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

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

   Natural teeth whitening options Baking soda. Mixing baking soda with water or hydrogen peroxide can help remove stains from your teeth. Mackie advises that this mixture should not replace your ...

3. Tooth discoloration - Wikipedia

   en.wikipedia.org/wiki/Tooth_discoloration

   To prevent future buildup of extrinsic stains, identification of the cause (e.g., smoking) is required. Intrinsic discoloration generally requires one of the many types of tooth bleaching . Alternatively the appearance of the tooth can be hidden with dental restorations (e.g., composite fillings, veneers , crowns).

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

   www.aol.com/lifestyle/teeth-whitening-safely...

   Brighten up your smile in days or weeks with effective at-home teeth whitening options. ... Home & Garden. Medicare. News. Shopping. Main Menu ...

5. Tooth whitening - Wikipedia

   en.wikipedia.org/wiki/Tooth_whitening

   The nicotine and tar in tobacco, combined with oxygen, turns yellow and over time will absorb into the pores of enamel and stain the teeth yellow. The dark brown to black stains along the gum line of the teeth are the result of the porous nature of calculus immediately picking up the stains from nicotine and tar. Betel chewing. [12] Betel ...

6. Teeth-cleaning twig - Wikipedia

   en.wikipedia.org/wiki/Teeth-cleaning_twig

   A teeth-cleaning twig (in India: datun [1]) is an oral hygiene tool made from a twig from a tree. It can help to prevent tooth decay and gum disease . History

7. Oral hygiene - Wikipedia

   en.wikipedia.org/wiki/Oral_hygiene

   A 1930s poster from the Work Projects Administration promoting oral hygiene. Tooth decay is the most common global disease. [14] Over 80% of cavities occur inside fissures in teeth where brushing cannot reach food left trapped after eating and saliva and fluoride have no access to neutralize acid and remineralize demineralized teeth, unlike easy-to-clean parts of the tooth, where fewer ...