Ключевые слова: adult, assistance, assistant, boy, caucasian, chair, child, clinic, complaining, dental, dentist, dentistry, doctor, equipment, exam, examining, expertise, females, glove, health, healthcare, healthy, holding, human, job, males, mask, medical, medicine, men, mouth, occupation, office, open, opening, patient, pointing, procedure, professional, protective, teeth, tool, toothache, visit, woman, women, work, working, workwear, young,