Ключевые слова: biometric, check, clinic, cotton, dental, dentist, dentistry, dirty, disease, dna, face, female, girl, gloves, gum, hand, hygiene, hygienist, inside, lady, medical, mouth, open, oral, paternity, patient, person, saliva, sample, skin, swab, take, taking, teeth, test, testing, tooth, treatment, white, woman, women,