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.

Renata Camino-Navaro, DDS, MS - Prosthodontist

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David Semeniuk, DDS, MS - Periodontist

Dr David Semeniuk is a board-certified specialist periodontist and Fellow of the International Team for Implantology. He completed his dental degree at the University of Western Australia before moving in private general practice in and around Perth, Western Australia. Dr Semeniuk then went on to complete an additional dental research focused degree at the University of Western Australia. Following this, he completed his specialist periodontal training and Masters of Science at the University of North Carolina Chapel Hill. Subsequently he practiced full time specialist periodontics in both Perth, Western Australia and in Richmond, Virginia, before taking up a full time position as Assistant Clinical Professor at Temple Kornberg School of Dentistry in Philadelphia, in the Department of Graduate Periodontology and Oral Implantology. He currently also maintains clinical privileges with-in the faculty dental practice at the Kornberg School of Dentistry.

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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.

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