Ключевые слова: assistant, caucasian, clinic, colleagues, dental, dentist, dentistry, dentists office, doctor, drill, drilling, elderly, eye shield, goggles, man, mask, mature, nurse, occupation, office, old, paramedic, patient, people, person, profession, protective clothing, room, safety glasses, seeing, senior, shield, stomatology, surgery, team, teeth, tooth, treatment, white, woman, working,