Dr. Samuel I. Kratchman discusses warm vertical obturation using the Obtura and System B.
Dr. Kratchman recieved a certificate in endodontics from the University of Pennsylvania School of Dental Medicine. he is the assistant director of graduate endodontics and surgical director of endodontics at the University of Pennsylvania and maintains 2 private practices limited to endodontics in Exton and Ardmore, PA. He has lectured on many topics in endodontics throughout the United States , Europe, Scandinavia, Asia, and South America. He can be reached at sikratch@comcast.net.