Ключевые слова: background, bleaching, care, caries, cavity, check, clean, clinic, closeup, color, decay, dental, dentist, dentistry, educational, exam, health, healthy, hygiene, instrument, learn, material, medic, medical, medicine, mirror, model, mouth, object, oral, plastic, prevention, shape, small, smile, stomatology, study, table, teeth, tool, tooth, treatment, white, whitening,