Dentin Sensitivity, Dental Bleaching
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients older than 18 years are included; with good oral and general health; with free maxillary anterior teeth restorations; do not carious lesion present; that have the color of A2 or darker teeth according to the color scale Classical Vita (Vita Zahnfabrik, Bad Säckingen, Germany).
Exclusion criteria
Exclusion criteria: Patients who already underwent tooth whitening, pregnant or lactating patients; who report tooth sensitivity; severe browning (staining tetracycline, fluorosis or endodontics); with parafunctional habits, patients with dental prostheses and appliances Orthodontic and any other oral pathology will be deleted; patients who have systemic symptoms such as problems stomach, heart, kidney and liver, diabetes, hypertension or who are making continuous use of any medication with analgesic action and anti-inflammatory
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Expected outcome: 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 |
|---|---|
| Expected outcome: 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).;Expected outcome: 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- UEPG;Universidade Estadual de Ponta Grossa- UEPG