Dentin sensitivity
Conditions
Interventions
Upper arch alginate impressions will be made from 86 participants of this study. After disinfection, these impressions will be cast with dental plaster. A 1mm flexible vinyl material will be used to m
Sponsors
Universidade Estadual de Ponta Grossa
Universidade Estadual de Ponta Grossa
Eligibility
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: Volunteers must be at least 18 years old; presenting good general and oral health; absence of caries and restorations in the upper anterior arch; never had performed dental bleaching; not using analgesics and anti-inflammatory drugs; have upper canines in color A2 or darker according to the Vita Classical scale.
Exclusion criteria
Exclusion criteria: Volunteers using dental prostheses or orthodontic devices; have deep satain due to fluorosis or tratracycline; pregnant or lactating women; volunteers with gingival recession, dentin exposure or the presence of visible cracks in the enemel; parafunctional habits.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Expected outcome: The number of patients who report sensitivity after dental bleaching will be convert into a percentage of patients with pain, called absolute risk of tooth sensitivity.;Intesity of tooth sensitivity: will be evaluated using a 5-point numerical scale (NRS 0-4) and a visual analogue scale (VAS 1-10). It will be presented as mean and standard deviation during the three weeks of bleaching procedure. | — |
Secondary
| Measure | Time frame |
|---|---|
| Aiming bleaching efficacy, teeth shade of each participant will be evaluated at the beginning of the study, during treatment and one month after the end of dental bleaching. These data will be registered through the subjective and objective evaluation. For the subjective evaluation, two color shade guides will be used: Vita Classical (Vita Zahnfabrik) and Vita Bleachedguide 3D-MASTER (Vita Zahnfabrik). A spectrophotometer will be used for objective analysis (Easyshade, Vita Zahnfabrik). Data will be presented as color variation at different times.;The aesthetic self-perception will be assessed at the beginning and end of the study through a PIDAQ questionnaire (Psicossocial Impact of Dental Aesthetics Questionnarie) checking the existence of variation in responses before and after tooth whitening. | — |
Countries
Brazil
Contacts
Public ContactAlessandra Reis
Outcome results
None listed