Personality Bleaching

Is the Personality Relevant in the Choice of Bleaching ?

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT02330614

Acronym

NEOFFI

Enrollment

128

Registered

2015-01-05

Start date

2013-07-31

Completion date

2014-12-31

Last updated

2015-01-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Personality

Keywords

personality, bleaching

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.

Interventions

OTHERBleaching by peroxide carbamide 10%

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

OTHERNothing - control group

Only NEO-FFI test , data used as control

Study design

Observational model

CASE_CONTROL

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Yes

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

Design outcomes

Primary

Measure	Time frame
NEO-FFI score	Baseline / 1 month after

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026