Teeth are important.Strong and healthy teeth help you enjoy food.They help you speak clearly.And also they help you look best.Here is some（1）

advice

advice

for you to take care of your teeth：
   1.Brush your teeth in a right way.
   Brush your teeth at least（2）

twice

twice

a day—after breakfast and before bedtime.If you can，brush after lunch or after sweet snacks，too.You should brush all of your teeth，not just the front ones.Spend time （3）

brushing

brushing

teeth along the sides and back of your mouth.You'd better spend at least three minutes in brushing each time.Get a new toothbrush every three months.
   2.Learn how to floss（用牙線清潔） your teeth.
   Flossing is a very important way to keep your teeth healthy because food may hide（4）

between

between

two teeth.Flossing can help you take（5）

it

it

out.You need to floss your teeth at least once a day.
   3.Have a good eating habit.
   You need to be careful about what you eat and drink.Eating sugar too much may（6）

cause

cause

toothache.
   So you'd better eat some fruits and vegetables and drink water（7）

instead

instead

of Coke.
   4.See a dentist every year.
   Some people won't go to a dentist（8）

unless

unless

there is something wrong with their teeth.If so，they may have some serious health problems.And it's difficult for dentists to deal with them.