Ключевые слова: appliance, background, braces, breath, brush, brushing, care, cavity, clean, cleaning, composition, dental, dentistry, dents, different, equipment, everyday, flat, floss, freshness, health, hygiene, instrument, lay, light, many, medical, medicine, mouth, nobody, object, oral, paste, prevention, set, smile, stomatology, teeth, tool, tooth, toothbrush, toothbrushes, top, treatment, view, wooden,