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Introducing the GentleWave System
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HOME > Restor Dent Endod > Volume 41(3); 2016 > Article
Reader's Forum Introducing the GentleWave System
Won-Jun Shon
Restorative Dentistry & Endodontics 2016;41(3):235-235.
DOI: https://doi.org/10.5395/rde.2016.41.3.235
Published online: July 26, 2016

Seoul National University, Korea.

©Copyrights 2016. The Korean Academy of Conservative Dentistry.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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What is the GentleWave System and can this be an alternative to conventional root canal treatment?
When treating patients for root canal treatment (RCT), we use instruments and treatment protocols to remove tissue debris, bacteria, and biofilm from the root canal system. However, the root canal system is complex. It has apical-thirds and other complex anatomical areas that cannot be easily reached conventionally. The tissue debris, bacteria, and biofilm remaining in these anatomically challenging areas are what make RCT less predictable. Also, the use of conventional treatments requires the removal of excessive dentin which is necessary for long time success. This, however, has an adverse effect on the integrity of the root and may lead to root fractures, perforations, and even extractions. The GentleWave System (Sonendo, Inc., Laguna Hills, CA, USA) was recently introduced in the US market to provide better solution to these problems and improve treatment outcomes while maintaining the integrity of the tooth. The system was designed for endodontics in contrast to other devices that were adopted from other medical fields.
1. The GentleWave System provides tissue dissolution of eight and ten times faster than ultrasonic devices and needle irrigation, respectively.1
2. The GentleWave System results in negative pressure and zero extrusion at the apex.2,3
3. To use the GentleWave System, the teeth have to be only minimally instrumented e.g.: size 15/04. The resulting fluid dynamics, multisonic sound waves, and sono-chemistry, enable the treatment fluids to penetrate and reach complex areas such as apical-thirds, isthmi, lateral fins, dentinal tubules, and other anastomoses.4,5,6 This cleaning system composes of a portable treatment unit with a single-use sterile handpiece. Irrigant solutions of NaOCl, distilled water and EDTA are included in this cleaning system.
4. Recent clinical study shows that only 3% of the patients experience moderate post-treatment pain, and 97% of successful healing in the teeth treated with the GentleWave System at 12 months.7
Readers' forum is edited by Professor Kyung-Mo Cho (Gangneung-Wonju National University).
  • 1. Haapasalo M, Wang Z, Shen Y, Curtis A, Patel P, Khakpour M. Tissue dissolution by a novel multisonic ultracleaning system and sodium hypochlorite. J Endod 2014;40:1178-1181. PubMed
  • 2. Haapasalo M, Shen Y, Wang Z, Park E, Curtis A, Patel P, Vandrangi P. Apical pressure created during irrigation with the GentleWave system compared to conventional syringe irrigation. Clin Oral Investig 2015 10 26 . [Epub ahead of print].ArticlePubMedPDF
  • 3. Charara K, Friedman S, Sherman A, Kishen A, Malkhassian G, Khakpour M, Basrani B. Assessment of apical extrusion during root canal irrigation with the novel GentleWave system in a simulated apical environment. J Endod 2016;42:135-139. ArticlePubMed
  • 4. Ma J, Shen Y, Yang Y, Gao Y, Wan P, Gan Y, Patel P, Curtis A, Khakpour M, Haapasalo M. In vitro study of calcium hydroxide removal from mandibular molar root canals. J Endod 2015;41:553-558. PubMed
  • 5. Molina B, Glickman G, Vandrangi P, Khakpour M. Evaluation of root canal debridement of human molars using the GentleWave system. J Endod 2015;41:1701-1705. PubMed
  • 6. Vandrangi P. Evaluating penetration depth of treatment fluids into dentinal tubules using the GentleWave system. Dentistry 2016;6:366. . [Epub ahead of print].Article
  • 7. Sigurdsson A, Garland RW, Le KT, Woo SM. 12-month healing rates after endodontic therapy using the novel GentleWave system: a prospective multicenter clinical study. J Endod 2016;42:1040-1048. ArticlePubMed

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        Introducing the GentleWave System
        Restor Dent Endod. 2016;41(3):235-235.   Published online July 26, 2016
        DOI: https://doi.org/10.5395/rde.2016.41.3.235
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