- "Visiting Professor of School of Dentistry, Health Sciences, University of Mongolia"

Ulaanbaatar, Mongolia. (2009. 6)

- "2007 IFED World Congress" COEX, Seoul, Korea. (2007. 5. 4-6)

- "AAAD" 일본 나고야. (2004. 7. 18)

- "2004 IFED World Congress" Venezia, Italy. (2004, 5. 29)

- "제14회 일본치과심미학회 학술대회" 일본 히로시마. (2003. 11)

- "Enhancing Esthetics with Periodontal Plastic and Reconstructive Surgery" Chicago, Illinois, USA. (2002. 5. 17-19)

- "Extended Preceptorship of Periodontics & Implant Surgery" Wilshire Park Dental Institute, LA, California, USA. (2002, 4, 1-6.31) 

- "The 17th Annual Meeting, Academy of Osseointegration" Dallas, Texas, USA. (2002. 3. 14-16)

- "Periodontics Preceptorship Program" School of Dentistry, UCLA, USA. (2002. 1–2002.3)

- "Advanced Implantology Preceptorship Program" School of Dentistry, UCLA, USA. (2001.9-2001. 12)

- "12th Annual Conference on Periodontal Surgery" UCLA Contiuing Dental Education, USA. (2001, 10. 27)

"Implants: A to Z" UCLA Contiuing Dental Education, USA. (2001. 10. 15-2002. 5. 7)

- "Periodontal Therapy: Diagnostic Indications and Surgical Procedures" UCLA Contiuing Dental Education, USA. (2001. 9. 29)

- "IPSG The Ideal Full Denture Course" Interdisciplinary Practical Study Group, Tokyo, Japan. (1999. 10. 9-11)

- "Aesthetic Dentistry in the New Millennium" 제6회 싱가포르국제치과학술대회 및 제5회 아시아 심미학회 학술대회. (1998. 7. 18~19) 

- "Branemark, M에 관한 연수교육 전과정 수료" 대한치과이식(임플란트)학회. (1996. 10. 27)

- "Visiting Professor of School of Dentistry, Health Sciences, University of Mongolia" Ulaanbaatar, Mongolia. (2009. 6)

- "2007 IFED World Congress" COEX, Seoul, Korea. (2007. 5. 4-6)

- "AAAD" 일본 나고야. (2004. 7. 18)

- "2004 IFED World Congress" Venezia, Italy. (2004, 5. 29)

- "제14회 일본치과심미학회 학술대회" 일본 히로시마. (2003. 11)

- "Enhancing Esthetics with Periodontal Plastic and Reconstructive Surgery" Chicago, Illinois, USA. (2002. 5. 17-19)

- "Extended Preceptorship of Periodontics & Implant Surgery" Wilshire Park Dental Institute, LA, California, USA. (2002, 4, 1-6.31) 

- "The 17th Annual Meeting, Academy of Osseointegration" Dallas, Texas, USA. (2002. 3. 14-16)

- "Periodontics Preceptorship Program" School of Dentistry, UCLA, USA. (2002. 1–2002.3)

- "Advanced Implantology Preceptorship Program" School of Dentistry, UCLA, USA. (2001.9-2001. 12)

- "12th Annual Conference on Periodontal Surgery" UCLA Contiuing Dental Education, USA. (2001, 10. 27)

"Implants: A to Z" UCLA Contiuing Dental Education, USA. (2001. 10. 15-2002. 5. 7)

- "Periodontal Therapy: Diagnostic Indications and Surgical Procedures" UCLA Contiuing Dental Education, USA. (2001. 9. 29)

- "IPSG The Ideal Full Denture Course" Interdisciplinary Practical Study Group, Tokyo, Japan. (1999. 10. 9-11)

- "Aesthetic Dentistry in the New Millennium" 제6회 싱가포르국제치과학술대회 및 제5회 아시아 심미학회 학술대회. (1998. 7. 18~19) 

- "Branemark, M에 관한 연수교육 전과정 수료" 대한치과이식(임플란트)학회. (1996. 10. 27)