Fluorosilicic acid induces DNA damage and oxidative stress in bone marrow mesenchymal stem cells

•Fluorosilicic acid is the most used additive for water fluoridation.•Dental fluorosis can be caused by fluorosilicic acid present in drinking water.•DNA damage was caused by fluorosilicic acid in mesenchymal stem cells.•Fluorosilicic acid altered bone mineralization in mesenchymal stem cells.•DNA damage caused by fluorosilicic acid was attributed to oxidative stress.