Ключевые слова: appliance, background, battery, beauty, bleaching, blue, breath, brush, care, cavity, clean, close, color, copy, daily, dental, dentist, electric, equipment, fresh, head, health, healthy, hygiene, instrument, lifestyle, medical, morning, mouth, object, oral, periodicity, personal, prevention, protection, routine, safety, single, smile, space, teeth, text, tooth, toothbrush, treatment, up, wash,