Fluoridation increases risk of hip fracture in population....but that shouldn't negate fluoridation of water. Would you say that if it was you who fractured your hip because of accumulation of fluoride in your bones?
Fluoride in drinking water and risk of hip fracture in the UK: a ca... - PubMed - NCBI
Lancet. 2000 Jan 22;355(9200):265-9.