Ключевые слова: analysis, analyzes, biochemistry, biological, biologist, biology, biotechnology, caries, cell, cleaning, clinic, clinical, cloning, covidien19, dentist, development, doctor, face, health, hygiene, jaw, lab, laboratory, male, man, medical, medicine, model, patient, pharmaceutical, practicing, professional, research, researcher, resort, science, scientist, service, specialist, teeth, tests, testtube, the examination, the inspection, tooth, vaccine, virus, visit, worker, young,