00819naa#a2200229#i#450# EN\\bibl\55051 20241124061949.7 2077-7566 20221123b2022####ek#y0engy0150####ca RUS RU THE FEATURES OF CHRONIC PERIODONTITIS, COMPLICATED BY FURCATION DEFECTS. CAUSES OF DEFECTS. LITERATURE REVIEW Journal article Ekaterinburg TIRAZH Publishing House 2022 7 с. Journal article local Стоматология. Заболевания ротовой полости и зубов. 616.31 RUS Khabadze Zurab Sulikoevich Gasbanov Magomed-Ali A. Bolyachin Aleksey V. Taberdiev Tahir R. Mordanov Oleg Sergeevich dental-press.ru