Researchers have found in a new study that twice-daily brushing with a sodium bicarbonate toothpaste significantly improved ...

The study aimed to compare the caries-preventing effect of a fluoride-free, hydroxyapatite, (Ca5(PO4)3(OH), toothpaste (in test subjects) and toothpaste with sodium fluoride (in positive controls).

The toothpaste contains sodium fluoride, which may not be suitable for everyone. Some users may find the taste of the toothpaste to be too strong.

This is the most basic function of toothpaste, and it is the main reason you will see fluoride in your toothpaste. It comes in a few different forms, such as stannous fluoride and sodium fluoride.

Brands add fluoride to toothpaste in controlled, measured amounts — the FDA sets limits for exactly how much depending on the ...