Ключевые слова: adult, brush, care, caucasian, clean, clinic, closeup, dental, dental equipment, dental health, dental hygienist, dentist, dentist office, dentistry, denture, doctor, equipment, expertise, glove, hand, health, healthcare, holding, hygiene, indoor, instrument, laboratory, male, man, medical, medicine, mouth, office, oral, orthodontist, people, polish, professional, steel, sterile, stomatology, surgery, table, technology, teeth, tool, tooth, treatment, working,