Related Experiment Videos
Clinical evaluation of a dual-activated bleaching system
1Department of Conservative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.
Asian Journal of Aesthetic Dentistry
|July 1, 1993
Summary
This study evaluated a dual-activated bleaching system for discolored teeth. Both 19% and 35% hydrogen peroxide concentrations effectively lightened teeth, with no significant visual difference in results.
Area of Science:
- Dentistry
- Dental Materials
Background:
- Tooth discoloration is a common aesthetic concern.
- Bleaching is a widely accepted dental treatment for discolored teeth.
Purpose of the Study:
- To assess the efficacy of a dual-activated bleaching system (Hi Lite) using hydrogen peroxide.
- To compare the effectiveness of 19% and 35% hydrogen peroxide concentrations in this system.
Main Methods:
- Twenty-three university students with discolored teeth participated.
- Treatment involved a dual-activated system with 19% and 35% hydrogen peroxide.
- Color change was monitored using Vita Shade Guide and photography.
Main Results:
- Teeth lightened by 1/2 to 2 shades per session.
- One to three sessions were typically needed, except for severe tetracycline staining.
- No significant visual difference in outcomes between 19% and 35% hydrogen peroxide was observed.
Conclusions:
- The dual-activated bleaching system is effective for treating discolored teeth.
- Both tested concentrations of hydrogen peroxide yielded comparable results.
- Minor differences in treatment duration were noted between concentrations.