Ключевые слова: background, bathroom, blue, bottle, breath, brush, care, caries, cavity, clean, concept, copy, dental, dentist, disease, equipment, floss, fluoride, fresh, freshness, glass, health, health care, healthy, hygiene, light, liquid, medical, medicine, morning, mouth, mouthwash, nobody, object, oral, periodontal, product, products, set, space, table, teeth, text, tooth, toothbrush, toothpaste, wash, water, white,