Ключевые слова: after, bacterium, beautiful, beauty, before, bleach, bleaching, care, ceramic, clean, clear, clinic, close up, closeup, concept, dental, dentist, dentistry, dentition, denture, dirty, face, fresh, happiness, health, healthy, human, hygiene, isolated, laugh, mouth, oral, people, perfect, person, procedure, protection, smile, stomatology, surgery, teeth, therapy, tooth, treat, treatment, unhealthy, white, whiten, whitening, yellow,