Opinions expressed by Entrepreneur contributors are their own. If you think about it, toothpaste is pretty gnarly stuff. It’s ooey, gooey and sticks to everything but your teeth. How sweet would it be ...

This short video takes aim at a viral Nano toothbrush that has been promoted heavily on social media. The product claims to stand out because it has 12,000 bristles, compared with about 2,500 on an ...