Ключевые слова: adult, assistant, care, caucasian, clinic, dental, dentist, dentistry, dentures, doctor, elder, elderly, equipment, expertise, female, grandfather, health, healthcare, healthy, hospital, human, hygiene, implant, indoors, lifestyle, male, man, mature, medical, medicine, men, mouth, occupation, office, old, pain, patient, people, person, professional, retired, retirement, senior, smiling, teeth, toothache, white, woman, working,