This Review Title is Updated Review -beware and the content is: It is easy to use.  Fantastic for removing plaque.  After about 6 months of use, the plastic holding the metal tip split and the metal tip wound up in my mouth.  Had I accidentally swallowed it and not able to vomit it out,  I would have had to go to the emergency room..There are other information for this review, one is This reviewer did purchase it and the other is 0 people think this review is helpful.