Tooth
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: minimum of 18 years old; good general health; patients who want to retouching of bleached teeth (bleaching treatment previously); abscence of gingival recession, non carious cervical lesion, active carie or periodontal disease; do not use fixed orthodontic appliances or removable prosthesis; pressent all teeth upper and lower sencond premolars; and avaiability for recurring returns
Exclusion criteria
Exclusion criteria: Chemical dependents, smokers ou alcoholics; medical conditions in which can interfere in volunteer security (medicines for the treatment of chronic diseases or allergic reactions to substances to be used); pregnancy; be in another study in the same period; present bruxism, periapical alterations ou tooth sensitivity
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome is hydrogen peroxide degradation with peroxide titration with potassium permanganate, after 1 week of the end of treatment | — |
Secondary
| Measure | Time frame |
|---|---|
| The secondary outcome is pH alteration of bleaching gel with pH measurement in digital pHmeter, after 1 week of the end of treatment;The secondary outcome is patient's satisfaction with questionaire, after 1 week of the end of treatment | — |
Countries
Brazil
Contacts
Instituto de Ciência e Tecnolgia