Postoperative Pain after Treatment Using the GentleWave System: A Randomized Controlled Trial

Daryl Grigsby, Ronald Ordinola-Zapata, Scott B. McClanahan, Alex Fok

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Introduction: Cleaning and shaping are necessary to allow for the delivery of irrigants and medicaments to the apical third of the canal. Standard treatment irrigation generally uses a conventional needle and some frequency of sonic activation. The GentleWave System (GWS; Sonendo, Inc, Laguna Hills, CA) combines irrigant delivery with multisonic activation. This randomized clinical trial aimed to determine if the GWS significantly decreases the incidence and intensity of postoperative pain. Methods: Patients used a numeric rating scale to record their pain level at the 6-hour time point before treatment. All participants were randomly divided into 2 groups and were blind to the treatment they received. The standard (control) group received endodontic treatment with conventional side-vented needle irrigation and ultrasonic activation. The second group received treatment with the GWS. Following treatment, patients used a numeric rating scale to record their pain level at 6, 24, 72, and 168 hours. Results: In the standard treatment group, 72.2% of patients experienced at least 1 occurrence of postoperative pain, whereas in the GWS group, 83.3% of patients experienced at least 1 occurrence of postoperative pain. The highest pain intensity level for both treatments occurred at the 6-hour posttreatment time point. All pain decreased with time after the 6-hour posttreatment time point (P < 1.237e−7). Conclusions: There was no significant difference in the incidence or intensity of postoperative pain after either treatment group. However, both groups reported a statistically significant decrease in pain with time.

Original languageEnglish (US)
Pages (from-to)1017-1022
Number of pages6
JournalJournal of Endodontics
Volume46
Issue number8
DOIs
StatePublished - Aug 2020

Bibliographical note

Funding Information:
Supported by the National Center for Advancing Translational Sciences of the National Institutes of Health Award Number UL1-TR002494 . Supported in part by the American Association of Endodontists Foundation for Endodontics .

Funding Information:
Supported by the National Center for Advancing Translational Sciences of the National Institutes of Health Award Number UL1-TR002494. Supported in part by the American Association of Endodontists Foundation for Endodontics. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. The authors deny any conflicts of interest related to this study.

Publisher Copyright:
© 2020 American Association of Endodontists

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

  • Endodontics
  • GentleWave
  • incidence
  • intensity, irrigation
  • postoperative pain

PubMed: MeSH publication types

  • Journal Article
  • Randomized Controlled Trial

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