Post-eruptive changes in the color of the hard tissues of the teeth
Conditions
Interventions
A two-arm, double-blind, randomized controlled clinical trial. Experimental group: 58 patients with tooth color changes will be probabilistically allocated between the control and experimental groups.
E06.420.750
Sponsors
Faculdade de Odontologia da Universidade de São Paulo
Universidade Estadual de Ponta Grossa
Eligibility
Age
18 Years to 30 Years
Inclusion criteria
Inclusion criteria: Participants must be in good general and oral health; both canines have to be A2 color or more saturated; both sexes
Exclusion criteria
Exclusion criteria: Pregnant or lactating women; use of medications that may cause photosensitization of the skin; presence of severe tooth discoloration (e.g. tetracycline, fluorosis, etc.); exacerbated dentin sensitivity; presence of carious lesions or previous restorations, crowns, veneers and endodontic treatment on upper and lower anterior teeth; teeth whitening treatment carried out less than 3 years ago
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| It is expected to find a better whitening at the group associated with the violet light. The methods that will be used is: spectrophotometry (Easy Shade), conventional (Color Scale) and photocolorimetry (e.Lab system). The color assessment will be carried out prior to the beginning of the bleaching protocol, 7 (before the second session), 14 (before the third session) days after the beginning and 14, 28 days after the end of the bleaching and temporarily 6 and 12 months after the end of the whitening treatment | — |
Secondary
| Measure | Time frame |
|---|---|
| It is expected that there will be no difference between the groups in relation to the sensitivity that will be measured in the VAS cup at pre-determined times: immediately, one hour, 24 hours and 48 hours after each whitening session | — |
Countries
Brazil
Contacts
Public ContactIsabela Souza Vardasca
Faculdade de Odontologia da Universidade de São Paulo
Outcome results
None listed