Ключевые слова: alginate, ball, cast, caucasian, clinic, compound, coronavirus, covid19, dental, dentist, denture, doctor, face, female, fingers, forming, gloves, hands, holding, impression, imprint, lump, lying, mask, material, medical, mold, molding, mouth, office, orthodontist, palm, practitioner, professional, putty, shaping, sitting, soft, specialist, sterile, stomatologist, stomatology, surgeon, teeth, tooth, touching, tube, using, woman, worker,