dentin sensitivity
Conditions
Interventions
It is a split-mouth design, double-blind and equivalence randomized clinical trial, to compare two application protocols. The 35% hydrogen peroxide gel Total Blanc Office H35 (Nova DFL, Rio de Janeiro
Other
E06.420.750
Sponsors
Universidade Federal do Amazonas
Universidade Federal do Amazonas
Eligibility
Age
18 Years to 55 Years
Inclusion criteria
Inclusion criteria: To be included in this study participants had to be aged 18 years or over and had good general and oral health; participants should have at least 6 anterior maxillary sound teeth; at least 1 shade C2 or darker central incisor as assessed by value-oriented shade guide (VITA classical, Vita Lumin, Vita Zahnfabrik, Bad Säckingen, Germany).
Exclusion criteria
Exclusion criteria: Participants with restorations on the labial surface of their anterior teeth and non-carious cervical lesions; with full crowns or veneers; gingival recession; teeth treated endodontically or with spontaneous tooth pain; with internal tooth discoloration; teeth that had fluorosis; pregnant or lactating or had bruxism habits.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Color differences between the baseline condition and post-bleaching (1 week and 1 month) 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 and standard deviations | — |
Secondary
| Measure | Time frame |
|---|---|
| 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;The intensity of tooth sensitivity will be assessed using 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) | — |
Countries
Brazil
Contacts
Public ContactLuciana Mendonça da Silva Martins
Universidade Federal do Amazonas
Outcome results
None listed