How Long Should Whitening Gel Be Left on Teeth?

  1. Wear Them Longer If You Can

    • Since various whitening formulas have strengths of bleaching gels ranging from 10 to 22 percent, the amount of time you need to wear them changes as well. Wear lower-strength strips for two to four hours at a time and, in some cases, overnight. For higher-strength gels, use for 30 minutes to one hour and adjust based on your comfort level.

    Pain Can Result From Overuse

    • Wearing whitening strips longer than the prescribed time often results in painful outcomes, including increased discomfort of the gums and increased teeth sensitivity. Following the general application rules and wearing the whitening gel twice a day for 30 minutes will lead to effective whitening of your teeth in seven to 14 days, according to Animated-teeth.com.

    Bottom Line

    • Though you may find it tempting to wear whitening gel longer than directed in order to get whiter teeth, the makers of Crest 3D White suggest following the instructions that come with the product. Longer intervals may result in increased sensitivity and discomfort of the gums and teeth.

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References

  • Photo Credit Teeth and Mouth image by Sujit Mahapatra from Fotolia.com

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