Dentin Sensitivity
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: At least 40 years old; both genders; to have central incisors of shade A2 or darker; to have or haven't direct composite restorations in the anterior teeth; vital teeth (from premolar to premolar in both arcades); have good general and oral health
Exclusion criteria
Exclusion criteria: Smokers; bruxists; pregnant or breastfeeding women; severe intrinsic dental pigmentation (tetracycline stains, fluorosis); teeth undergoing orthodontic treatment; gingival recession and cervical dentin exposure with previous sensitivity (from teeth 15 to 25 and from teeth 35 to 45); presence of visible enamel cracks; history of spontaneous sensitivity; endodontic treatment (from teeth 13 to 23 and from 33 to 43)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Tooth Sensitivity - evaluate and compare the intensity of tooth sensitivity using the Numerical Rating Scale (NRS) and Visual Analog Scale (VAS). Assess the absolute risk of tooth sensitivity using the NRS and VAS. | — |
Secondary
| Measure | Time frame |
|---|---|
| Efficacy - to evaluate the effectiveness of combined tooth bleaching by evaluating color changes using a Digital Spectrophotometer (VITA Easyshade) using the CIE-L*a*b* system and CIEDE2000, Whiteness Index for Dentistry - WID, scale VITA Classical and VITA Bleachedguide 3D-MASTER scale.;Quality of Life - to evaluate the impact of associated tooth bleaching on quality of life-related to oral health using the Brazilian version of the Oral Health Impact Profile – Aesthetic Questionnaire (OHIP-Aes-Braz). | — |
Countries
Brazil
Contacts
Faculdade de Odontologia da Universidade de Pernambuco