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Not yet recruitingNCT06518304Updated Aug 21, 2024

Effectiveness of GentleWave System in Endodontic Treatment

An interventional study of GentleWave and Conventional Protocol in Pain, Postoperative, Root Canal Infection and Endodontically Treated Teeth, sponsored by University of Salamanca. Not yet recruiting at 1 site in United States. Open to participants aged 18 Years to 80 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2024-08-21.

Sponsored by University of Salamanca · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Primary completion was expected by Aug 2024, 2 years 1 month ago, but the record still lists the study as not yet recruiting.
Phase
Not applicable
Study type
Interventional
Enrollment
70
Allocation
Randomized
Ages
18 Years to 80 Years
Sex
All
01

Study summary

This study aims to evaluate the efficacy of the GentleWave® System compared to conventional methods in reducing postoperative pain in patients with necrotic pulp or requiring endodontic retreatment.

Read the detailed description

New irrigation modalities such as the GentleWave® System, which integrates advanced multisonic ultrasound technology, have been developed to overcome limitations and improve root canal treatments success rates, by ensuring comprehensive cleaning while minimizing mechanical instrumentation. This system, featuring CleanFlow technology, optimizes the delivery of irrigants and promotes efficient root canal debridement. Postoperative pain is common, usually peaking within the first 24 hours after treatment and decreasing thereafter.

In the presence of necrosis, microorganisms can colonize anatomical complexities, such as isthmuses, ramifications and dentinal tubules causing symptoms such as pain, inflammation, and in some cases even odontogenic sinusitis. Conventional Syringe Irrigation (CSI), which delivers irrigants (NaOCl, EDTA) through a needle-syringe system, often fails to reach the entire working length and the intricate anatomy of the root canal. This inadequacy can result in residual bacteria and necrotic tissue, potentially compromising treatment efficacy and increasing the risk of treatment failure; furthermore, positive pressure exerted during CSI may cause the extrusion of irrigants beyond the apex, leading to complications.

02

Conditions studied

  • Pain, Postoperative
  • Root Canal Infection
  • Endodontically Treated Teeth
03

In context

Tooth, Nonvital

113 studies on the registry are indexed under Tooth, Nonvital; 19 are open to participants now.

This study's planned enrollment of 70 is above the median of 50 across 103 interventional studies indexed under Tooth, Nonvital.

Browse Tooth, Nonvital studies →

Lead sponsor

University of Salamanca is the lead sponsor of 110 studies on the registry; 48 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 80 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Male and female patients from 18 years age or older (maximum of 80 years of age), both genders.
  • The patients in need of an endodontic intervention.
  • All dental groups in both arches were eligible.
  • Patients who do or do not experience symptoms after the endodontic intervention.
  • Patient-signed informed consent/assent form

Exclusion criteria

Exclusion Criteria:

  • Patients\< 18 years old.
  • fractured teeth.
  • Patients who were recommended extraction after the endodontic evaluation.
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Participant)
Enrollment
70 participants (estimated)

Study arms

  • Other
    GentleWave

    Featuring a handpiece CleanFlow technology, optimizes the delivery of irrigants: initially, a 3% NaOCl solution for 3 or 5 minutes, followed by a water rinse for 15 or 30 seconds, an 8% EDTA solution for 2 minutes, and a final distilled water rinse for 15 or 30 seconds. These solutions penetrate and eliminate necrotic tissue, debris, biofilm and bacteria, leaving the dentin intact and preserving the tooth structure. Use of the Gentlewave system is contraindicated in teeth with immature apices, teeth with insufficient coronal structure, and teeth with root apices that extend into the maxillary sinus.

    Other: GentleWave

  • Other
    Control group

    Conventional Syringe Irrigation (CSI), which delivers irrigants (NaOCl, EDTA) through a needle-syringe system. After local anesthesia, the tooth will be isolated with a rubber dam. The pulp chamber will be accessed using ultrasound, eliminating all cavities, restorations with microfiltration or creating access through metal crowns. All canals will be cleaned and shaped with rotary files until at least a canal size of 20.6 or 25.04 is achieved within 0.5 to 1 mm of the apical end. Between each file, 6% NaOCl will be used to disinfect and clean the waste channels. Each canal will then be soaked in 17% EDTA for 1 minute, rinsed with 6% NaOCl, and finally subjected to a final saline rinse. The canals will be filled with root canal sealant and gutta-percha.

    Other: Conventional Protocol

Interventions

  • OtherGentleWave

    GentleWave System employs a degassing process that removes dissolved gases from the solution. This optimization prevents the vapor-lock effect and ensures effective energy transmission through the root canal. As the solution enters the pulp chamber, hydrodynamic cavitation occurs, creating microbubbles that implode and generate sound waves across a broad frequency spectrum

  • OtherConventional Protocol

    Delivers irrigants (NaOCl, EDTA) through a needle-syringe system, often fails to reach the entire working length. This inadequacy can result in residual bacteria and necrotic tissue, potentially compromising treatment efficacy and increasing the risk of treatment failure.

06

What researchers measure

Primary outcomes

  1. To evaluate whether using the Gentlewave system demonstrates a significant reduction in the level of postoperative pain after endodontic treatment measured by the VAS (Visual Analog Scale).

    Pain measurements were made using a VAS (Visual Analog Scale of 0-10. Where the value of 0 represented absence of pain and value 10 represented the greatest intensity of pain.

    Time frame: 24 hours

07

Study locations

1 site
  • City Endodontics
    Manhattan, New York 10016, United States
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 21, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06518304
Lead sponsor
University of Salamanca
Responsible party
Heilyn Nils (Author- Principal Investigator, University of Salamanca) — Principal investigator
First posted
Jul 24, 2024
Start date
Aug 20, 2024 (estimated)
Primary completion
Aug 20, 2024 (estimated)
Completion
Sep 20, 2024 (estimated)
Last update
Aug 21, 2024

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Aug 2024. You cannot join it, but the record below documents what was studied.

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