We updated this article in June 2023 to add more information about each featured product, based on extensive research done by our team. If your teeth are looking a little closer to yellow than pearl, ...

"Hydroxyapatite is natural. It is a type of calcium that makes up bones and teeth," says Lai. "Nano-hydroxyapatite relates to ...

Have you ever seen a photo of yourself, checked your smile, and thought, "I could use some teeth whitening"? Well, a lot of us have been there. The good news is that you can give your smile a little ...

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