Ключевые слова: adult, background, bleaching, care, caucasian, checkup, choice, cleaning, clinic, color, comparison, contemporary, corresponding, decision, dental, dentist, dentistry, descriptive, doctor, equipment, examining, expertise, female, girl, hand, health, healthcare, holding, hospital, man, medical, medicine, mirror, mouth, office, palette, patient, people, person, professional, sample, smile, toned, tool, tooth, treatment, variation, white, whitening, woman,