Doctors

Dr. David E. Witherspoon

Dr. David E. Witherspoon graduated from University of Queensland, Queensland, Australia in 1988. He then entered general practice in Australia for the next three years. During this time he successfully completed a Bachelor of Economics at University of Queensland, Queensland, Australia. In 1991 he moved to London, England where he continued to practice general dentistry for the next two years. In 1993 he began the graduate endodontics program at Baylor College of Dentistry in Dallas, Texas. He successfully completed advanced training in his specialty in 1996. In 1996 he joined the faculty at Baylor College of Dentistry as assistant director of Graduate Endodontics. In 1998 he joined the team at North Texas Endodontic Associates.

He is a member of the American Association of Endodontics and the International Association of Dental Traumatology. He is a Past-President of the Southwest Society of Endodontics, and the DFW Metroplex Endodontic Society. He has presented many lectures on endodontics at an international, national, and local level. He is co-author of several chapters in Pathways of the Pulp, a leading endodontic textbook used at most dental schools through out the world. He is a scientific reviewer for several academic journals and has published numerous scientific articles. He was honored by the American Association of Endodontist as the 1999 recipient of the Young Endodontic Educator Award. He is a Diplomate of the American Board of Endodontists. In 2003, Dr. Witherspoon was honored when selected by his peers to the D magazine list of “Best Endodontists” in Dallas.

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Dr. Joel C. Small

Dr. Joel C. Small received his DDS (Doctor of Dental Surgery) in 1976 from the University of Texas Dental Branch, Houston, Texas, then continued with a two year residency in endodontics while serving as an assistant clinical professor.

He has served as a national spokesperson for the American Association of Endodontists. In private practice as an endodontic specialist since 1978, Dr. Small has been active in many local, state and national dental organizations. He is a past president of the Southwest Society of Endodontists and the Greater Plano Dental Society. He also served on the board of directors of the Dallas County Dental Society, and the Research and Education Foundation of the American Association of Endodontists.

He maintains an active membership in the American Dental Association, the Texas Dental Association, and the American Association of Endodontists.

In addition to being an avid outdoorsman and full time father, Dr. Small is active in community affairs. He is a graduate of the “Leadership Plano” program sponsored by the Plano Chamber of Commerce and was honored as a semi-finalist for “Plano Father of the Year.” Dr. Small and his wife Brenda have three children: Jennifer, Zach, and Abby.

In 2003 Dr. Small was honored when selected by fellow dentists to the “D” magazine list of “Best Endodontists“ in Dallas.

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Dr. John D. Regan

Dr. Regan graduated from Trinity College Dublin, Ireland in 1980, then worked in private practice for many years. He earned a Masters in Restorative Dentistry at the Eastman Dental Institute in London, England, in 1989, and a Masters in Oral Biology and a certificate in Endodontics in 1998 at Baylor College of Dentistry in Dallas, Texas.

Dr. Regan is a diplomate of the American Board of Endodontists and a certified member of the European Society of Endodontics. He is a member of the American Association of Endodontists and the Southwest Society of Endodontists. He is a member of the DFW Metroplex Endodontic Society and currently serves as its vice president.

Dr. Regan was interim director of the graduate program at Baylor from 2001-2003, and continues as a part time associate professor and assistant director in Baylor College of Dentistry’s Department of Endodontics. He is the author of four chapters in endodontic textbooks and has written numerous research and review papers. He has lectured extensively both in the U.S. and abroad. He is on the editorial board of Endodontic Practice and is a reviewer for both the International Endodontic Journal and the Journal of Endodontics.

Dr. Regan is married to Deborah, a periodontist. They have two sons, Conor (12) and Killian (9).

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