Specially designed to clean the hard-to-reach places in mouth with its unique angled neck and tapered head. This Reach Advanced Design Full Head Toothbrush Value Back features durable brushes with a variety of bristle sizes and designs in them for optimal brushing results. The shorter inner bristles clean plaque from every tooth. Reach Advanced Design Firm Toothbrush was created for those who prefer firm bristle strength and comes with two different toothbrushes in each set. Thanks to the unique design of this Reach Toothbrush users can enjoy a reach that extends behind back teeth 60 percent further for a better clean every time you use it.