differences among tooth whiteners

Patients are asking about the differences among tooth whiteners.

Whitening toothpastes (Colgate Total Whitening, etc) use abrasives to polish and chemicals to break up surface stains...but they don't remove deeper stains.

OTC whitening strips, paints, and gels (Aquafresh White Trays, etc) usually use peroxide to penetrate tooth enamel and bleach out stains that can't be scrubbed away.

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