What strength carbamide peroxide do dentists use?
Today, most dentists use hydrogen and carbamide peroxide gels between 10-40%, which are chemically activated or by different light sources, such as halogen light, laser or plasma arc , See (Table 1).
How does carbamide peroxide whiten teeth?
Peroxides, such as hydrogen peroxide and carbamide peroxide, contain very volatile oxygen molecules. When these oxygen molecules touch surface stains on your teeth, they react by breaking apart the chemical bonds that hold the stains onto your enamel. This “bleaches” them away and restores the appearance of your smile.
Is carbamide peroxide carcinogenic?
Even though carbamide peroxide and the hydrogen peroxide generated in the whitening process are not proven carcinogens in the oral cavity, they cause local inflammation and mucosal trauma at high concentrations.
What does carbamide peroxide break down into?
Carbamide peroxide is commonly used for at-home bleaching using a tray-based technique and dissociates into hydrogen peroxide (approximately a third of its former concentration) and urea, which further breaks down into water and ammonia 7 , 29 .
Is 16 carbamide peroxide strong?
Conclusion: Carbamide peroxide in 16% and 35% concentration are effective and safe for bleaching discoloured vital teeth, however, 35% concentration gave significantly more lightening effect without additional side effects compared to 16% concentration.
How long does 16% carbamide peroxide take to whiten teeth?
Recommended wear time is 1.5 hours per day for 6% Hydrogen Peroxide. Wear time of 3 to 4 hours per day for the Hybrid Pro, and 6 hours, but better overnight, for 10% and 16% Carbamide Peroxide. After whitening brush teeth. Clean your whitening trays with cool water and a soft toothbrush.
Is carbamide peroxide toxic?
Hydrogen peroxide released from carbamide peroxide can be toxic if swallowed. Swallowing small amounts of low-concentration (up to 14%) carbamide peroxide can cause stomach upset, an episode of vomiting, or throat irritation, but it would not expected to cause any more serious symptoms.
How long does 16% carbamide peroxide take to work?
Amongst the at home bleaching options, carbamide peroxide takes longer to break down and releases approximately 50% of the bleaching power in the first 2 hours, and can be active for 6 hours. Hydrogen peroxide is much faster, takes much less time to be effective, less than 1 hour.
How long should I leave 16 carbamide peroxide on my teeth?
Patients who want a daytime whitening option should use White Dental Beauty 16% carbamide peroxide. Recommended wear time is one to two hours.
Is carbamide peroxide FDA approved?
The FDA considers carbamide peroxide to be safe in oral mucosal injury drug products as an oral wound healing agent, although there is insufficient data to establish general recognition of the effectiveness of this ingredient as an oral wound healing agent 6.
How long do you leave 16% whitening gel on your teeth?
16% Carbamide Peroxide (5.7% Hydrogen Peroxide) = use 1 x 90 minutes/day to overnight, while sleeping, if no sensitivity arises.
Is carbamide peroxide harmful?
Does carbamide peroxide whitening have any side effects?
Background: The scientific literature is lacking on the occurrence of side effects and other safety issues when using carbamide peroxide whitening solutions of concentrations greater than 10%.
Is carbamide peroxide the same as hydrogen peroxide?
Carbamide peroxide is a combination of hydrogen peroxide and carbamide. It has a slightly different chemical makeup. Similar to hydrogen peroxide, carbamide peroxide is also an oxidizing agent. It removes stains the same way hydrogen peroxide does, but at a slower rate.
Does carbamide peroxide cause gingival irritation?
Quadrants receiving the 16% carbamide peroxide solution experienced more gingival irritation than quadrants receiving placebo or 10% carbamide peroxide solution (p > .05).
How much carbamide peroxide do you use to whiten teeth?
Efficacy and safety of 10% and 16% carbamide peroxide tooth-whitening gels: a randomized clinical trial This double-blind randomized clinical trial evaluated the efficacy and safety of two carbamide peroxide concentrations used in at-home vital bleaching.