Influence of the dual whitening on the whitening efficacy and tooth sensitivity

Not Applicable

• Conditions: Vital discolored tooth

• Registration Number: JPRN-UMIN000050164
• Lead Sponsor: ihon University

Brief Summary

The combination of at-home whitening with prefilled 6% hydrogen peroxide using a prefilled tray and in-office whitening with 35% hydrogen peroxide produced higher whitening efficacy than in-office whitening alone. At-home whitening with almost-daily usage between the in-office whitening intervals had better whitening efficacy than at-home whitening used occasionally. The tooth sensitivity during and after each whitening session showed a similar trend regardless of the whitening method employed.

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2023-02-10
• Last Update Posted: 17 October 2023
• Study Completion: 2023-11-16

Recruitment & Eligibility

• Status: Complete: follow-up complete
• Sex: All
• Target Recruitment: 66

Inclusion Criteria

Not provided

Exclusion Criteria

The exclusion criteria were allergy to hydrogen peroxide, periodontal disease, poor oral hygiene, ongoing treatment for a serious, systemic, and chronic disease, pregnancy or breastfeeding, previous whitening treatment, severe tetracycline-induced discoloration (Feinman classification 3 and 4) or fluorosis (Dean's index 3-5), and any other conditions deemed unsuitable by the supervising dentist.

Study & Design

• Study Type: Observational
• Study Design: Not specified