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Effectiveness of in-office dental bleaching using 35% hydrogen peroxide with different application tips

Effectiveness of in-office dental bleaching using 35% hydrogen peroxide with different application tips: randomized double-blind clinical trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-9k8ymkm
Enrollment
Unknown
Registered
2022-07-13
Start date
2021-10-04
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

Dentin Sensitivity

Interventions

It will be a double-blind split-mouth study. Forty-eight patients will be selected and will receive bleaching gel in a hemi-arch with a conventional tip and in the other with a brush tip. Randomizatio
E06.420.750

Sponsors

Universidade Estadual de Ponta Grossa
Lead Sponsor
Universidade Estadual de Ponta Grossa
Collaborator

Eligibility

Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Minimum 18 years of age; in good general and oral health; teeth free of carious lesions; without gingival recession and periodontal disease in the anterior region; who agree with the Free and Informed Consent Form (TCLE) and one of their canines should be A2 or darker in color according to the Vita Classical scale

Exclusion criteria

Exclusion criteria: Whitening procedure previously; previous dental sensitivity; dental prosthesis; fixed orthodontic appliance; restorations in the anterior superior teeth; endodontic treatment on anterosuperior teeth; gingival recessions; teeth stained by tetracycline or fluorosis; visible cracks in the teeth; continuous use of medications; pregnant or lactating women; bruxism; smokers

Design outcomes

Primary

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

Secondary

MeasureTime frame
The intensity of tooth sensitivity will be evaluated through the records made by the patients using the visual analogue scale VAS (0-10). Values will be presented as mean and standard deviation.;Absolute risk of tooth sensitivity. Data collected immediately after the bleaching session, up to 1h after, up to 24h after and up to 48h after the procedure, in each session, using the VAS scale (0-10). Percentage of patients with pain will be called absolute risk of tooth sensitivity.

Countries

Brazil

Contacts

Public ContactLaís Bernardi

Universidade Estadual de Ponta Grossa

lais.bernardi@live.com+55 47 99904-6002

Outcome results

None listed

Source: REBEC (via WHO ICTRP)