Ключевые слова: background, bacteria, blue, breath, brush, brushing, care, clean, cleaning, container, copy, daily, dental, dentist, dentistry, different, equipment, flat, floss, flossing, fresh, health, healthy, hygiene, lay, light, medical, morning, mouth, object, oral, periodontal, personal, products, protection, safety, smile, space, stomatology, teeth, text, thread, tooth, toothbrush, top, treatment, various, view, wash, whitening,