title: [Result of bacteriological studies in cases of difficulties encountered during endodontic treatment of non-vital teeth with periapical lesions].
mesh_terms: D000208:Acute Disease; D000693:Anaerobiosis; D001419:Bacteria / Q000302:isolation & purification*; D002908:Chronic Disease; D003790:Dental Pulp Necrosis / Q000382:microbiology*; D006801:Humans; D010482:Periapical Abscess / Q000382:microbiology*
vernacular_title: Wyniki badań bakteriologicznych w przypadkach trudności w toku leczenia endontycznego powikłanej zgorzeli miazgi zeba