The science behind brushing 2-3 times a day

Have you ever wondered why your parents tell you to brush every day, twice a day? I mean, apart from the obviou. I found some sights in which I took a few quotes from to help explain why doctors and parents tell you to brush 2-3 times a day.

"The study published Friday in the British Medical Journal found that individuals with poor oral hygiene have a 70 percent increased risk of heart disease compared with people who brush twice daily." http://pagingdrgupta.blogs.cnn.com/2010/05/28/brush-your-teeth-save-your-heart/?hpt=Sbin

read research here

"7 Reasons to Brush Your Teeth Twice a Day

1.Fluoride

2.Bacteria

3.Saliva production

4.prevent tartar build up

5.protect gums

6.fresh breath

7.improved overal health
"When you brush before going to bed it’s a first line of defense against the formation of cavities while you sleep."

Read more: http://www.sanedentist.com/7-reasons-to-brush-your-teeth-twice-a-day.html#ixzz14kC6dt5t

"Failure to brush your teeth twice a day increases risk of heart disease"

http://www.scientificamerican.com/blog/post.cfm?id=failure-to-brush-your-teeth-twice-a-2010-05-27