Using toothpaste made with fluoride is the key ... I talked to dentists and used their guidance to round up options made with fluoride from brands like Crest, Colgate and Sensodyne.

We compared all the best whitening toothpastes to find the best one that may actually help your teeth brighten up.

The trouble with fluoride is that, at very high levels ... The German children’s toothpaste came only in boring white mint, ...

What’s important to have in that toothpaste? Should it include fluoride, as is recommended for adults? And what about all those chemicals in the ingredients list—do any of them raise concerns ...