1. 1. Abdurakhmanov G.G. Clinical, epidemiological and environmental aspects of the incidence of periodontitis in the adult population of rural areas of the Republic of Dagestan: abstract of the dis. ... candidate of Medical Sciences, Moscow, 2009, 26 p. (In Russian).
2. 2. Alimsky A.V. Epidemiology of dental diseases. Epidemiology and prevention of dental diseases: CSRID.M., 1987, 18: 5—10 (In Russian).
3. 3. Alimsky A.V. Features of the spread of periodontal diseases among the elderly and pre-clone age. Stomatology for All / Int. Dental Review. 2000, no.2: 46—49 (In Russian).
4. 4. Dakhiltov M.U. Epidemiological study of the prevalence and intensity of dental and periodontal diseases in the population of the Republic of Ingushetia, determination of the need for dental care: abstract of the dis. ... candidate of Medical Sciences, Moscow, 2001, 26 p. (In Russian).
5. 5. Rasulov I. M. The role of environmental and epidemiological studies in dentistry. Materials of the second Republican Conference "New technologies in Medicine". Makhachkala, 2003: 329—331 (In Russian).