may be ineffective at preventing tooth decay<ref>[http://www.fluoride-journal.com/98-31-2/312103.htm WHY I CHANGED MY MIND ABOUT WATER FLUORIDATION]</ref> | may be ineffective at preventing tooth decay<ref>[http://www.fluoride-journal.com/98-31-2/312103.htm WHY I CHANGED MY MIND ABOUT WATER FLUORIDATION]</ref> |