Whitening Efficacy and Tooth Sensitivity of Different Concentrations of Hydrogen Peroxide Photoactivated With Violet or Blue LEDs

Universidade Federal do Para

Status: Completed

Conditions: Bleaching Sensitivity; Color

Treatments: Other: 35% hydrogen peroxide gel + violet LED; Other: 35% hydrogen peroxide gel + blue LED; Other: 6% hydrogen peroxide gel + blue LED; Other: 6% hydrogen peroxide gel + violet LED

Study type: Interventional

Funder types: Other

Identifiers

NCT06165458

UFPara017

Details and patient eligibility

About

This is a randomized, controlled, double-blind and repeated-measures clinical trial evaluated the photoactivation of hydrogen peroxide gels in different concentrations with blue or violet LED in terms of whitening efficacy and tooth sensitivity.

Enrollment: 40 patients

Sex: All

Ages: 18+ years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• at age 18 or older, with good general and oral health;
• possessing all six natural and healthy upper anterior teeth with a color shade of A2 or darker, determined by comparison with the Vita Classic scale;

Exclusion criteria

• pregnant and breastfeeding women;
• individuals with internal tooth discoloration (tetracycline stains, fluorosis or hypoplasias);
• smokers, or those with veneers or restorations on the teeth in questions were excluded;
• gingival recession;
• dentin exposure;
• periodontal disease.

Trial design

Primary purpose: Other

Allocation: Randomized

Interventional model: Factorial Assignment

Masking: Double Blind

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40 participants in 4 patient groups

HP6V

Experimental group

Description:

6% hydrogen peroxide gel + violet LED

Treatment:

Other: 6% hydrogen peroxide gel + violet LED

HP6B

Experimental group

Description:

6% hydrogen peroxide gel + blue LED

Treatment:

Other: 6% hydrogen peroxide gel + blue LED

HP35V

Experimental group

Description:

35% hydrogen peroxide gel + violet LED

Treatment:

Other: 35% hydrogen peroxide gel + violet LED

HP35B

Experimental group

Description:

35% hydrogen peroxide gel + blue LED

Treatment:

Other: 35% hydrogen peroxide gel + blue LED