this review title is: better directions needed and the content is: it works for deep cleaning however it would have been nice to have a little more information on the attachments and the correct way to use each one instead of a universal explaination which is periodontal which is basic cleaning etc of them look the same except one has a pink rim i would have give if it had better directions.there are other information for this review, one is this reviewer did purchase it and the other is 1 people think this review is helpful.