Add Yahoo as a preferred source to see more of our stories on Google. How does purple toothpaste work? It uses color theory’s principle of complementary colors. Complementary colors are shades that ...

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Thanks for your great questions, Amelia. I’m a dentist, so I know a bit about how toothpaste works and what we used before it was invented. Toothpaste makes your mouth smell fresh and feel clean. If ...

Selecting the right toothpaste is crucial for maintaining excellent dental hygiene and preventing oral health issues. With so ...

Many people want whiter teeth, but professional treatments can be pretty pricey. For those of us that don’t want to break the bank with a specialised treatment, the best whitening toothpastes are an ...