As founder and director of Pacific Dental Institute in Portland, Oregon, Dr. Sorensen is engaged in a practice limited to prosthodontics, currently conducting five clinical trials on all-ceramic fixed prosthodontic systems as well as in vitro materials testing, and providing hands-on continuing education programs in fixed prosthodontics and implant dentistry.

Previously he was The Oregon Dental Association Centennial Professor of Restorative Dentistry and Director of the Dental Clinical Research Center at Oregon Health Sciences University.

Prior to that he was Associate Professor and Director of the Advanced Prosthodontics Specialty Program at the University of California, Los Angeles.

Sorensen is a diplomat of the American Board of Prosthodontics.  Dr. Sorensen has published over 65 research articles and chapters, and over 110 research abstracts.   He has given over 100 invited lectures in 27 countries.