Seoul Lecture & Hands on Dec 12, 2018

GAMEX 2018 in COEX. Dec 8-9, 2018

Lecture in Vietnam, Dec 6, 2018

Seoul Lecture & Hands on Nov 21, 2018

HCMC in Vietnam, Oct 21-23, 2018

Dental medical continuing education in Gwan ak-gu , 16 Oct 2018

SCIDA August 26, 2018

Seoul Lecture & Hands on July 4, 2018

Seoul Lecture & Hands on May 30, 2018

Philippines Lecture & Hands on, May 6, 2018

SNU School of Dentistry Lecture. Mar 10, 2018

Dental medical continuing education in Gyeonggi-do. April 7, 2018

Busan Lecture & Hands on Jan 27, 2018

Japan Lecture & Hands on Dec 17, 2017

Iran Lecture & Hands on Dec 11-14, 2017

Isfahan Univerity Lecture regarding OrthoMTA and RetroMTA

Seoul Lecture & Hands on Nov 29, 2017

SIDEX 2017 November 11-12, Busan

Seoul Lecture & Hands on Oct 18, 2017

HODEX Oct 15, 2017