Establishment of the American Board of Oral and Maxillofacial Radiology.
D002568:Certification / Q000266:history*; D049673:History, 20th Century; D011861:Radiography, Dental / Q000266:history; D011871:Radiology / Q000266:history*; D013044:Specialty Boards / Q000266:history*; D014481:United States