Impact of caries onset on number and distribution of new lesions in preschool children

ROOS LEROY, DOMINIQUE DECLERCKArticle first published online: 25 JAN 2012

DOI: 10.1111/j.1365-263X.2012.01222.x

© 2012 The Authors. International Journal of Paediatric Dentistry © 2012 BSPD, IAPD and Blackwell Publishing Ltd

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How to CiteLEROY, R. and DECLERCK, D. (2012), . International Journal of Paediatric Dentistry. doi: 10.1111/j.1365-263X.2012.01222.x

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Department of Oral Health Sciences, KU Leuven, Leuven, Belgium

*R. Leroy, Department of Oral Health Sciences, KU Leuven, Kapucijnenvoer 7 Blok a bus 7001, B‐3000 Leuven, Belgium. E‐mail: roos.leroy@med.kuleuven.be

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International Journal of Paediatric Dentistry 2012

Background.  Caries in preschool children remains an important public health issue.

Aim.  To determine (i) which teeth and tooth surfaces are most susceptible to dental caries by age 3, (ii) where do caries lesions develop during 2‐year follow‐up, and (iii) to evaluate the impact of caries onset on the distribution of new caries experience.

Design.  One thousand and fifty seven consecutively born children were recruited in Flanders (Belgium). Parents completed validated questionnaires on oral health‐related behaviour and trained dentists examined the children at ages 3 and 5.

Results.  Children with visible caries experience at age 3 were significantly more vulnerable in developing additional caries during follow‐up. In this group, new caries experience developed primarily in the occlusal and distal surfaces of the mandibular first molars and the occlusal surfaces of the maxillary second and first molars, whereas in the caries‐free group, the occlusal surfaces of both mandibular and maxillary second molars ranked first.

Conclusions.  This paper confirms the higher vulnerability for further caries development in those children with caries experience at age 3. Visible caries develops most frequently in the occlusal surfaces of the second molars: in high‐risk children already by age 3 and in children who were caries free at baseline by age 5.

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