About the Speakers

The PDL Center in Timberlake, North Carolina, partners with clinical and educational experts to offer quality, practical continuing dental education and mentoring to help transition your new knowledge and skills directly to your every day clinical practice. Let me introduce you to our highly experienced guest lecturers.

"Great speakers!  I have already applied what I have learned to practice." - Dr. K.B., Apex, NC

Matthew Hopfensperger, DDS, MS - Prosthodontist

Dr. Matthew Hopfensperger is an Adjunct Associate Professor at the University of North Carolina School of Dentistry teaching the Graduate Prosthodontic Residents and Post-Graduate Dental Implant Fellows. Since joining the faculty in 1998 he spent 21 years as a full-time instructor at UNC educating our future dentists and dental specialist in the areas of prosthodontics and implant dentistry. As Director of the DDS Dental Implant Program he was the driving force to build it into one of the most comprehensive dental implant curricula in North American dental schools and initiated the UNC Predoctoral Implant Surgery Course. During this time at UNC, he maintained active patient care in the Dental Faculty Practice specializing in dental implants, reconstructive/advanced restorative, and esthetic dentistry. He is now providing dental implant and advanced restorative care in private practice in Raleigh, NC. “Dr. Hop” has built a reputation for his attention to detail and a caring attitude toward his patients. Dr. Hop received his Doctor of Dental Surgery (DDS) degree with honors from the University of Michigan School of Dentistry, then attended a General Practice Residency (GPR) Program at Sinai Hospital in Detroit, Michigan to acquire further experience in oral surgery and complex dentistry. After gaining additional private practice experience, he returned to the University of Michigan and received a Master Degree in Prosthodontics. Upon graduation, he traveled Down Under to serve on the dental faculty of the University of Western Australia. 

In conjunction with his wife who is also a prosthodontist, they founded the first specialty practice of the Netherlands, which they operated together for five years until moving to North Carolina. They also founded the Practical Dental Learning Center which provides progressive continuing dental education courses for dentists. Dr. Hopfensperger has lectured nationally and internationally and is a lecturer and course director for the dental implant mini-residencies and bone grafting courses at the PDL Center.

Glenn Reside, DMD - Oral and Maxillofacial Surgeon

Dr. Reside joined the University of North Carolina faculty in July 2003. He is the Director of Dental Student Oral and Maxillofacial Surgery Education and the primary faculty for Dental Implantology in the Oral and Maxillofacial Surgery Residency program.  He earned his DMD degree from Washington University in St. Louis, Missouri, and entered military service to become a Special Forces Officer assigned to Vietnam.  After Dental School, he completed a General Practice Residency at Womack Army Hospital in Fort Bragg, North Carolina, and an Oral and Maxillofacial Surgery Residency at Brooke Army Medical Center in San Antonio, Texas.  He is a Diplomate of the American Board of Oral and Maxillofacial Surgery and a fellow of the American Association of Oral and Maxillofacial Surgeons.

Thiago Morelli, DDS, MS - Periodontist

Dr. Morelli is a Clinical Assistant Professor in the Department of Periodontology at the University of North Carolina in Chapel Hill. He earned his DDS degree at the University of Sao Paulo in Brazil.  He later earned a DDS degree from the University of Detroit Mercy, and a Certificate and Master's degree in Periodontology from the University of Michigan.  Dr. Morelli is a Diplomate of the American Board of Periodontology and a Fellow of the International Team for Implantology (ITI).  He serves as the Director of the Predoctoral Periodontal Program and the Postdoctoral Dental Implant Program at the University of North Carolina.  He has extensive clinical experience in treatment of periodontal diseases, soft tissue and bone graft procedures, and dental implants.  He actively participates in the UNC Dental Faculty Practice.

