Ключевые слова: adult, aesthetic, african, afro, agree, american, arab, background, braces, confidence, confident, cool, curl, curly, dentist, dentistry, ethnicity, expression, fashion, finger, fun, guy, hair, hand, happiness, happy, hygiene, isolated, jacket, looking, male, man, model, mouth, north, patient, person, plastic, pointing, portrait, shirt, showing, side, smile, smiling, standing, teeth, transparent, white, young,