Tooth discoloration
Conditions
Interventions
It will be a blind parallel study. 100 patients will be allocated through randomization in blocks of 2 and 4, according to the tray use protocol. One group will have the upper and lower trays with ind
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
Secondary
| Measure | Time frame |
|---|---|
| The difference in color between the baseline condition and 1 month post-bleaching will be assessed by Vita Classical and with the Vita Easyshade spectrophotometer. Data will be presented as means an standard deviations.;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 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.;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.;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. | — |
Primary
| Measure | Time frame |
|---|---|
| Satisfaction of patients undergoing at-home bleaching, with the simultaneous or individual use of trays. Data collected initially, weekly for two weeks and one month later, through a sequence of questions using the VAS scale (0-10). Values will be presented as mean and standard deviation. | — |
Countries
Brazil
Contacts
Public ContactTaynara Carneiro
Outcome results
None listed