%0 Journal Article %T HYGIENIC CONDITION OF THE ORAL CAVITY AND THE LEVEL OF HYGIENE KNOWLEDGE AMONG WORKERS OF PETROCHEMICAL PRODUCTION %A Sabitova, R.I. %A Kabirova, M.F. %A Shakirov, D.F. %K %J Actual problems in dentistry %D 2016 %N 12 %P 4 %I TIRAZH Publishing House