teeth. From 6 to 13, people lose their baby teeth one by one. Now permanent teeth begin to grow. Between the ages of 17 to 25, some people grow wisdom teeth. Of course, wisdom teeth don’t make you any ……

or smile.Braces work little by little on these teeth. After some time, the teeth will go back... work little by little on these teeth. After some time, the teeth will go back to the right place.Don ……

A shark can grow and lose up to 30,000 teeth in a lifetime (一生). ……

are some tips for you to take care of your teeth:1. Brush your teeth the right way.Brush your teeth... snacks, too.Brush all of your teeth, not just the front ones. Spend time brushing teeth along ……

to grow and the old teeth haven’t fallen out, there isn’t enough space for the new ones. This causes crooked teeth. Don’t worry. Here are some ways to keep your teeth healthy. Brush at least twice ……

13,000Some kinds of snails can have over 20,000 teeth!Some kinds of snails can have over 20,000... them. If you put a snail in a box, it can make a hole with its teeth.Some snails have strong teeth ……

problem. During her time, fake teeth were hard to find in England. She was always in pain. Her fake teeth...Before we used toothpasteMANY years ago, people didn't know how to look after their teeth ……

bamboo. They grow a sixth “finger” to hold it. Their teeth become bigger for chewing (咀嚼... bamboo. They grow a sixth “finger” to hold it. Their teeth become bigger for chewing (咀嚼 ……

’t straight. Sometimes teeth just don’t grow in evenly (均匀地).Your teeth might be crooked (弯曲... teeth by putting steady pressure on your teeth over a certain amount of time. Most kids just need ……

to grow. Most kids have their first set (一套) of teeth at 3 years old. We call them baby teeth (乳牙...) for everyone’s baby teeth. Each time a child’s baby tooth comes out, you can put it under your pillow5 ……

trouble for you when you chew, talk or smile.Braces work little by little on these teeth. After some time... are they?They arebraces(牙套). They help people get straight teeth.Some people have teeth that are out of place ……

to fall out one by one. Now your permanent teeth grow. When you’re 12 or 13 years old, you will lose...’t ready to work. They start to grow when you’re 6 months old. Then, more and more teeth grow. You have ……

pressure on your teeth for some time – two years on average. Worried about how you will look... you look your best. But do you know enough about how to take care of your teeth? Here are some ways ……

oldYour baby teeth (乳牙) start to grow. Between 6 months and 3 years oldYour baby teeth will grow... will grow in. You will have them your whole life. Remember to take good care of them. Care for your teeth保护 ……

.Some people have large wisdom teeth, but others might not have any at all. Finnish scientists say... smaller over time.So we have to suffer the pain of wisdom teeth ……