Ключевые слова: adult, at, care, cleaning, clinic, clinical, cure, dental, dentist, disease, doctor, drill, drilling, examine, examining, filling, gum, gums, health, help, horizontal, human, hygiene, ill, illness, job, male, man, medical, medicine, mirror, mouth, open, operation, oral, orthodontia, orthodontic, orthodontist, pain, patient, people, person, profession, surgery, technician, teeth, tool, tooth, treat, treatment, uniform, unrecognizable, visit, visiting, work, working,