%0 Journal Article %T ESTIMATION OF PREVALENCE OF MAIN PERIODONTAL PATHOGENS AT WORKERS OF PETROCHEMICAL PRODUCTION WITH CHRONIC PERIODONTAL DISEASES %A Zaydullin, I.I. %A Karimov, D.O. %A Valeeva, E.T. %A Galimova, R.R. %A Kabirova, M.F. %K petrochemical production, chronic periodontitis, red complex, PCR %J Actual problems in dentistry %D 2018 %N 14 %P 5 %I TIRAZH Publishing House