Ключевые слова: adult, care, caucasian, cleaning, clinic, concept, conceptual, dental, dentist, dentistry, denture, doctor, equipment, facemask, gloves, guy, health, healthcare, hold, hospital, hygiene, hygienic, implements, instruments, male, man, medical, medicine, mouth, object, occupation, oral, orthodontist, people, periodontal, person, practice, procedure, professional, teeth, tooth, torture, treatment, utensil, utensils, young,