title: [Relation between spirochetes and retrograde pulpitis].
authors.forename: J
authors.initials: J
authors.lastname: Peng
authors.forename: X
authors.initials: X
authors.lastname: Xie
authors.forename: H
authors.initials: H
authors.lastname: Xu
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010514:Periodontal Pocket / Q000382:microbiology; D010518:Periodontitis / Q000382:microbiology*; D011671:Pulpitis / Q000382:microbiology*; D013145:Spirochaetales Infections