We consulted dentists to discover the potential benefits and side effects of fluoride-free, nano-hydroxyapatite toothpaste.

Animal-lovers will be obsessed with the cruelty-free Hello Fluoride Free Whitening Sweet Mint Toothpaste ($4). It is fluoride-free and contains no artificial sweeteners, SLS, or dyes.

The most important thing worth noting about this toothpaste is that the lemon-lavender flavor might not be everyone's cup of tea. Critics say it doesn't give them that same fresh feeling as a mint ...

It's how Crest describes its new, chocolate-flavored toothpaste, Mint Chocolate Trek ($4.99), which hits stores the first week in February. "Got an adventurous spirit or a sweet tooth?" ...