DISC 2023


DISC 2023 will feature a series of six lectures. We are currently finalizing our additional speakers and topics. We will update this page with our new speaker line-up in early October.

Julián Conejo, DDS, MSc

Dr. Conejo is the Clinical CAD/CAM Director at the Department of Preventive and Restorative Sciences, University of Pennsylvania School of Dental Medicine, Philadelphia PA, USA. He conducts research and has multiple publications in peer-reviewed scientific journals on CAD/CAM technology, prosthodontics and implant dentistry. Dr. Conejo has been the recipient of several awards in his field, to include the ICP Research Fellowship in Dental Restorative Materials in 2016 and has lectured in over 35 countries.

Sang J. Lee, DMD, MMSc

Dr. Sang Lee is Assistant Dean of Clinical Affairs in Harvard School of Dental Medicine (HSDM) and Medical Director of Harvard Dental Center (HDC) in which he directs all student and patient related clinical activities at the Harvard Dental Center Teaching Practice and oversee daily clinical operations to ensure the highest excellence in standards of care and quality assurance. In the past, Dr. Lee served as Director of Advanced Graduate Education (AGE), where he was responsible for overseeing 14 advanced graduate training programs and heading the Committee on Advanced Graduate Education (CAGE). He was also the Director for the AGE Prosthodontics program. He is a Diplomate of the American Board of Prosthodontics and serves as Fellow of many organizations including the American College of Prosthodontists, Greater New York Academy of Prosthodontics, and American Academy of Dental Science. He has served as a site visitor for the Advanced Dental Program in the Committee on Dental Accreditation (CODA) and a Review Committee member for the Advanced Dental Program in Prosthodontics.

Dr. Lee received his BS from Bucknell University and his DMD from the University of Pennsylvania School of Dental Medicine. He completed his advanced graduate training at HSDM, receiving a MMSc in oral biology, a Certificate in Prosthodontics and a Certificate in Implant Dentistry. He actively participates in clinical and translational research related to digital impression, computer guided implant surgery, and implant rehabilitation. The special research interests are the development/application of Digital Dental Technology from treatment planning, implant placement to restoration.

Miguel D. Vidal, DMD, MS

Dr. Vidal received his dental degree from the University of Pennsylvania School of Dental Medicine (D.M.D). He continued his specialty training at the University of North Carolina at Chapel Hill, where he was awarded a certificate in Prosthodontics and a Masters of Science (M.S.) degree. His main area of research focused on the development of cell based tissue engineering for clinical bone regeneration applied to implant therapy.

Dr. Vidal holds a faculty appointment at Harvard School of Dental Medicine. He works as the staff Prosthodontist at the Massachusetts General Hospital (MGH) Division of Dentistry. Dr. Vidal also maintains a private practice specialized in Prosthodontics and Implant Dentistry in Winchester, MA.

Yong-Han Koo, DDS

Diplomate, American Board of Oral and Maxillofacial Surgery
Fellow, American Association of Oral and Maxillofacial Surgery

Dr. Yong-Han Koo graduated from Columbia University College of Dental Medicine and completed his oral and maxillofacial surgery residency at Yale-New Haven Hospital. He holds faculty appointments at Harvard School of Dental Medicine and Boston University School of Dental Medicine / Boston Medical Center. He is the past CE Committee Chair for Massachusetts Society of Oral and Maxillofacial Surgeons (MSOMS) and sits on the CE Committee for Yankee Dental Congress.

He is currently an editorial consultant for the Academy News Committee and was on the E-Poster Committee for Academy of Osseointegration (AO) as well as the Research Committee for both Academy of Osseointegration (AO) and Osseointegraton Foundation (OF). Dr. Koo is the founder of Academy of 3D Connection in Osseo-Integration and maintains a private practice limited to oral and maxillofacial surgery in Wayland, Massachusetts.

Paul Chang, DDS

Dr. Chang attended Baltimore College of Dentistry in Maryland where he earned his Doctorate of Dental Surgery in 2003. He then completed an extensive five-year residency program at the University of Texas Health Science Center at San Antonio (UTHSCSA), where he was awarded specialty certificates in both Periodontics and Prosthodontics. While in San Antonio, he also completed his research on bio-modification of titanium surfaces to improve initial implant stability and earned his Master’s degree in the school of Biological Science.

During residency, Dr. Chang participated in various trial studies of Procera all zirconia implant restorations. He was the first dentist in the U.S. to have successfully restored full arch implant cases utilizing all zirconia, screw retained three unit FPDs, as well as the Procera all zirconia, full arch screw retained hybrid restoration.

Less than a year after completing his residency program, he successfully challenged both the American Board of Periodontology & American Board of Prosthodontics’ board examinations. He is one of only few dual board-certified dental specialists in both periodontics and prosthodontics in the United States.

Dr. Chang currently maintains his specialty practice in McKinney, Texas.

Aldo Leopardi, BDS, DDS, MS, Prosthodontist

Dr. Leopardi received his dental training from the University of Adelaide, South Australia and University of Detroit Mercy (UDM), Michigan. He received his specialist training and master’s degree in combined fixed, removable and implant Prosthodontics, at the University of North Carolina, at Chapel Hill (UCH-CH). He was faculty at UNC- CH, UDM, and Colorado Health Sciences School of Dentistry.

In 1999, after 15 years of combined academic and dental practice, Dr. Leopardi resumed private practice limited to implant, fixed and removable Prosthodontics in Denver, Colorado. Today he lectures nationally and Internationally on subjects involving fixed, removable and implant dentistry. He is involved in clinical research and has contributed articles and textbook chapters. He is also the founder of the Denver Implant Study Club and co-founder of Dentutopia, an online dental educational platform.

Marcus Blue, DDS

Dr. Marcus Blue, DDS is a Periodontics Practitioner in Basalt, CO and has over 15 years of experience in the medical field. He graduated from UNIVERSITY OF MISSOURI / KANSAS CITY CAMPUS in 2007. He is affiliated with medical facilities such as Aspen Valley Hospital and Saint Marys Medical Center.