low quality [SEP] i was suckered in by the seeming bargain of these brushes but they really stink i have used one for about a month now and i am just about to switch back to the legit oral b brand brush heads i can be thrifty in many areas but i cannot afford to cut corners with my oral health i have spent too much time and money keeping my mouth healthythese heads are smaller than the name brand and they do not cover as well when i am done brushing i feel like i need to start over and get after some of those tough spots again i have really tried to give these heads a chance but they just do not measure up