Dr. Birek is an Associate Professor in the Department of Periodontics and staff surgeon with the Implant Prosthodontic Unit at the University of Toronto. He maintains a private practice in Periodontics and Implant Surgery. Over the years Dr. Birek has conducted research leading to the development of the Toronto Automated Periodontal Probe and the study of refractory periodontitis. As senior surgeon at the Implant Prosthodontic Unit at University of Toronto he has witnessed and participated in the various stages of development and application of dental implants and helped train many periodontist, prosthodontists and general practitioners in implant surgery. Dr. Birek is a staff member at Mount Sinai Hospital of Toronto. He is a member of the RCDSO, holds Fellowships in American College of Dentists and the Pierre Fouchard Academy.