THE BULLETIN OF TOKYO DENTAL COLLEGE

Vol. 47 No. 4      November 2006

ISSN: 0040-8891      UBIC: 66

Abstract

The aim of this study was to investigate the characteristics and risk factors of prolonged breast-feeding in children. A total of 105 children aged 18 months were screened for ongoing breast-feeding at a public health center. Of these, 105 children were selected for a more comprehensive examination, involving investigation of dietary, tooth-brushing habits and oral hygiene. The children were examined again, and initial and manifest caries were recorded at 24 months of age. As a result, 20 (19.0%) of the 105 children had caries at 24 months of age. Logistic regression analysis revealed an association between caries and bedtime breast-feeding (p = 0.003). Oral hygiene at 18 months of age was also correlated with caries (p = 0.015). It was concluded that reducing the frequency of feeding, early establishment of good oral hygiene habits and also regular visits to the dentist are essential in preventing nursing caries in prolonged breast-fed children. Key words: Dental caries. Breast-feeding. Risk factor. Japanese infant

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