Volchenko, NataliiaSokolova, IrynaNazaryan, Rosana2015-09-282015-09-282015Volchenko N. Periodontal tissue condition PMA, oral hygiene (OHI-S) in 9–11 y/o / N. Volchenko, I. Sokolova, R. Nazaryan // Inter collegas. – 2015. – № 2 (3). – P. 224–229.https://repo.knmu.edu.ua/handle/123456789/9874The study of education load impact, created by different education systems shows that the increase in intellectual activity volume has an influence on schoolchildren. The influence of increased load is often adverse. The aim of our research was to investigate oral hygiene state and periodontal tissue condition and questionnaire in schoolchildren 9-11 year old, who are enrolled in different education programs (children enrolled in general education program and schoolchildren enrolled in advanced study of foreign languages).enperiodontal tissuechildrengingivitishygiene of oral cavityindexes of hygiene of oral cavityschoolchildreneducation loadArticle