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The Desensitizing Treatment Effects of the Laser and Ozone on Dentin Hypersensitivity: In-vivo Comparison

The Desensitizing Treatment Effects of the Laser and Ozone on Dentin Hypersensitivity: In-vivo Comparison

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05853523
Enrollment
44
Registered
2023-05-10
Start date
2021-02-27
Completion date
2022-08-27
Last updated
2023-05-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dentin Sensitivity

Brief summary

The goal of this split mouth clinical trial is to compare clinical efficacy of diode laser and gas ozone in the treatment of dentine hypersensitivity (DHS) of non-carious-cervical lesion. The main questions it aims to answer are: * gas ozone affects dentine hypersensitivity? * diode laser affects dentine hypersensitivity? Participants, affected of DHS , were treated with gas ozone and diode laser.The pain severity was quantified according to the Visual Analogue Scale (VAS) before and after the treatmens.

Interventions

COMBINATION_PRODUCTGas ozone

The application of ozone was performed with the HealOzone System X4 (HealOzon, Kavo, Germany). The dentist adapted the silicon cup stricken on the cervical surface of the teeth. The pumping system created the vacuum and the machine applied high dosage of ozone, equal to 32 g/m3, for 30 second.

COMBINATION_PRODUCTDiode laser and desensitized gel

The dentist applied desensitized gel (JW-Desensitizing Gel, Heydent Gmbh, Germany) directly on the cervical zone of the teeth. Subsequently the irradiation was performed with Wiser III (Wiser, Doctor Smile, Italy) in the desensitizing assisted mode (preprogramed protocol). The protocol provides consecutively steps (not in contact) with 20 second of interval, 808 wavelength, and power incrementation, from 0,2 till 0,6 W. radiating the entire desensitize surface second using the black tip (400 micron). The procedure continued maintaining the tip of the laser on contact with the dentine surface making movement of lawn mowing (brushing technique) for 30 second. Then the surface was rinsed, and the irradiation applied again without the gel.

Sponsors

University of L'Aquila
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Investigator, Outcomes Assessor)

Intervention model description

Split Mouth: all patients involved received both treatments randomly assigned to either the right or left halves of the dentition.

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

* Stimulated dentine hypersensitivity greater than 6 on visual analogue scale (VAS) * DHS affected two teeth, not contiguous, of different mouth semiarch.

Exclusion criteria

* Periodontal surgery in the last 3 month * Use of desensitizing paste in the last 3 month * Pregnant or breastfeeding state * Teeth with caries, reconstructions, pulpits congenital anomalies, fracture, and occlusal interferences.

Design outcomes

Primary

MeasureTime frameDescription
Change from Baseline in Pain on the 10-point Visual Analogue Scale (VAS) immediately after treatment5 minutesTwo stimuli were adopted to assess the degree of dentine hypersensitivities: evaporative test and tactile test. For the evaporative test, the teeth were trigged by a single operator, experienced, and trained, with a jet of air at a pressure of 45-60 psi at a distance of 2 mm from the buccal surface for 35 s. For the tactile test, the pain was triggered using a probe gently touched the dentine exposed in mesiodistal direction. The patient quantified the pain with the visual analogue scale (VAS) giving a value in the range from 1 (minimum pain) to 10 (maximum pain). The highest value of the pain stimulated by the two methods was registered.
Pain on the 10-point Visual Analogue Scale (VAS) at 3 months from treatment3 monthsTwo stimuli were adopted to assess the degree of dentine hypersensitivities: evaporative test and tactile test. For the evaporative test, the teeth were trigged by a single operator, experienced, and trained, with a jet of air at a pressure of 45-60 psi at a distance of 2 mm from the buccal surface for 35 s. For the tactile test, the pain was triggered using a probe gently touched the dentine exposed in mesiodistal direction. The patient quantified the pain with the visual analogue scale (VAS) giving a value in the range from 1 (minimum pain) to 10 (maximum pain). The highest value of the pain stimulated by the two methods was registered.
Pain on the 10-point Visual Analogue Scale (VAS) at 6 months from treatment6 monthsTwo stimuli were adopted to assess the degree of dentine hypersensitivities: evaporative test and tactile test. For the evaporative test, the teeth were trigged by a single operator, experienced, and trained, with a jet of air at a pressure of 45-60 psi at a distance of 2 mm from the buccal surface for 35 s. For the tactile test, the pain was triggered using a probe gently touched the dentine exposed in mesiodistal direction. The patient quantified the pain with the visual analogue scale (VAS) giving a value in the range from 1 (minimum pain) to 10 (maximum pain). The highest value of the pain stimulated by the two methods was registered.

Countries

Italy

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026