Crest white strip comparison
Whitening strips differ by peroxide formulation, contact time, fit, and label directions, so compare ingredients and use rather than name alone.
The short answer
Whitening strips differ by peroxide formulation, contact time, fit, and label directions, so compare ingredients and use rather than name alone. They lighten some natural tooth stains, but they do not change the colour of fillings, crowns, veneers, or other restorations.
What is the direct answer?
What does this question mean?
A strip carries a peroxide gel against the front tooth surfaces. Results depend on the starting shade, stain type, enamel exposure, saliva, placement, and whether the product reaches the area evenly; gum contact can irritate soft tissue.
What can you do next?
Check the active ingredient, directions, expiry date, and intended age range, then follow the label without extending wear time. Stop if you develop marked gum burning, persistent sensitivity, or swelling, and do not use strips over untreated decay or gum disease without dental advice.
When should you seek dental care?
Have a dentist assess tooth pain, cracks, cavities, gum recession, or a single dark tooth before whitening. Professional assessment is particularly important when restorations are visible because whitening can leave an uneven colour boundary.
What should you ask the dentist?
Ask which stain is present, whether the enamel and gums are suitable, and how existing restorations will match afterward. Ask whether a custom tray, in-office treatment, or observation is a better alternative to strips.
Frequently asked questions
Can strips whiten one crown?
No. The crown keeps its existing shade while nearby natural teeth may lighten.
Why do my gums turn white after a strip?
Temporary whitening of the gum can reflect peroxide contact; stop use if irritation persists or hurts.