Advances in power driven pocket/root instrumentation

Anthony Walmsley, Simon Lea, Gabriel Landini, AJ Moses

Research output: Contribution to journalReview article

68 Citations (Scopus)


OBJECTIVES: The primary aim was: "Does power-driven pocket/root instrumentation offer a clinical advantage over hand instrumentation"? Secondary aim was to update knowledge base of power-driven instrumentation post Tunkel et al. (2002). MATERIAL AND METHODS: A literature search of power-driven instruments (in vitro, in vivo and controlled clinical trials) was performed from April 2001 using similar criteria to Tunkel et al. (2002). Primary outcome was whether power-driven instruments offered an advantage over hand instrumentation; secondary outcomes were effect on root surface, effectiveness of new instrument designs, and role of biophysical effects such as cavitation. RESULTS: From a total of 41 studies, 14 studies involved comparison of power-driven devices with hand instrumentation for non-surgical therapy. These were subdivided into new designs of power instrumentation, full-mouth debridement and irrigation and patient acceptance. Use of power-driven instrumentation provides similar clinical outcomes compared with hand instrumentation. Difficulty of pooling studies continues to hinder the drawing of definitive conclusions. CONCLUSION: Newer designs of powered instruments have not shown any benefit when compared with other ultrasonic devices in non-surgical periodontal therapy. New in vitro research shows there is variation in the performance of different tip designs and generators, but its clinical relevance remains unknown.
Original languageEnglish
Pages (from-to)22-28
Number of pages7
JournalJournal of Clinical Periodontology
Issue number8 Suppl
Publication statusPublished - 1 Sept 2008


  • power driven instrumentation
  • scaling and root planing
  • periodontal therapy/non surgical
  • systematic review


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