dental office. the dentist shows the child how the ultraviolet lamp works to harden the filling on the arm

care caries checkup child clinic closeup cure curing dental dentist dentistry doctor equipment examination filling health healthcare healthy hospital hygiene instrument lamp laser led light medical medicine mouth nanocomposite open oral orthodontic orthodontist patient person photopolymer procedure professional specialist stomatology surgery teeth tool tooth toothache treatment ultraviolet visit white work