Tooth discoloration
Conditions
Interventions
It will be a blind mouth-divided study. 120 patients will be allocated, through simple randomization, according to the cutout of the individualized tray. One hemi-arch will receive the cut outlining t
E06.420.750
Sponsors
Universidade Estadual de Ponta Grossa
Universidade Estadual de Ponta Grossa
Eligibility
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: Age between 18 and 60 years; good general and oral health; vital healthy teeth; minimum color A2; agree and sign the informed consent form (TCLE).
Exclusion criteria
Exclusion criteria: Whitening procedure previously; previous dental sensitivity; dental prosthesis; fixed orthodontic appliance; restorations in the anterior superior teeth; endodontic treatment on anterosuperior teeth; gingival recessions; teeth stained by tetracycline or fluorosis; visible cracks in the teeth; continuous use of medications; pregnant or lactating women; bruxism; smokers.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Absolute risk of gingival irritation. Data collected during 14 days using the VAS scale (0-10). Percentage of patients with irritation will be called the absolute risk of gingival irritation. | — |
Secondary
| Measure | Time frame |
|---|---|
| Number of patients who report spontaneous pain at any time during 14 days, using the VAS visual analog scale (0-10). Percentage of patients with pain will be called the absolute risk of dental sensitivity.;The difference in color between the baseline condition and 1 month post-bleaching will be assessed by Vita Classical and Bleachedguide Vita shade guide as well as with the Vita Easyshade spectrophotometer. Data will be presented as means an standard deviations.;The intensity of dental sensitivity will be assessed through the records made by patients using the VAS visual analog scale (0-10). Values ??will be presented as mean and standard deviation.;The intensity of gingival irritation will be assessed through the records made by the patients using the VAS visual analog scale (0-10). Values ??will be presented as mean and standard deviation. | — |
Countries
Brazil
Contacts
Public ContactTaynara Carneiro
Outcome results
None listed