Are whitening strips bad for your teeth
Whitening strips can cause temporary sensitivity or gum irritation because peroxide contacts enamel and may touch the gingiva.
The short answer
Whitening strips can cause temporary tooth sensitivity or gum irritation because peroxide contacts enamel and may touch the gingiva; risk depends on the product and oral condition.

What is the direct answer?
What does this question mean?
Peroxide oxidises stain molecules in natural enamel but does not change fillings, crowns, veneers, or bonding.
What can you do next?
Follow directions, keep gel off the gums, and stop if discomfort becomes troublesome. A dentist can check for decay, cracks, exposed roots, gum disease, and restorations first.
When should you seek dental care?
Seek care for persistent sensitivity, painful teeth, gum burns, or whitening over untreated decay.
What should you ask the dentist?
Will whitening match restorations, and how should sensitivity or irritation be managed?
Frequently asked questions
Will whitening match restorations, and how should sensitivity or irritation be managed?
Peroxide oxidises stain molecules in natural enamel but does not change fillings, crowns, veneers, or bonding.
What should I do while waiting for care?
Follow directions, keep gel off the gums, and stop if discomfort becomes troublesome. A dentist can check for decay, cracks, exposed roots, gum disease, and restorations first.
