• S H M Derman, C E Lowden, P Kaus, and M J Noack.
• Department of Operative Dentistry and Periodontology, University of Cologne, Cologne, Germany.
• Int J Dent Hyg. 2014 May 1; 12 (2): 141-4.

AimThe aim of this study was to determine the impact of the pocket depth on the effectiveness of an intrapocket anaesthesia gel during SRP in periodontal maintenance patients. Effectiveness was measured by pain levels during SRP via visual analogue scale (VAS) and verbal rating scale (VRS). Secondary endpoint was the evaluation of patients' preferred choice of anaesthesia for SRP.MethodsA total of 638 patients undergoing the periodontal maintenance programme and with the need for SRP participated in this observational study. After SRP, patients filled in questionnaires to record pain levels experienced and anaesthesia preference for future use. Mann-Whitney U-test was used to analyse intergroup difference in pain perception and anaesthesia choice.ResultsOverall, increasing pocket depths were accompanied by higher pain levels, irrespective of maximum or commonest pocket depths (P < 0.05). For SRP procedures, patients definitely prefer the anaesthesia gel (72.4%).ConclusionsIn this study, an effectiveness of local anaesthesia gel (lidocaine/prilocaine) related to pocket depths was found in periodontal maintenance patients during SRP. Increasing pocket depths were accompanied by increasing procedural pain levels. Nevertheless, the anaesthesia gel is well accepted and in the majority of cases was found to be the preferred option for future SRP treatments.© 2013 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

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