The Implant CE Seminar 2016 was held at College of Dental Medicine, Columbia University in New York from July 11 to 14. Chairman and President Kawazoe and 28 faculty members from our university attended the lecture by Prof. Dennis Tarnow and other lecturers of Columbia University. At questions and answers session, an active debate was held. At the university hospital, participants observed the surgery by Dr. Tarnow.