A Dentist's Guide to Toothpaste

Let's look past the marketing to find the real differences (and similarities) between toothpastes.

A dentist's guide for how to find out what ingredients are in toothpastes and which ones you should be looking out for. What are the differences between the different kinds of fluoride? What is potassium nitrate and why might you want it in your toothpaste? Does whitening toothpaste actually do anything?

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