dentist in mask with loupe binocularsand assistant working on patient

12to13years 30to34years 35to39years 40to44years 40to49years 45to49years 50to54years 50to59years ability adult appointment assistant bothmaleandfemale caucasianethnicity checkup child childhood color computer concentration cooperation defending dentalhygiene dentist educationalexamination effort electriclight elevatedview europe europeanunion examination female german germany girl headandshoulders highangleview holding horizontal indoors information intelligence knowledge knowledgeable light lyingdown male mask matureadult men