Question 1

How long does teeth whitening last at the dentist on average?

Accepted Answer

Professional teeth whitening typically lasts between six months and three years, with most patients enjoying noticeable brightness for one to two years before considering a touch-up.

Question 2

Does professional whitening damage tooth enamel?

Accepted Answer

When performed by a qualified dentist using approved professional products, whitening does not damage enamel. The peroxide works by oxidizing stain molecules, not by eroding the tooth surface.

Question 3

How soon can I eat and drink normally after a whitening treatment?

Accepted Answer

We recommend avoiding dark-colored foods and beverages for at least 48 hours after your treatment, as your enamel is more porous during this window and stains can set more easily.

Question 4

Can I get my teeth whitened if I have crowns or veneers?

Accepted Answer

Yes, but the restorations themselves will not change color. Many patients whiten their natural teeth first and then have any restorations matched to the new shade for a uniform smile.

Question 5

How often should I get a professional whitening touch-up?

Accepted Answer

Most patients benefit from a professional touch-up every twelve to eighteen months, supplemented by at-home tray maintenance every three to six months for the longest-lasting results.

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19 May how-long-does-teeth-whitening-last-at-the-dentist

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