Dr. Houston earned his D.D.S. from Baylor College of Dentistry and his M.S.D. in Oral and Maxillofacial Pathology from Indiana University School of Dentistry. During 22 years of service with the U.S. Air Force, he also completed a Fellowship at the Armed Forces Institute of Pathology, Walter Reed Army Medical Center, Washington, D.C. He was department chair and laboratory director at the University of Oklahoma College of Dentistry for 16 years. His areas of interest are Sjögren syndrome; maxillary, nasal, paranasal sinus disease; fibro-osseous lesions; and lesions of the minor salivary glands.