Barely usable, poor design.
Nearly useless.  You can polish your front an outside teeth..  but cannot polish inside of teeth.  This requires putting the ENTIRE top part of the unit inside your mouth....  the top is pretty big. And impossible maneuver to do back of front teeth.<br /><br />This should be the size of a toothbrush to use inside your mouth..but it is huge.<br />If you have a huge mouth...maybe.<br />Anybody else ..forget it.<br />Will have to buy something else.
Rating: 1 stars