Persuasive writing-Brushing teeth

WALT use the correct structure and language for Persuasive writing

Brushing Teeth.

Teeth have a  very important job.
They help you eat food for your own body.

I think we should brush our teeth every day.

Firstly why I think we should brush our teeth every day
is so that our teeth are healthy and strong.
When you brush your teeth all the bacteria
comes out which makes your teeth healthy and strong.

Secondly why I think we should brush our teeth every day is
so our teeth are nice and clean.
When we brush our teeth all the bacteria and
little bits of food come out. That's why our teeth are nice and clean.

Thirdly why I think we should brush our teeth every day is
so all the bacteria won’t damage your teeth.
The bacteria starts eating our enamel then the bacteria causes holes.  
And that is why we get a toothache.

So that's why I think we should brush our teeth every day.