Do You Know About Teeth ?? TalatiExamPaper
You probably know that your teeth help you smile, talk, and eat the food you need to survive. But there are also a lot about teeth you probably dont know.(Do You Know About Teeth)

Milk Teeth
The first teeth we get as babies are called milk teeth, primary teeth, or baby teeth. Babies start developing teeth before they are even born, but the teeth aren’t
visible until the baby is 6-12 months old. Once the first tooth comes in, more quickly begin to appear. Most kids have a full set of teeth by the age of three.
There are 20 teeth total in this first set.
When children are around 5 or 6 years old, their teeth start to fall out one by one. You’ve probably experienced this. Losing a tooth can be scary at first, but there’s a reasonable explanation.
Parts of a Tooth Crown
- Crown
The crown is the part of your tooth you can see.
- Enamel
Each crown is covered in a substance called enamel, which is very hard and tough. It’s actually the hardest material in the body! Its job is to protect the inner parts of the tooth, which are very sensitive.
- Dentin
Below the enamel is dentin, which is also a hard substance (but not as hard as enamel). It protects the inside part of your tooth, called the pulp.
- Pulp
The pulp contains nerve endings and blood vessels. Have you ever had a cavity or eaten something very cold? The part of your tooth that hurts is the pulp.
- Cementum
Cementum covers and protects the root of the tooth, which is under the gums. Your gums are the soft, pink tissues that also help protect the root.
What is a force?
A force is really a push or a pull that makes something move or even turn around. Imagine you’re pushing someone on the swing, and they ask you to push harder and harder, the force gets bigger, and that then causes more movement. Or you’re playing football, you give the ball a soft kick and it doesn’t go too far too fast, but then you knock the ball out the park and it goes further and faster. The same thing happens when you pull something.
If the forces are balanced, which means they are equal in size but are acting in opposite directions, the object doesn’t move but it might change shape.
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