William E. Mason, DDS, MS, received his DDS and MS from the University of Michigan School of Dentistry in 1981 and 1984, respectively, and has since managed a private practice specializing in periodontics and dental implants. Since 1991, he has placed over 5,000 dental implants. Dr Mason teaches periodontal residents as a member of the Dean’s Faculty in the Graduate Periodontics Clinic at the University of Michigan School of Dentistry and regularly demonstrates surgery to the dental hygiene students at Delta College. Dr Mason has presented lectures to numerous dental societies throughout Michigan and has published articles in several professional journals. He has also developed three dental instruments and patented one of these—the Palatal Anesthesia Device (PAD)—to help alleviate the pain of palatal injections. He markets all three instruments on masterdentalonline.com.