title: [Etiology and treatment strategy of refractory periapical periodontitis].
authors.affiliation: lingjq@mail.sysu.edu.cn
authors.forename: Jun-qi
authors.initials: JQ
authors.lastname: Ling
authors.forename: Xi
authors.initials: X
authors.lastname: Wei
authors.forename: Hong-yan
authors.initials: HY
authors.lastname: Liu
mesh_terms: D000190:Actinomyces / Q000302:isolation & purification; D000196:Actinomycosis / Q000382:microbiology; D001047:Apicoectomy / Q000379:methods*; D002176:Candida albicans / Q000302:isolation & purification; D002177:Candidiasis / Q000382:microbiology; D013293:Enterococcus faecalis / Q000302:isolation & purification; D005547:Foreign Bodies / Q000150:complications; D016908:Gram-Positive Bacterial Infections / Q000382:microbiology; D006801:Humans; D008866:Microsurgery / Q000379:methods*; D010485:Periapical Periodontitis / Q000209:etiology / Q000382:microbiology / Q000601:surgery / Q000628:therapy; D011842:Radicular Cyst / Q000150:complications; D012387:Root Canal Filling Materials / Q000627:therapeutic use; D012390:Root Canal Therapy / Q000379:methods*
chemical_list: D012387:Root Canal Filling Materials