00552naa#a2200181#i#450# EN\\bibl\21623 20240507020524.2 2077-7566 20131225b2013####ek#y0engy0150####ca RU EFFECT OF CHRONIC GENERALIZED PERIODONTITIS OF MODERATE SEVERITY PATIENTS QUALITY OF LIFE Journal article Ekaterinburg TIRAZH Publishing House 2013 4 с. Journal article local Sabitova R. I. Gulyaeva O. A. Bulyakov R. T. dental-press.ru