Ключевые слова: adolescent, adult, assistant, care, caucasian, cleaning, clinic, dental, dentist, dentistry, doctor, equipment, exam, examining, expertise, female, girl, glove, health, hygiene, indoor, lying, male, man, mask, medic, medicals, medicine, mirror, mouth, occupation, orthodontist, patient, person, procedure, professional, protective, sitting, staff, surgical, team, team work, teen, teenage, teeth, tooth, uniform, woman, working,