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2. Dentist-Approved At-Home Teeth Whiteners - AOL

   www.aol.com/lifestyle/dentist-approved-home...

   The best at-home teeth whitening products that are approved by the American Dental Association and contain hydrogen peroxide for a blindingly bright smile.

3. Teeth whitening: What is it, how to do it safely and how to ...

   www.aol.com/lifestyle/teeth-whitening-100042380.html

   Teeth whitening strips are easy-to-use, peel-and-stick strips that you wear on your teeth for 15 to 30 minutes each day. "Most kits come with a 30-day supply and are relatively easy to use," says ...

4. Cosmetic dentistry - Wikipedia

   en.wikipedia.org/wiki/Cosmetic_dentistry

   Whitening, or "tooth bleaching", is the most common cosmetic dental procedure.Whitening is a safe process that is effective for most patients. Multiple whitening options are available, including over the counter products such as Crest Whitestrips, as well as dentist-supervised methods such as in-office treatments or at-home treatments involving trays with a peroxide gel.

5. Tooth whitening - Wikipedia

   en.wikipedia.org/wiki/Tooth_whitening

   Tooth whitening or tooth bleaching is the process of lightening the colour of human teeth. [1] Whitening is often desirable when teeth become yellowed over time for a number of reasons, and can be achieved by changing the intrinsic or extrinsic colour of the tooth enamel . [ 2 ]

6. 11 Teeth Whitening Kits for a Brighter Smile - AOL

   www.aol.com/lifestyle/12-teeth-whitening-kits...

   These convenient, dentist-approved teeth whitening kits use strips, trays, and lights to make teeth whiter and brighter, without making sensitive teeth ache. 11 Teeth Whitening Kits for a Brighter ...

7. Dentin hypersensitivity - Wikipedia

   en.wikipedia.org/wiki/Dentin_hypersensitivity

   Repeated exposures to a low pH cause the mineral content of the teeth on the outer layer of enamel to dissolve therefore leaving the dentine exposed and leading to hypersensitivity. Other causes include dental bleaching, smoking tobacco (which can lead to recession and therefore sensitivity) cracked teeth and abfraction or grinding of teeth ...