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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. Ohaguro - Wikipedia

   en.wikipedia.org/wiki/Ohaguro

   Teeth blackening. Nishiki-e by Utagawa Kunisada, 1820, from the series Mirrors of the modern boudoir.. Ohaguro (Japanese: お歯黒, pronounced, lit. ' black teeth ') is the name given in Japan to the custom of blackening one's teeth with a solution of iron filings and vinegar.

4. 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]

5. Remineralisation of teeth - Wikipedia

   en.wikipedia.org/wiki/Remineralisation_of_teeth

   Remineralization is a natural process and does not have to involve fluoride. Tooth remineralization is the natural repair process for non-cavitated tooth lesions, [1] [2] in which calcium, phosphate and sometimes fluoride ions are deposited into crystal voids in demineralised enamel. Remineralization can contribute towards restoring strength ...

6. Teeth blackening - Wikipedia

   en.wikipedia.org/wiki/Teeth_blackening

   Teeth blackening or teeth lacquering is a custom of dyeing one's teeth black. It was most predominantly practiced in Southeast Asian and Oceanic cultures, particularly among Austronesian , Austroasiatic , and Kra–Dai-speaking peoples .

7. Dentist reveals 1 easy exercise you can do to stop clenching ...

   www.aol.com/dentist-reveals-1-easy-exercise...

   If you wake up with sore teeth or tight jaw muscles, you might be grinding your teeth at night. Here, dentists and oral pain experts share tips to stop bruxism. Dentist reveals 1 easy exercise you ...