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Evaluation of the effect of 6% hydrogen peroxide activated with violet LED light on color change and tooth sensitivity after in-office bleaching

Effectiveness of in-office bleaching using hydrogen peroxide 6% with photoactivation LED Violet: double-blind randomized clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-5tj3jm
Enrollment
Unknown
Registered
2019-04-26
Start date
2018-11-01
Completion date
Unknown
Last updated
2025-10-27

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

Conditions

Tooth Discoloration

Interventions

It will be a mouth-divided study for the comparison and sensitivity to hydrogen peroxide with and without LED photoactivation in the dental office whitening. Patients who heard the random response in
Procedure/surgery
E06.420.750
D01.248.497.158.685.750.424
SP5.001.047.158

Sponsors

Universidade Federal do Amazonas
Lead Sponsor
Universidade Federal do Amazonas
Collaborator

Eligibility

Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Patients included in this clinical study should be men and women; with good general and oral health; have six upper and lower anterior teeth without carious lesions or restorations; the upper right incisor should be in color C2 or darker according to the value-oriented Vita Classical color scale (Vita Zahnfabrik, Bad Säckingen, Germany).

Exclusion criteria

Exclusion criteria: Patients will be excluded pregnant or lactating women; smokers; bruxism habits; severe internal tooth discoloration (tetracycline stains, fluorosis, pulpless teeth); gingival recessed; exposed dentine; who took anti-inflammatories, analgesics or antioxidants.

Design outcomes

Secondary

MeasureTime frame
Number of patients that report spontaneous pain in any moment of the bleaching protocol and up to 48 h post-bleaching, through self-report. This number will be presented as percentage of patients with tooth sensitivity and will be named absolute risk of tooth sensitivity.;The intensity of tooth sensitivity will be assessed using the visual analogue scale (VAS 0-10) and will be presented as means and standard deviations in different periods (during dental bleaching, up to 1 h, 1 h to 24 h and 24 h to 48 h post-bleaching).—

Primary

MeasureTime frame
The difference in color between the baseline condition and post-bleaching (1 week and 1 month) will be assessed by Vita Classical and Bleachedguide Vita shade guide as well as with the Vita Easyshade spectrophotometer. The data will be presented as means and standard deviations.—

Countries

Brazil

Contacts

Public ContactPaulo Victor Martinho

Universidade Federal do Amazonas

drpvmartinho@gmail.com+5592981263100

Outcome results

None listed

Source: REBEC (via WHO ICTRP)