How long does crest whitening last
Whitening fades as new stains accumulate, so the duration depends on diet, tobacco exposure, hygiene, enamel, and the product used.
The short answer
Whitening fades as new stains accumulate, so the duration depends on diet, tobacco exposure, hygiene, enamel, and the product used. The treatment lightens natural teeth, not fillings, crowns, or veneers.
What is the direct answer?
What does this question mean?
Peroxide whitening changes coloured molecules within tooth structure, while coffee, tea, tobacco, and other pigments can later attach to the enamel surface. The starting shade and type of discoloration also affect the visible result.
What can you do next?
Follow the product schedule, brush twice daily, clean between teeth, and reduce frequent exposure to staining drinks or tobacco. Do not repeat whitening over untreated decay or irritated gums without an examination.
When should you seek dental care?
Seek advice for sharp sensitivity, gum irritation, a one-sided dark tooth, or discoloration that does not respond as expected. A darkened tooth can have internal damage and may need treatment rather than cosmetic whitening.
What should you ask the dentist?
Ask what caused the discoloration, whether existing restorations will mismatch, and when a maintenance application would be appropriate. Ask how to manage sensitivity and whether a professional system better fits your enamel and gums.
Frequently asked questions
Can I whiten again when the shade fades?
Maintenance may be possible, but the timing depends on tooth condition, sensitivity, gum health, and the whitening method.
Why did my filling not become lighter?
Whitening agents act on natural tooth structure and do not alter the established colour of many restorative materials.