Dentin Sensitivity, Dental Bleaching, Prevention.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Candidates must have all the teeth of the upper and lower canine; canine without manifestations of caries and/or restorations; exposed dentin and spontaneous tooth sensitivity; able to sign a consent form; over 18 years; Commit to attend for regular examinations; having good conditions of oral and general health; central incisors to A2 or darker color.
Exclusion criteria
Exclusion criteria: Pacientes who have previously done some bleaching procedure; pregnant or lactating; smokers, patients with tetracycline stains, fluorosis or endodontic treatment; patients with severe periodontitis and bruxists; use of any medication with anti-inflammatory or antioxidant action.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Check the number of patients that report spontaneous pain in any moment of the bleaching protocol and up to 48 h post-bleaching, through self-report. This number will be presented as percentage of patients with tooth sensitivity and will be named absolute risk of tooth sensitivity | — |
Secondary
| Measure | Time frame |
|---|---|
| The intensity of tooth sensitivity will be assessed using the numeric 5-point scale (NRS 0-4) and the visual analogue scale (VAS 0-10) and will be presented as means and standard deviations in different periods (during dental bleaching, up to 1 h, 1 h to 24 h and 24 h to 48 h post-bleaching).;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. The data will be presented as means and standard deviations | — |
Countries
Brazil
Contacts
Universidade Estadual de Ponta Grossa;Universidade Estadual de Ponta Grossa