Dr. Parel is a Diplomate of the American Board of Prosthodontics, the American and International College of Dentists, and is a member of many professional organizations, including the American Dental Association, the Academy of Prosthodontics, and the American College of Prosthodontics. His literature contributions include over 45 scientific articles as principal author, and multiple textbook contributions. He was editor and co-author of Esthetics and Osseointegration, a landmark reference source for implant dentistry. He authored his second book, The SmiLine System in 1991, and recently completed a third book, Esthetic Implant Restorations. He is past president of both the American Academy of Maxillofacial Prosthetics and the Academy of Osseointegration. Dr. Parel is currently a professor at Baylor College of Dentistry – Texas A&M University System Health Science Center and director of the Center of Oral Maxillofacial Prosthodontics in the Department of Oral and Maxillofacial Surgery/Pharmacology.