Ключевые слова: ache, age, background, caucasian, dentist, disease, ear, elder, elderly, face, gray, hand, health, hurt, isolated, man, old, pain, painful, pensioner, periodontal, person, portrait, retired, retirement, sadness, senior, sick, sickness, sorrow, stressed, suffer, suffering, tooth, toothache, touch, touching, trouble, worried, worry, wrinkled,