Dr. Deutsch is the executive vice president, codirector of dental research, and cofounder of Essential Dental Systems, a dental product manufacturing company located in South Hackensack, NJ. After much research and development, some of his patents include Flexi-Post and the Ti-Core EZ-Fill bi-directional spiral. He attended Tufts University Dental School, receiving his DMD in 1973. An internship at the French and Polyclinic Hospital (1973-1974) and endodontic specialty program (1974-1976) at Columbia University Dental School completed his postgraduate studies. He is a member of the ADA, the American Association of Endodontists, the AGD, the Dental Society of NY, the First District Dental Society, the Sigma Xi Research Society, the Alpha Omega Dental Fraternity, and the American Society of Lasers and Advanced Technologies in Dentistry. He is also a Fellow of the American College of Dentistry. His lecture schedule has taken him to more than 200 international locations. He has coauthored more than 250 articles in dentistry in various international dental journals, including Dentistry Today.