### Types of Teeth and Their Functions Most adults have 32 teeth, while children have 20 primary teeth. These teeth are categorized into different types, each serving a unique function: 1. **Incisors**: Located at the front of the mouth, there are eight incisors (four on the top and four on the bottom). They are shaped like small chisels with sharp edges, perfect for biting into food. Incisors are the first to appear in babies around 6 months and are replaced by adult incisors between ages 6 and 8. 2. **Canines**: These are the sharp, pointy teeth next to the incisors. There are four canines (two on the top and two on the bottom). They are used for tearing food. Baby canines appear between 16 and 20 months, with adult canines coming in around ages 9 to 12. 3. **Premolars**: Also known as bicuspids, these teeth are located next to the canines. Adults have eight premolars (four on the top and four on the bottom). They have a flat surface with ridges for crushing and grinding food. Premolars replace baby molars and start to come in around age 10. 4. **Molars**: These are the largest and strongest teeth, located at the back of the mouth. Adults have 12 molars (six on the top and six on the bottom), including four wisdom teeth. Molars are used for grinding food into smaller pieces. The first set of molars appears around age 6, the second set around age 12, and wisdom teeth between ages 17 and 25. Some people may need to have their wisdom teeth removed if there isn't enough room for them to grow in. To maintain healthy teeth, it's important to brush and floss regularly and visit the dentist for professional cleanings every six months.