Dr. Kratchman received a B.S. in Biology and D.M.D. at Tufts University in Boston, and his certificate in endodontics from the University of Pennsylvania, where he is an Associate Professor of Endodontics and Assistant Director of Graduate Endodontics. Dr. Kratchman lectures nationally and internationally as well as maintaining four private practices in Pennsylvania. He developed a patented instrument called the S Kondenser for obturation of root canals.