title: A look at periodontal probing.
authors.forename: R
authors.initials: R
authors.lastname: Johnson
mesh_terms: D006801:Humans; D010510:Periodontal Diseases / Q000175:diagnosis; D010514:Periodontal Pocket / Q000175:diagnosis*; D010517:Periodontics / Q000295:instrumentation; D010518:Periodontitis / Q000175:diagnosis*