This is an endodontic dentistry practice that provides services throughout the Washington, D.C. metropolitan area. It is comprised of the following endodontic specialists: Doctors Stanley M. Levin, Gary S. Leff, Richard M. Pollock, Bruce T. Sallen and Tu-Quynh Bao Nguyen, all specialists in root canal therapy. Be sure to view the practice's website, or call, for more information.