Oral and Maxillofacial Radiology AKA (Dental and Maxillofacial Radiology) is that specialty of Dentistry concerned with performance and interpretation of diagnostic imaging used for examining the craniofacial, dental and adjacent structures. OMFR or DMFR is one of nine dental specialties recognized by the American Dental Association, Royal College of Dentists of Canada, and Royal Australasian College of Dental Surgeons.