Professor, doctor of medical sciences, head of the department of therapeutic, surgical, orthopedic stomatology and stomatology of children's age MI NEFU.Area of scientific activity – studying of specific regional biological and environmental risk factors of formation and development of pathological processes of organs and tissues of an oral cavity, maxillofacial area and their prophylaxis in the conditions of the North. Under its management 8 graduate students for a degree of the candidate of medical sciences were protected. Now is the research supervisor of the graduate students and applicants who are carrying out master's and doctoral dissertations. The author of 5 inventions, 323 scientific works, from them educational and methodical – 16, scientific works – 230 and monographs – 2 (Ushnitsky I. D., Zenovsky V. P. Stomatologic health of the population of the Republic of Sakha (Yakutia). – Arkhangelsk, 2001. – 161 pages; Ushnitsky I. D., Zenovsky V. P., Vilova T.V. Stomatologic diseases and their prophylaxis at inhabitants of the North. – M.: Science, 2008. – 172 pages). The member of the profile commission of the Ministry of Health of the Russian Federation in an odontology of children's age, the member of council of deans of stomatologic faculties of Russia, the member of council of Stomatologic association of Russia, the member of the committee by training of Council of Stomatologic association of Russia, the chief children's stomatologist of the Ministry of Health of the Republic of Sakha (Yakutia), the president of stomatologic association of the Republic of Sakha (Yakutia), the excellent student of health care of the Republic of Sakha (Yakutia) and the Russian Federation. The chairman of public council of State Budgetary Institution RS (Ya) "Children's dental out-patient department" of Yakutsk, the member of the supervisory board of GAU RS (Ya) "Dental out-patient department" of Yakutsk, the research supervisor of unit of maxillofacial and plastic surgery of State Budgetary Institution RS (Ya) "Republican hospital No. 2 – the Center of the emergency medical care", the board member of public council at the Ministry of Health of the Republic of Sakha (Yakutia), the member scientific эскпертного council of State Budgetary Institution RS (Ya) "Republican hospital No. 2 – the Center of the emergency medical care", the member of coordination council of regional public organization "Yakut Medical Chamber", the member of the commission on development of the territorial program of obligatory medical insurance of the Republic of Sakha (Yakutia) is a member of administrative, Scientific and Scientific and technical Councils MI NEFU.