Calcium buildup—also called calcium deposits, tartar, or calculus—are hardened patches of plaque that form on the teeth. Plaque is a sticky film that coats teeth and contains bacteria. If plaque is ...

Brushing teeth with baking soda (sodium bicarbonate) is a popular way to clean and whiten teeth, either on its own or when included as an ingredient in certain toothpaste. Baking soda toothpaste has ...

Fossils from a huge, rare mosasaur with giant globular teeth have been unearthed in Texas, a new study reveals. The two adult jaw fragments provide insights into the lifestyle of Globidens ...

Looking for an easy way to get whiter teeth without the hassle? You’re not alone. Tooth discoloration is natural, but many of us can't help but want to fix it. Enter teeth whitening kits.

Dealing with a situation where you feel you'd like to have whiter teeth? To overcome this -- and get those pearly whites -- teeth whitening is a solution worth considering, in particular the over ...

From their vibrant leaves to their vital role in the environment, these deciduous trees are the country’s treasures. Their seasonal transformations are a sight to behold. These stunning native trees ...

Your donation makes it possible for us to keep doing this important work, keeping you informed every step of the way to the November election A Chinese man who had 23 teeth extracted and 12 ...