Ключевые слова: 9, annual, background, care, cavity, clinic, color, copy, day, dental, dentist, dentistry, diagnosis, february, flat, green, health, hygiene, international, lay, march, medical, medicine, model, mouth, nobody, object, oral, plastic, prevention, space, stomatology, supplies, teeth, text, tooth, toothbrush, top, treatment, view, world,