Personality Bleaching

Completed

• Conditions: Personality
• Interventions: Other: Nothing - control group; Other: Bleaching by peroxide carbamide 10%

• Registration Number: NCT02330614
• Lead Sponsor: University of Chile

Brief Summary

128 patients between 18 and 76 years who attended the Operative Dentistry Clinic at Dental School, Universidad de Chile, were included in the study. 58 patients were bleaching (experimental group) and 70 patients don't accepted the bleaching procedure (control group) were included in this study and signed a consent form.Experimental group Patients who agreed to be bleaching were treated with 10% carbamide peroxide (CP) gel (Whiteness Perfect, FGM) to each subject With verbal instructions for 3 weeks with daily applications of 1 hour according to manufacturers indications , before and after this procedure was applied again the NEO-FFI personality test form, had 30 minutes to answer it.Control group:Patients who refused to be bleached were administered the personality test NEO-FFI, had 30 minutes to answer it.

Detailed Description

Data collection NEO-FFI data was collected in a Microsoft Excel data sheet and analyzed by a psychology that was blind to patient's expectations. According to the answers, each scale might get a score between 0 and 50.

Statistical analysis For comparisons between scales between groups of patients were bleaching and who refused to be bleached Mann Whitney test was used.For each pair of scales it was determined if any one of them predominated over its counterpart by Wilcoxon rank test before and after bleaching . To corroborate the statistical power of this study was calculated post-hoc with the NEO-FFI scores values between the comparisons and showed a high statistical power (0.99) by G-Power software.

Study Timeline

• Study Start: 2013-07
• Primary Completion: 2013-12
• Status Verified: 2014-12
• Study Completion: 2014-12
• Study First Submitted: 2014-12-27
• Study First Submitted QC: 2014-12-31
• Last Update Submitted: 2014-12-31
• Study First Posted: 2015-01-05
• Last Update Posted: 2015-01-05

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 128

Inclusion Criteria

• Participants included in this clinical trial were between 18 and 76 years old and had good general and oral health. Each subject had at least one central incisor with shade A2 or darker, assessed by comparison with a value-oriented shade guide (Vita classical, Vita Zahnfabrik, Bad Säckingen, Germany)

Exclusion Criteria

• Participants that had undergone previous dental bleaching procedures during orthodontic treatment, or those that were pregnant or lactating women and participants with bruxism habits, were not included in the trial. Additionally, participants with restorations on the labial surfaces of their anterior teeth and non-carious cervical lesions, veneers or full crowns, with gingival recession, spontaneous tooth pain, internal tooth discoloration, and teeth with endodontic treatment or fluorosis were also excluded from this trial

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Arm && Interventions

Group	Intervention	Description
Control group	Nothing - control group	Patients who refused to be bleached were administered the personality test NEO-FFI, had 30 minutes to answer it.
bleaching patients	Bleaching by peroxide carbamide 10%	Patients who agreed to be bleaching were treated with 10% carbamide peroxide (CP) gel (Whiteness Perfect, FGM) to each subject With verbal instructions for 3 weeks with daily applications of 1 hour according to manufacturers indications , before and after this procedure was applied again the NEO-FFI personality test form, had 30 minutes to answer it.

Primary Outcome Measures

Name	Time	Method
NEO-FFI score	Baseline / 1 month after