InPronto - Clinical Advisory Board

Dean L. Duncan, DDS

Dr. Duncan graduated from the University of the Pacific School of dentistry in the year 1976. He then completed a one year general practice residency at the VA Hospital in Topeka. He completed his Oral and Maxillofacial Surgery training at the Long Beach VA Medical Center and the UC Irvine Medical Center, received his certification in 1980 and then relocated to San Francisco.

He is a diplomate of the American Board of Oral and Maxillofacial Surgery and has a successful private practice in the west portal district of San Francisco treating all aspects of challenging cosmetic and full arch implant cases. He has placed thousands of implants over the past twenty five years utilizing multiple systems.

In early 2010, Dr. Duncan was strategically involved with the beta release and testing of the proprietary InPronto software that enables complete reverse engineering of the surgical and prosthetic reconstruction of the fully edentulous patient. To date he completed several bioengineered full arch cases with exceptional results. His extensive clinical expertise allows him to bring a unique private practice perspective to other surgeons and to the InPronto board.

Charles D. Hasse, DDS, MD

Dr. Charles D. Hasse received a B.S. in Biology from MarquetteUniversity in Milwaukee, Wisconsin in 1971. He graduated with his D.D.S. (Doctor of Dental Surgery) degree from the University of Detroit Mercy School of Dentistry in 1975, and his Doctor of Medicine (M.D.) (with honors) degree from the University of Health Sciences Antigua School of Medicine in 2002. Dr. Hasse maintains a private practice in Irvine, California where he has practiced the full scope of his specialty since 1980. He is a Fellow of the American College of Oral and Maxillofacial Surgeons, the American Association of Oral and Maxillofacial Surgeons, and of the AmericanAcademy of Cosmetic Surgeons.
He presently is the national Vice-President of the American College of Oral and Maxillofacial Surgeons. He was named Director of the Center for Oral Facial Reconstruction at the Irvine Regional Hospital and Medical Center in 1990. Dr. Hasse is a member of the teaching staff at the Charles R. Drew School of Medicine in Los Angeles, California. He formerly was a clinical instructor at the Loma Linda University School of Medicine in the Department of Otolaryngology. He is the former Chairman of the Division of Oral and Maxillofacial Surgery at the Century City Hospital and Medical Center in Los Angeles. Most recently, he was the Chairman of the Department of Surgery at the Irvine Regional Hospital and Medical Center, Irvine, California.


Richard Nathan, DDS, MS

Dr. Nathan is an associate professor in the Division of Periodontics of the UCSF School of Dentistry and has had a private periodontal practice in San Francisco for the past 30 years. Dr. Nathan has lectured internationally on the topic of periodontics and has published articles in the Journal of Oral Surgery and in the Journal of the California Dental Association. Dr. Nathan received his dental degree from Tufts University School of Dental Medicine and his MS in Oral Biology and Certificate in Periodontics from the UCSF School of Dentistry.