Ключевые слова: background, bacteria, bacterial, bathroom, blank, breath, care, cavity, clean, cleaner, composition, copy, daily, dental, dentist, dentistry, different, equipment, flat, floss, fresh, grey, group, health, healthy, hygiene, lay, many, medicine, morning, mouth, mouthwash, nobody, object, oral, periodontal, personal, prevention, product, products, protection, space, teeth, text, tongue, tooth, top, view,