DISC 2023
Speakers

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 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
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
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
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.
