I stopped using mine.It was next to useless for getting rid of the plaque build up between teeth. My dental hygienist doesn't rate them .
Your dental hygienist is a liar according to @sohi dental hygienist.
Only this can be settled is rollapoluzza 1 minute sprint
@lynx started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
lynx
I stopped using mine.It was next to useless for getting rid of the plaque build up between teeth.
My dental hygienist doesn't rate them .