Dr. Douglas Terry D.D.S.
Dr. Terry received his D.D.S. from the University of Texas Health Science Center, Houston Dental Branch in 1978. He is an Assistant Professor in the Department of Restorative Dentistry and Biomaterials at the University of Texas Health Science Center Dental Branch at Houston, Texas. Dr. Terry is an accredited member of the American Academy of Cosmetic Dentistry, an active member of the European Academy of Esthetic Dentistry, and an honorary member of the Indian Academy of Restorative Dentistry. He has served as a past research associate for REALITY Research Lab and a clinical associate for REALITY Publishing. He is a member of the International Association for Dental Research. He has received a number of professional awards and has received fellowships in the American and International College of Dentists, Academy of General Dentistry, and the International Academy of Dental Facial Aesthetics. He is a member and the U.S. vice-president of International Oral Design. Dr. Terry is an editorial member of numerous peer-reviewed scientific journals and has published over 230 articles on various topics in aesthetic and restorative dentistry and has authored the textbook “Natural Aesthetics with Composite Resin.” He has lectured both nationally and internationally on various subjects in restorative and aesthetic dentistry. Dr. Terry is the founder and CEO of design Technique International and the Institute of Esthetic and Restorative Dentistry. He maintains a private practice in Houston, Texas.


Dr. Karl F. Leinfelder D.D.S., MS
Dr. Leinfelder, a native of Wisconsin, earned both his Doctor of Dental Surgery and Master of Science (Dental Materials) degrees from Marquette University. After serving for eight years on the faculty at Marquette, he joined the faculty at the University of North Carolina School of Dentistry where he attained the rank of Professor and Director of Biomaterials Clinical Research in the Dental Research Center. In 1983, he joined the School of Dentistry at the University of Alabama and is the recipient of the Joseph Volker Chair. He also served as Chairman of the Department of Biomaterials until 1994. Presently he holds positions at both universities; adjunct professor at University of North Carolina and Professor Emeritus at the University of Alabama. Recipient of the Dr. George Hollenbeck award (1995) as well as the Norton N. Ross award for outstanding clinical research (1997), and the American College of Prosthodontists Distinguished Lecturer Award (1998). He has served as Associate Editor of the Journal of the American Dental Association and is a Dental Materials Research Consultant for numerous materials companies. Dr. Leinfelder has published more than 275 papers on restorative materials, authored more than 150 scientific presentations, a textbook on restorative materials and techniques and has lectured nationally and internationally on Clinical Biomaterials.



Willi Geller
Mr. Geller is a master ceramist and dental technician from Zurich, Switzerland. Through the visionary power of his dental restorations, he has significantly influenced aesthetic awareness in dentistry for an entire generation of dental technicians and dentists. He has created rules and guidelines in dental aesthetics for technicians as well as dentists at a time when it was not in vogue that are still considered revolutionary. Mr. Geller has developed the lateral segmental layering technique, the ceramic shoulder, the “Geller-wing” technique, the Geller cutback technique, and Creation porcelain. He is recognized in the dental field as “Maestro,” the true teacher, and his ideas and concepts are followed and disseminated by outstanding international technicians and clinicians. He is the founder of Oral Design International a group of leading technicians and clinicians chosen by him to disperse new knowledge and information around the world. He has received numerous awards from international professional institutions for his outstanding professional achievements and contributions to aesthetics, laboratory communication, and dental technology. He maintains an Oral Design laboratory in Zurich, Switzerland.









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