Ключевые слова: 9, annual, background, care, cavity, clinic, color, day, dental, dentist, dentistry, diagnosis, different, february, flat, floss, green, health, hygiene, international, lay, many, march, medical, medicine, model, mouth, nobody, object, oral, plastic, prevention, stomatology, supplies, surgery, teeth, tools, tooth, toothbrushes, toothpick, top, treatment, view, world,