Tooth Discoloration
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Volunteers aged at least 18 years, with good general and oral health, teeth free of carious lesions, gingival recessions or periodontal disease in the anterior region, who agree to the informed consent form (ICF) and who have at least one of their canines in A2 color or darker, according to the Vita Classical scale (Vita Zahnfabrik, Bad Säckingen, Germany) will be included in the study.
Exclusion criteria
Exclusion criteria: Volunteers who have previously undergone a whitening procedure, who report previous tooth sensitivity, who have dentures, fixed orthodontic appliances, restorations on the front teeth, endodontic treatment on the front teeth, teeth stained by tetracycline or fluorosis or who have visible cracks will be excluded from the study. In addition, patients who continuously use analgesic or anti-inflammatory medications, pregnant or lactating patients, and those with bruxism habits will be excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| To evaluate the bleaching efficacy after dental bleaching with different concentrations of hydrogen peroxide, using the Vita Classical and Vita Bleachedguide scales (?UEV) and the VitaEasyshade spectrophotometer (?Eab, ?E00 and WID); | — |
Secondary
| Measure | Time frame |
|---|---|
| To evaluate the absolute risk as well as the intensity of tooth sensitivity, using the Visual Analog Scale (VAS) 0-10 after the in-office bleaching procedure with hydrogen peroxide 6 vs. 35%. | — |
Countries
Brazil
Contacts
Universidade Estadual de Ponta Grossa