Invention cleans teeth in seconds

[ahlam1399]

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBDY6AY.img?h=100&w=100&m=6&q=60&o=f&l=f&x=1094&y=291Over a lifetime, brushing your teeth takes up about 108 days. A Kickstarter campaign has launched for a toothbrush that claims to do the job in 10 seconds.



أكثر... (http://www.msn.com/en-in/health/video/invention-promises-clean-teeth-in-10-seconds/vi-BBDYnq9?srcref=rss)