Dennis Perry Tarnow (born May 28, 1946)[1] is an American dentist specializing in periodontics, prosthodontics and implant dentistry and is known for his mark on dental implant research and education.[2] He is currently director of implant dentistry at Columbia University College of Dental Medicine and former chairman of the department of periodontics and implant dentistry at New York University College of Dentistry. He is a sought after speaker on the subject of implant dentistry.[3]