Ключевые слова: abstract, background, care, caries, clean, clinic, concept, copy, crown, day, dent, dental, dentist, dentistry, denture, doctor, emblem, enamel, flat, greeting, happy, health, health care, healthy, hospital, hygiene, implant, isolated, medical, medicine, oral, prosthesis, root, shape, sign, smile, space, symbol, technology, teeth, tooth, toothache, toothbrush, treatment, white, whitening, world, yellow,