Ryan Cook, DDS, MS - Prosthodontist / Periodontist

Ryan Cook DDS MS is originally from North Carolina were he graduated from North Carolina State University with a Bachelor of Science in Biochemistry and a Bachelor of Arts in Chemistry. He received his Doctor of Dental Surgery from the University of Southern California. Upon the completion of dental school, he was trained at the University of Texas Health Science Center- San Antonio in a dual residency program in Periodontics and Prosthodontics. During his residency he completed his Master of Science exploring the topic of Periodontal Biotype and Labial Plate Thickness. He is a diplomate of the American Board of Prosthodontics and American Board of Periodontology. After maintaining a full time practice in Laguna Niguel, California he entered academia where he is currently a clinical associate professor and director of the Advanced Education in Prosthodontics at the University of North Carolina at Chapel Hill School of Dentistry.

Jonathan Reside, DDS, MS - Periodontist

Dr. Reside is a Clinical Assistant Professor in the Department of Periodontology at University of North Carolina School of Dentistry and a Diplomate of the American Board of Periodontology. His BS degree in Cellular and Structural Biology was from the University of Illinois. 
He completed his DDS degree with Honors and received his Specialty Certificate in Periodontology at UNC School of Dentistry.  Dr. Reside is active in clinical research focusing on bone augmentation and dental implants. He was the recipient of the prestigious UNC 2013 Richard F. Hunt Memorial Award, recognizing his excellence in teaching.

Robert Humphries, DDS, MS - Prosthodontist

Dr. Humphries earned his DDS in 1985 then a MS in Prosthodontics in 1988, both from the University of Michigan School of Dentistry.  During his graduate program, he also taught at U of M in the graduate and undergraduate clinics in both Perio and Prosth.  Dr. Humphries has 27 years of extensive practical experience.  He has given numerous presentations on topics relating to prosthodontics and dental implant procedures.  Dr. Humphries has served on the Board of Directors and acted as President for the Kalamazoo Valley District Dental Society He has also been active in the Michigan Society of Prosthodontists and is currently the Co-Chair of the American College of Prosthodontists Education Foundation, Immediate Past President of the Michigan Section of the American College of Prosthodontists and has served as a delegate during their national meetings.  Additionally he is a member of multiple dental and prosthodontic organizations.

Sian Kwa, DDS, MS - Prosthodontist

Dr. Kwa graduated from the University of Amsterdam, The Netherlands in 1987 earning her DDS degree and writing a thesis on Occlusion and TMJ Sounds.  After earning her MS degree in Prosthodontics from the University of Michigan in 1990 she continued at U of M to teach in the Department of Occlusion and treat patients in the TMJ and Pain Clinic.  She then returned to the Department of Functional Anatomy at the Academic Medical Center of Amsterdam to work on a PhD doing basic science research on the Motor Units of Masseter Muscle and teach Head and Neck Anatomy.  Upon returning the States she taught Prosthodontics at the University of North Carolina.  Dr. Kwa is currently the Educational Director for the Practical Dental Learning Center.

Don Tyndall, DDS, MSPH, PhD - Oral and Maxillofacial Radiologist

Professor Don Tyndall is Professor in the Department of Diagnostic Sciences and General Dentistry at the University of North Carolina School of Dentistry (UNC). He received his D.D.S. in 1980 from the UNC School of Dentistry, his M.S.P.H. in Radiological Hygiene from the UNC School of Public Health in 1984, and his Ph.D. in Health Physics and Radiation Biology from UNC in 1988. He became a Diplomate of the American Board of Oral and Maxillofacial Radiology in 1990. In 2009 Professor Tyndall was elected a fellow of the International College of Dentists. He has taught at UNC for 35 years and maintains a private practice within the School of Dentistry.  His research interests include: 3-D digital imaging, caries detection, applications of cone beam computed tomography in dentistry and cone beam CT interpretation. His has over 100 scientific publications and was awarded the Weurhmann Prize for best oral radiology research publication in 2001.

"Excellent information supported by the literature" - Dr. R.H., Portage, Michigan