Reach Crystal Clean Toothbrush, Firm, Assorted Colors (Pack of 18) - REACH Crystal Clean toothbrushes are scientifically designed with a signature angled neck and cleaning tip to remove plaque from hard-to-reach places like the back of your mouth. These toothbrushes also feature bi-level bristles that clean plaque from the tooth surface and along the gum line, helping to maintain healthy gums.