The prevalence of nursing caries in 18 to 60 months old children in Qazvin.

The study was carried out to establish the prevalence of Nursing Caries and its relation and caustive factors in children aged 18 to 60 months coming to Health Care Center weighing more than 2.5 kg. A total of 544 children (314 boys and 230 girls) were included in this study. The prevalence of Nursing Caries in girls was 23.5%, in boys 16.5% and in both sexes 19.5%. In affected children dmft was 3.8 times more than the unaffected children and DMFT of their mothers was higher too. Bottle feeding specially during sleep showed statistically significant increase in nursing caries and so did the duration of feeding with mother's milk. The results agree with those obtained in similar populations and showed that the prevalence of nursing caries is anxiously high.