Abnormal tooth enamel, called enamel fluorosis, is epidemic in fluoridated
communities and this study shows it happens to children's teeth even in the
non-fluoridated rural areas. Either way, breastfeeding longer than 6 months
has protective value to developing normal calcium in tooth enamel without
fluoride deposits.
Judy Ritchie
J Hum Lact. 2003 Nov;19(4):386-90.
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Ab
stract&list_uids=14620452
Breastfeeding is protective against dental fluorosis in a nonfluoridated
rural area of Ontario, Canada.
Brothwell D, Limeback H.
Community Dentistry, Faculty of Dentistry, University of Manitoba, Winnipeg,
MB, Canada.
To determine the relationship between early infant feeding and dental
fluorosis in a non-fluoridated area, 1367 children were examined for
fluorosis and given a water sample vial and questionnaire. 752 families
responded (55%). Breastfeeding was reported by 69% of respondents, with
53.6% breastfed < 6 months, 35.3% 6-12 months, and 11.1% > 1 year. Formula
feeding was reported by 84% of respondents, with 60.3% and 39.7% formula fed
for < 1 year and > 1 year, respectively. Fluorosis prevalence was 23.3% and
was present in 27.2%, 19.6% and 13.8% of children breastfed for < 6 months,
6-12 months, and > 12 months, respectively (P < .05). About 87% of formula
fed children had tap water added to the bottle. Breastfeeding for > 6 months
may protect children from developing fluorosis in the permanent incisors.
This study suggests that dental professionals should support efforts to
increase the rate and duration of breastfeeding.
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