Bleaching Agents
Conditions
Interventions
This is a double-blind, two-arm, randomized controlled clinical trial. Experimental group: 22 participants with discolored teeth, A3 shade or darker according to the Vita Classical shade guide, will r
SP5.312.109.198.455.187
Sponsors
Universidade Federal de Santa Maria
Universidade Federal de Santa Maria
Eligibility
Age
No minimum to 35 Years
Inclusion criteria
Inclusion criteria: Have at least 24 teeth in the mouth. Be interested and available for treatment. Good periodontal health, without the need for interventions. Good general health. Dental elements color A3 or darker according to the Vita Classical shade guide. Caries-free teeth.Teeth without restorative needs
Exclusion criteria
Exclusion criteria: Patients who refuse to participate in the treatment. Pregnant women. Nursing mothers. Smokers. Patients with bruxism or another condition that causes gingival recession and/or dentine exposure. Patients who have already undergone dental bleaching. Patients who report spontaneous sensitivity and/or sensitivity generated by cold drinks and foods. Patients undergoing orthodontic treatment. Patients undergoing periodontal treatment. Patients with ISG >30% of the areas/sites involved. Patients with IPV >30% of the areas/sites involved. Anterior teeth with restoration on the buccal surface. Anterior teeth with veneers or crowns.Teeth with internal staining (tetracycline, fluorosis or endodontic treatment). Endodontically treated anterior teeth.· Patients being treated with anti-inflammatories and/or analgésico
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Expected Outcome 1: Evaluate the color difference between the pre and post-intervention periods verified by measurements with a clinical spectrophotometer and color difference calculation. The color difference will be evaluated and interpreted by the visual acceptability and perceptability thresholds. It is expected to find a mean color difference above 5.4 deltaE units for both treatments, corresponding with excellent whitening outcome according with the acceptability and perceptability thresholds.;Outcome Found 1: An average color difference of 3.38 and 4.48 deltaE 2000 units was observed for the groups treated with 37% carbamide peroxide and 35% hydrogen peroxide, respectively, verified through measurements with a clinical spectrophotometer and calculations of color difference between the pre- and post-intervention periods. The color difference found between the evaluation periods corresponded to good and very good results according to the acceptability and visual perceptibility parameters. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary outcomes were not expected. | — |
Countries
Brazil
Contacts
Public ContactLetícia Durand
Universidade Federal de Santa Maria
Outcome results
None listed