ทพญ. ตรีรัตน์ แซ่เล้า

• Certificate of Attendance Course : Safe and Effective Use of Nitrous Oxide/Oxygen Inhalation Sedation in Dentistry, Faculty of Dentistry, Chiang Mai University, Thailand
• Graduate Diploma in Clinical Science in Oral and Maxillofacial Surgery, Mahidol University, Thailand
• Certificate of Attendance Course : Maxillofacial Deformities & Reconstructive Surgery: existing the best, delivering the future”

• The Dental Council Thailand
• The Thai Association of Oral and Maxillofacial Surgery