Tooth discoloration
Conditions
Interventions
Forty-five selected volunteers will use 3 bleaching treatments: one group will use custom trays with 10% carbamide peroxide bleaching gel (15 subjects)
the other group will use a whitening mouthrinse (15 subjects) and the third group will use a mouthrinse without bleaching agent (15 subjects). The tray treatment will be performed for 14 days for 2 ho
Procedure/surgery
E06.420.750
Sponsors
Instituto de Ciência e Tecnologia UNESP
Instituto de Ciência e Tecnologia UNESP
Eligibility
Age
18 Years to 55 Years
Inclusion criteria
Inclusion criteria: 18 years old until 55 years old; good general health; abscence of gingival recession, clinical signs of noncarioues cervical lesions or active carie, periodontal disease, fluorosis or enamel deffects; do not use orthodontic devices or removable prothesis; present all the teeth; had not been submited to bleaching treatment previously; avaiability to return in appoitments; teeth color A2 or darker; good gingival condition - abscence of inflammation or irritation
Exclusion criteria
Exclusion criteria: Use of medicine for chronical disease or allergies; somokers; pregnant; participating in another study in the same time; presence of restorations on anterior teeth; use of products fluoride-based or dessensibilizing; tooth sensitivity; bruxism
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| There will be no difference in tooth color change among the groups. Color change determined by visual scales Vitapan Classical and Bleachedguide 3-D Master and spectrophotometer Easyshade | — |
Secondary
| Measure | Time frame |
|---|---|
| Expected Secondary Outcome 1: There will be no difference in tooth sensibility reported among the groups. Tooth sensibility determined by visual analogue scale;Expected Secondary Outcome 2:There will be no difference in gingival condition reported among the groups. Gingival condition determined by Loe index;Expected Secondary Outcome 3: There will be no difference in potential demineralization by bleaching techniques among the groups. The potencial demineralization with enamel microbiopsis;Expected Secondary Outcome 4: There will be no difference in patient satisfaction for bleaching techniques among the groups. Patient satisfaction with a subjective evaluation about bleaching procedures with a questionnaire based on OIDP | — |
Countries
Brazil
Contacts
Public ContactAlessandra Borges
Instituto de Ciência e Tecnolgia
Outcome results
None listed