title: [Systemic therapy for chronic periodontitis: a case report].
authors.forename: Lu
authors.initials: L
authors.lastname: He
authors.forename: Xiao-qian
authors.initials: XQ
authors.lastname: Yu
mesh_terms: D055113:Chronic Periodontitis / Q000628:therapy*; D003757:Dental Implantation; D012534:Dental Scaling; D006801:Humans; D008297:Male; D008875:Middle Aged; D009910:Oral Hygiene; D010485:Periapical Periodontitis / Q000628:therapy*; D016745:Root Planing; D014081:Tooth Extraction