Comprehension: Teeth

TEETH

Everyone has several different types of teeth. The teeth in the front of your mouth, and the easiest to see, are called incisors. There are four incisors on the top and four on the bottom. These teeth are used for cutting and chopping food.

The pointed teeth on either side of your incisors are called canine teeth. People have a total of four canine teeth, two on top and two on the bottom. They are pointed and sharp. They are used to tear food. Next to your canine teeth are the premolars.
You have eight premolars in all. Premolars are bigger, stronger, and have ridges – all of which makes them perfect for crushing and grinding food.

Finally, there are your molars. You have eight of these. Molars are the toughest of the teeth. They are wider and stronger than premolars, and they have more ridges. Molars work closely with your tongue to help you swallow food.

The tongue sweeps chewed food to the back of your mouth, where the molars grind it until it is mashed up and ready to be swallowed. By age twenty, four more molars grow in the back of the mouth, one in each corner. These are called wisdom teeth. People do not need wisdom teeth now, but many years ago these teeth were necessary to help people chew tough plants, which were an important part of the human diet. Now, many people get their wisdom teeth pulled by a dentist.

1. Where are the incisors found?

2. What is the job of the incisors?

3. How many canine teeth does a person have?

4. Javonte's dentist has pulled out his canine teeth. Explain the type of difficulty Javonte will have when he is eating chicken and chips.

5. Which teeth are the toughest of all the teeth?

6. True or False: You will have all your teeth by the time you are sixteen.

7. Years ago, why were wisdom teeth important?

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