. Kosma
    • 1
  • A. Kevrekidou
    • 1
  • V. Boka
    • 1
    Email author
  • K. Arapostathis
    • 1
  • N. Kotsanos
    • 1
  1. 1.Department of Paediatric Dentistry, Dental SchoolAristotle University of ThessalonikiThessalonikiGreece

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