Periodontal probing: interinvestigator discrepancies and correlations between probing force and recorded depth.
D000328:Adult; D003945:Diagnosis, Oral / Q000295:instrumentation; D003951:Diagnostic Errors; D006801:Humans; D010510:Periodontal Diseases / Q000175:diagnosis*; D010512:Periodontal Index; D011312:Pressure