Dentin sensitivity. Tooth Discoloration.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients with good general health will be included in this study; Age between 18-50 years of age; Good oral hygiene; Absence of caries in the anterior and inferior teeth; Absence of palatal and vestibular restorations; Upper central incisors with A2 or darker shading, which will be evaluated with Vita Classical scale (VITA Classical Shade, Vita Zahnfabrik, Bad Säckingen, Germany).
Exclusion criteria
Exclusion criteria: Patients who have undergone previous bleaching procedures will be excluded; That have restorations on the anterior superior teeth; Who have canal treatment in the anterior teeth; Pregnant and / or breastfeeding; With severe internal discoloration (tetracycline, spots, fluorosis, non-vital teeth); Parafunctional habits such as bruxism; Or any other pathology that may cause sensitivity.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Expected outcome: 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 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