this review title is: these are what i would consider to be the best brush heads for the sonicare toothbrush that i have used and the content is: these are what i would consider to be the best brush heads for the sonicare toothbrush that i have used however it would appear that phillips is phasing these out for other models if you can still find them they are a good initial method of cleaning your teeth prior to flossing.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.