We asked dentists about eight popular ingredients in alternative toothpastes. Here's what they have to say about what they can and can't do.

Medically reviewed by Suzanne Fisher, RD Probiotic toothpaste contains beneficial bacteria that can supposedly improve oral and gut health. While it could be a helpful addition to an existing ...

Consumer Reports explains what you need to know about charcoal toothpaste, which is a popular alternative to traditional toothpaste but can damage your teeth.

Dr. Emami recommends you save your money and just pick a fluoridated toothpaste that tastes good to you. Chances are, if you like the taste, then you will brush long enough to maintain your smile.

Kelly-Anne Waters, a dentist and lecturer at Central Queensland University, says high-fluoride toothpastes provide increased protection to those at high risk of dental decay.

Are whitening toothpastes good for your teeth? Should you share your utensils with your kids? Heart disease and gum disease linked?