Is teeth whitening gel
Teeth-whitening gel contains a peroxide compound that can diffuse through enamel and dentine to break down some stain molecules.
The short answer
Common active ingredients include hydrogen peroxide or carbamide peroxide, which releases hydrogen peroxide. The oxidising reaction changes coloured molecules within tooth structure, while it does not whiten fillings, crowns, veneers, or other restorations.
What is the direct answer?
What does this question mean?
Extrinsic stains from drinks or tobacco may respond differently from internal discolouration caused by injury, medication, fluorosis, or age. A dental examination checks for decay, cracks, exposed roots, and restorations before whitening.
What can you do next?
Follow the stated application time, keep gel off the gums, and stop if significant burning or sensitivity develops. Professional whitening uses fitted trays or an in-office application with isolation chosen for the person’s teeth and gums.
When should you seek dental care?
Untreated decay, leaking fillings, gum inflammation, and exposed dentine can make whitening uncomfortable or require treatment first. Persistent sensitivity or a chemical burn needs dental assessment.
What should you ask the dentist?
No, peroxide gel changes natural tooth colour but does not reliably change the shade of fillings, crowns, veneers, or bonding. Ask how any colour mismatch would be managed.
Frequently asked questions
Will whitening gel change my fillings?
No, peroxide gel changes natural tooth colour but does not reliably change the shade of fillings, crowns, veneers, or bonding. Ask how any colour mismatch would be managed.
What happens during the dental assessment?
Untreated decay, leaking fillings, gum inflammation, and exposed dentine can make whitening uncomfortable or require treatment first. Persistent sensitivity or a chemical burn needs dental assessment.