Ключевые слова: apparatus, applying, beauty, bleaching, care, caucasian, cavity, clinic, dental, dentist, dentistry, device, doctor, enamel, equipment, gloves, goggles, hardware, health, instrument, light, lip, lying, man, medicine, mouth, oral, orthodontist, patient, procedure, process, retractor, stomatology, teeth, tool, treatment, ultraviolet, whitening,