A new invention. World's first tooth brush that uses ultrasounds to clean your teeth.
http://timesofindia.indiatimes.com/home/science/Now-toothbrush-to-polish-teeth-with-ultrasonic-waves/articleshow/17555596.cms
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First time I heard about this.If this can do so then its good one.

Sharmistha Banerjee
Hearing this for the first time, will it be painfull, does it have any side effects

http://beautytipsforflawlessskin.blogspot.com/

I wish nobody will loose their teeth while brushing with ultrasound tooth brush.
This is a good invention and hope will reduce dental problem also. When it is coming in market.

www.mobileeduhut.blogspot.in
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