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  2. Ask the Expert: Does Whitening Mouthwash Really Help ... - AOL

    www.aol.com/news/ask-expert-does-whitening...

    Whitening mouthwashes work the same way a great whitening toothpaste works: By using ingredients to help break down plaque and remove food residue or by staining the teeth white. For the most part ...

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

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

    Certified non-toxic, vegan-friendly, and even microbiome-safe, users say the strips aren’t painful on the teeth or gums. But better still, they work fast: Apply for 30 minutes once a day, every ...

  4. 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 ...

  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]

  6. Fluoride varnish - Wikipedia

    en.wikipedia.org/wiki/Fluoride_varnish

    Fluoride varnish is widely used in the United Kingdom, following guidelines from multiple sources backing its efficacy. Public Health England, a UK government organisation sponsored by the Department of Health, released guidance in 2014 recommending fluoride varnish application at least twice yearly for children and young adults. [13]

  7. Tooth enamel - Wikipedia

    en.wikipedia.org/wiki/Tooth_enamel

    If tooth decay does occur (usually from trauma), dogs can receive dental fillings just as humans do. Similar to human teeth, the enamel of dogs is vulnerable to tetracycline staining. Consequently, this risk must be accounted for when tetracycline antibiotic therapy is administered to young dogs. [56] Enamel hypoplasia may also occur in dogs.