Stained teeth
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria: aged 18 to 30 years, the presence of at least 20 teeth and the presence of the elements 11, 21, 22, 12, 13, 23, 31, 32, 33, 41, 42, 43 healthy or at most 1 / 6 restored labial surface.
Exclusion criteria
Exclusion criteria: The exclusion criteria of this study are: teeth with initial color B1 assessed by spectrophotometer (VITA Easyshade® Advance, Vita, Germany), patients with removable dentures or fixed and removable orthodontic appliances participants pregnant or breastfeeding, smoking participants, participants with prior dentinal sensitivity, presence of active caries lesions in enamel and dentin, periodontal disease and other oral lesions, pigmented teeth tetracycline and patients who received prior bleaching treatment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The expected outcome 1: Whitening of the patients teeth after the whitening treatment, whichever technique is used, verified by means of Vita Classical color scale analysis with values of color differences in the post treatment measurements. | — |
Secondary
| Measure | Time frame |
|---|---|
| Expected outcome 2: Decreased calcium and phosphorus concentration of dental enamel after the use of bleaching agents, verified by micro-enamel of dental enamel and analysis of microbiopsy done in X-ray fluorescence. | — |
Countries
Brazil
Contacts
Faculdade Centro de Pesquisa São Leopoldo Mandic