Teeth are called incisors, canines, premolars, and molars. Each type of tooth has a specific function, including biting, chewing, and grinding food. Teeth are made up of different layers — enamel, ...

Research groups around the world are working to find ways to implant or grow real biological teeth in a human jaw.

Good dental care is important. Studies have shown that tooth problems are significant factors in school absence. The Centers for Disease Control and Prevention estimates that 164 million work hours ...