Esthetics, tooth bleaching, diet
Conditions
Interventions
Following the manufacturer directives, all patients will be submitted to two whitening sessions with 35% hydrogen peroxide, with an interval time of one week between each session. Sixty patients will
Other
E06.420.750
Sponsors
Universidade Federal de Pernambuco
Universidade Federal de Pernambuco
Eligibility
Inclusion criteria
Inclusion criteria: For the presente study, it will be selected 60 patients with the following inclusion criteria: Above 18 years-of-age; Front teeth free of caries and periodontal disease; At least one upper central incisor of A2 or darker color.
Exclusion criteria
Exclusion criteria: Patients who have already undergone whitening treatment; Patients with prosthesis or restorations on the labial surface of the front upper teeth; Patients with severe internal alterations of color (fluorosis and stains by tetracycline); Pregnant or lactating women; Smokers; Patients using fixed orthodontic appliances;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Differences in color change (Delta E) after a week of whitening session, measured with a digital portable spectrophotometer (Easyshade-Vita, Brea, California, USA) in accordance with the CIELab system, for differences of at least 5% between the maasurements before and after the intervention. | — |
Secondary
| Measure | Time frame |
|---|---|
| Differences in color change (Delta E) after 30 days of whitening session, measured with a digital portable spectrophotometer (Easyshade-Vita, Brea, California, USA) in accordance with the CIELab system, for differences of at least 5% between the maasurements before and after the intervention. | — |
Countries
Brazil
Contacts
Public ContactRaquel Balaban
Universidade Federal de Pernambuco UFPE
Outcome results
None listed