Fluoride supplements, dental caries and fluorosis: A systematic review -- Ismail and Hasson 139 (11): 1457 -- The Journal of the American Dental Association

"The current recommendations for use of fluoride supplements during the first six years of life should be re-examined." Journal of the American Dental Association "There is weak and inconsistent evidence that the use of fluoride supplements prevents dental caries in primary teeth... Mild-to-moderate dental fluorosis is a significant side effect."

Fluoride supplements, dental caries and fluorosis: A systematic review -- Ismail and Hasson 139 (11): 1457 -- The Journal of the American Dental Association: