NS-10 Cracks and Fractures: The End, or is It?

After graduating from the University of Alberta Faculty of Dentistry, Dr. Nixdorf completed hospital dentistry residency at The Ohio State University, Anesthesia fellowship at Johns Hopkins University, Orofacial Pain fellowship at the University of Alberta, and a Master of Science in Clinical Research at the University of Minnesota. As a Diplomate of the National Dental Board of Anesthesiology (NDBA) and the American Board of Orofacial Pain (ABOP), he maintains a specialty Orofacial Pain practice on the diagnoses and management of chronic TMD pain, headaches, and neuropathic pain within multi-disciplinary settings. Dr. Nixdorf’s research has focused on the topics of non-odontogenic “tooth” pain from a classification, diagnosis, epidemiology, and treatment perspectives, as well as TMD and, most recently, dental MRI, with over 85 published articles. Dr. Nixdorf is Professor, Division Director, and past Graduate Program Director at the University of Minnesota in the Division of TMD & Orofacial Pain.

Dr. Krell received his D.D.S. and M.S. degrees from the University of Iowa in 1981 and 1983, respectively. He earned his M.A. degree in sociology-anthropology in 1975, from the United States International University in San Diego, Calif. 

Dr. Krell has been an endodontist for over 43 years. He was a full-time educator for 8 years at the University of Iowa and was in private practice in West Des Moines, Iowa for 29 years until he retired December 31, 2017. He is still an adjunct clinical Professor in the Department of Endodontics at the University of Iowa College of Dentistry. He has lectured nationally and internationally about his research on cracked teeth based on his data base of over 3,000 private practice cases.  His complete data base is over 50,000 cases.

Dr. Krell is a Diplomate of the American Board of Endodontics, as well as a past president and past director of the ABE.  He is a past president of AAEF (now the Foundation for Endodontics) and finally is past president of the American Association of Endodontists.

Dr. Krell has been married for over 52 years to Diane and they have five grandchildren. He still has research interests in cracked teeth and vertical root fractures.

Dr. Matthew Davis is a board-certified endodontist in private practice in Glenview and Winnetka, Illinois. He attended the University of Iowa College of Dentistry where he received his Doctor of Dental Surgery in 1999 and his specialty certificate in endodontics in 2001. He has been a full-time practicing endodontist for twenty years. He became a diplomate of the American Board of Endodontics in 2010. As an author, he has had several publications and has been a member of the Scientific Advisory Board for the Journal of Endodontics from 2013 to the present.