Page 29 - Viva ICSE Science 4 : E-book

TIME TO REVISE

Match the following.
Column A Column B
1. Enamel (a) central soft part of the tooth
2. Dentine (b) harder than bone

3. Pulp (c) visible part of the tooth
4. Crown (d) sensitive part of the tooth

Care of Teeth and Gums

Taking care of teeth and gums is very important for
maintaining our overall health. Poor oral hygiene may cause Did You Know!

various dental problems. When we eat something, small Dentine is the part of
the tooth that feels the
particles of food get stuck in the spaces between the teeth in
pain when tooth decay
our mouth. If not cleaned regularly, germs may grow on them progresses beyond

and form a sticky yellow coating on teeth known as plaque. the enamel.
These germs then produce acid and destroy the enamel of

the teeth, causing tooth decay and cavities. This can also lead to several other problems
like toothache and bad breath.

Following are some ways to take care of your teeth and gums.

• Brush your teeth at least twice a day—before breakfast and after
dinner to prevent plaque formation.

• Use a soft-bristled brush and fl uoride-containing toothpaste.

Fluoride protects the enamel from cavities. Make sure you brush
your teeth properly and in the right manner.

• Rinse your mouth with water or a fl uoride-containing mouthwash Brushing

after each and every meal. Swish the mouthwash in your mouth
for 30–60 seconds. You can also use a salt solution for rinsing your
mouth.

• Use dental fl oss to clean the gaps between your teeth. Do not use

any other pointed object for fl ossing. It may hurt you.

• Clean your tongue daily with a tongue cleaner. Clean it gently so
Flossing
that you do not hurt yourself.

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