Your Teeth and How to Keep Them

By studying the anatomy of a tooth and learning about the functions of the many structures, we can better understand the basics of maintaining good oral health and why it is so important to avoid cavities. Let's take a look at... The crown is the part of the tooth you see when you look in your mouth. The crowns of your back teeth have pointed cusps and depressions. When you chew, the cusps of the teeth in one jaw fit into the depressions of the teeth in the other jaw. The root portion of a tooth anchors the tooth in the jawbone. It is hidden by gums. The root makes up about two-thirds of the total length of the tooth. [...]