Ключевые слова: adult, assistant, boys, care, caucasian, chair, cheerful, child, clinic, dental, dentist, doctor, elementary, equipment, exam, examining, expertise, glove, happiness, health, healthcare, healthy, hospital, ideas, lifestyle, looking, males, mask, medical, medicine, men, mirror, mouth, occupation, office, open, patient, pediatrician, portrait, procedure, professional, protection, science, smiling, standing, teeth, toothache, tray, trust, visit,