Show Fluorine Checks Decay A group of men working with hydrofluoric acid in an atomic energy energy energy en en- ergy project have been found to have unusually healthy teeth the Journal of the e American Dental Association says I The phenomenon is cited as additional additional ad ad- evidence that fluorine is valuable in preventing dental de cay The workmen laboring continuously continuously continuously contin contin- in an atmosphere laden with acid fumes were found to have less than halt half the number of dental fillings as others in the I same plant not exposed to the fumes I |