clinical trial for evaluation of Tooth Whitening in different application techniques

Not Applicable

Recruiting

• Conditions: K00.3; Stained teeth

• Registration Number: RBR-9d5n4g
• Lead Sponsor: Faculdade Centro de Pesquisa São Leopoldo Mandic

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2018-05-24
• Last Update Posted: 29 May 2023

Recruitment & Eligibility

• Status: Recruiting
• Sex: Not specified
• Target Recruitment: Not specified

Inclusion Criteria

aged 18 to 30 years, the presence of at least 20 teeth and the presence of the elements 11, 21, 22, 12, 13, 23, 31, 32, 33, 41, 42, 43 healthy or at most 1 / 6 restored labial surface.

Exclusion Criteria

The exclusion criteria of this study are: teeth with initial color B1 assessed by spectrophotometer (VITA Easyshade® Advance, Vita, Germany), patients with removable dentures or fixed and removable orthodontic appliances participants pregnant or breastfeeding, smoking participants, participants with prior dentinal sensitivity, presence of active caries lesions in enamel and dentin, periodontal disease and other oral lesions, pigmented teeth tetracycline and patients who received prior bleaching treatment.

Study & Design

• Study Type: Intervention
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
The expected outcome 1: Whitening of the patients teeth after the whitening treatment, whichever technique is used, verified by means of Vita Classical color scale analysis with values of color differences in the post treatment measurements.

Secondary Outcome Measures

Name	Time	Method
Expected outcome 2: Decreased calcium and phosphorus concentration of dental enamel after the use of bleaching agents, verified by micro-enamel of dental enamel and analysis of microbiopsy done in X-ray fluorescence.