Clinical trial NCT02330614: Personality Bleaching
Official title: Is the Personality Relevant in the Choice of Bleaching ?
Study type: OBSERVATIONAL
Overall status: COMPLETED
Conditions: Personality
Keywords: personality
bleaching
Lead sponsor: University of Chile
Sponsor class: OTHER
First posted: 2015-01-05
Enrollment: 128
Sex: ALL
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: yes
Observational model: CASE_CONTROL
Time perspective: PROSPECTIVE
Sampling method: NON_PROBABILITY_SAMPLE
Study population: 128 patients between 18 and 76 years who attended the Operative Dentistry Clinic at Dental School, Universidad de Chile, were included in the study

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.

Eligibility criteria: 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

Primary outcomes:
measure: NEO-FFI score
timeFrame: Baseline / 1 month after
Secondary outcomes:
Other outcomes:
Locations:
Study officials:
affiliation: University of Chile
name: eduardo fernandez
role: PRINCIPAL_INVESTIGATOR
References: