“Dental Sigma” is the name of a new toothbrush from Vivatec of Japan, sporting toilet bowl brush-like round cleaning head. Each bristle of the brush has a diameter between 0.09 and 0.13mm, so between this and the 360 degree head, you have a total of over 10,000 bristles (more than 10x that of a normal brush, or so the review says). Ending the days of having to worry about what direction your toothbrush is pointing, the Dental Sigma obviously has some “ease of use” features. After finding out how to use the damn thing, the reviewer of Dental Sigma indicated getting a nice and thorough brushing was a no-brainer. Now all it needs is some batteries to spin it around at 10,000 rpm.
Review [ITmedia]
