Dr. Allen is a past president of the American Academy of Esthetic Dentistry, the American Academy of Restorative Dentistry and the American Academy of Periodontology Foundation. A recipient of the AAP Master Clinician Award and the AAED President’s Award for Excellence in Dental Education, he is the Periodontal Section Editor for the Journal of Esthetic and Restorative Dentistry and founder of the Center for Advanced Dental Education, where he teaches surgical technique courses. He has over 100 publications and has presented numerous lectures and surgical demonstrations worldwide.