Is whitening bad for your teeth
Tooth whitening acts on stain molecules in enamel and dentine, and its risks depend on the product, concentration, contact time, and the condition of
The short answer
Tooth whitening acts on stain molecules in enamel and dentine, and its risks depend on the product, concentration, contact time, and the condition of the teeth and gums.

What is the direct answer?
What does this question mean?
Peroxide gels break down stain molecules within tooth structure. Whitening does not change the colour of fillings, crowns, veneers, or other restorations.
What can you do next?
Have the teeth and gums checked first, use a suitable product and tray, and follow the stated contact time. Stop if there is significant pain or a chemical burn.
When should you seek dental care?
Seek care for severe or persistent sensitivity, peeling gum patches, a painful tooth, untreated decay, or a sharply uneven result.
What should you ask the dentist?
Peroxide gels break down stain molecules within tooth structure. Whitening does not change the colour of fillings, crowns, veneers, or other restorations.
Have the teeth and gums checked first, use a suitable product and tray, and follow the stated contact time. Stop if there is significant pain or a chemical burn.
Seek care for severe or persistent sensitivity, peeling gum patches, a painful tooth, untreated decay, or a sharply uneven result.
Frequently asked questions
What should I know about the cause?
Peroxide gels break down stain molecules within tooth structure. Whitening does not change the colour of fillings, crowns, veneers, or other restorations.
What can I do at home?
Have the teeth and gums checked first, use a suitable product and tray, and follow the stated contact time. Stop if there is significant pain or a chemical burn.
What treatment might be needed?
Seek care for severe or persistent sensitivity, peeling gum patches, a painful tooth, untreated decay, or a sharply uneven result.
