[Master of Preventive Dentistry (on the 70th anniversary of Professor S. Ulitovsky)].

The article presents information on the biography of a well-known scientist, clinician and teacher, a brilliant dentist, Honored Doctor of the Russian Federation, Doctor of Medical Sciences, Professor Sergei Ulitovsky. His contribution to the development of the preventive direction of domestic dentistry, the engineering of basic methods for assessing and dynamically monitoring the dental health of the population depending on the dental and hygienic status of a person, as well as the development of many classifications of means and objects of individual oral hygiene and individual hygienic prevention programs for patients of various ages.