Tooth whitening, tooth sensitivity.
Conditions
Interventions
Objective to evaluate, through a randomized clinical trial, the influence of different application times of hydrogen peroxide at 37.5% on the efficaccy and safety of dental bleaching in the office.
Th
Procedure/surgery
E06.420.750
V03.175.250.400
Sponsors
Universidade Federal da Paraíba
Universidade Federal da Paraíba
Eligibility
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: The six maxillary anterior teeth had to be present, with a shade mean C2 or darker; to be at least 18 years of age; the anterior maxillary and mandibular teeth should not have more than 1/6 of the buccal surface covered with a restorative material; to be with good dental and general health.
Exclusion criteria
Exclusion criteria: Individuals with or to be treated for active caries or periodontal diseases; with visible cracks in maxillary or mandibular anterior teeth; evident malocclusion or under orthodontic treatment; parafunctional habits; severe internal tooth discoloration (tetracycline, fluorosis or pulpless teeth); tooth sensitivity; previous bleaching treatment; smokers; pregnant or lactating women.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Expected outcome 1: The primary outcome of the study was the tooth color improvement that was measured with a spectrophotometer. Data were collected at baseline, 1 month, six and twelve months after treatment.;Expected outcome 2: The second primary outcome was the reduction of risk and intensity of tooth sensitivity, which were measured daily (for 21 days), from the first day of treatment, using a numerical rating scale. | — |
Secondary
| Measure | Time frame |
|---|---|
| Improvement of self-perception regarding dental esthetics measured using a visual analog scale before and after treatment. | — |
Countries
Brazil
Contacts
Public ContactSônia Meireles Monte Raso
Universidade Federal da Paraíba
Outcome results
None listed