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Effect of irradiation with violet light on the clinical performance of dental bleaching of low concentration bleaching agents.

Effect of irradiation with violet light on the clinical performance of dental office whitening performed with 6% hydrogen peroxide containing TIO2_N nanoparticles and their impact on quality of life - Randomized Clinical Study.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-8pbydg
Enrollment
Unknown
Registered
2017-08-29
Start date
2017-07-01
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 staining

Interventions

Forty volunteers were initially selected according to the proposed inclusion and exclusion criteria, randomly distributed into four experimental groups (n = 10): (PH35) 35% hydrogen peroxide - control
E06.420.750
E02.594.540

Sponsors

Faculdade de Odontologia de Araraquara
Lead Sponsor
Faculdade de Odontologia de Araraquara
Collaborator

Eligibility

Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Young adult patients from Araraquara and surrounding regions; over 18 years of age; of both genders; with good general health condition; who Have teeth from 14 to 24 and from 34 to 44 healthy and aligned; without lesions of caries; hypoplasia of the enamel; staining by tetracycline or fluorosis > TF2.

Exclusion criteria

Exclusion criteria: Infants; Pregnant women; Smokers; Patients with parafunctional habits (bruxism and / or tightening); Gingival recession; Incisal wear; injuries Of erosion; Abrasion or abfraction; Chronic analgesic / anti-inflammatory users and desensitizing toothpaste.

Design outcomes

Primary

MeasureTime frame
To determine the clinical performance of low concentration bleaching agents PH6% + TIO2_N, by means of photocatalysis with laser / blue LED and violet.—

Secondary

MeasureTime frame
Determination of the impact of bleaching protocols on the quality of life of volunteers, by means of filling in specific fiches - PIDAq.—

Countries

Brazil

Outcome results

None listed

Source: REBEC (via WHO ICTRP) · Data processed: Feb 20, 2026