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Gordon J. Christensen - Practical Clinical Courses® Nationally Approved PACE Program Provider for FAGD/MAGD credit.  Approval does not imply acceptance by any regulatory authority or AGD endorsement.  6/1/21 to 5/31/24.  Provider ID# 208521

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Gordon J. Christensen - Practical Clinical Courses® is an ADA CERP recognized provider.  ADA CERP is a service of the American Dental Association to assist dental professionals in identifying quality providers of continuing dental education.  ADA CERP does not approve or endorse individual courses or instructors, nor does it imply acceptance of credit hours by boards of dentistry.


Harold Crossley, DDS, MS, PhD

Hal Crossley

Hal Crossley is Professor Emeritus at the University of Maryland Dental School.  He received a Bachelor of Science degree in Pharmacy from the University of Rhode Island in 1964, the Master of Science (1970) and Doctorate degrees (1972) in Pharmacology. The University of Maryland Dental School in Baltimore awarded Dr. Crossley the D.D.S. degree in 1980. He serves on the Maryland State Dental Association’s Well-Being Committee, is an active member of Phi Kappa Phi, Omicron Kappa Upsilon Honorary Dental Society, the American College of Dentists, International College of Dentists, and an honorary member of the Thomas B. Hinman Dental Society. He was the recipient of the 2008 Gordon Christensen Lecturer Recognition award presented by the Chicago Dental Society