this review title is: cleans plaque and the content is: i go to the dentist every three months due to plaque buildup and this tool has helped me to control plaque in between visits very sharp so you do have to be very careful when using it vibration helps to break up the plaque which i can then floss and brush away.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.