OUR
FACULTY
Your Educators and Community
Comprised of some of the finest minds in all aspects of clinical dentistry.
Dan Butterman
Chief Dental Officer
CAD/CAM Faculty
Dr. Dan Butterman is a 1994 graduate of the University of Maryland School of Dentistry. He also is a graduate of the Misch International Implant Institute and a Fellow of the International Congress of Oral Implantologists.
He has completed courses on advanced implant restorative dentistry with Dr Carl Misch and has received a Fellowship from the Misch Institute as well as a Fellowship and Mastership from the International Congress of Oral Implantologists. He is a member of the Academy of Osseointegration, the American College of Prosthodontists and the prestigious PEERS prosthodontic association. He was also named LMT magazine’s top 40 technicians in the US under 40. Over the years, Jack has been an integral part in the research and development of many of today’s top restorative dental materials. He is on the editorial advisors’ board for Dental Lab Products magazine and Spectrum Dialog magazine. Jack has studied and restored cases with many of the world’s top clinicians. In 2022, he received the NADL Excellence in Education award as well as the Technician Leadership award from the American College of Prosthodontists.
Shivi Gupta
Faculty Chair
CAD/CAM Faculty
Dr. Shivi Gupta owns a private practice in San Diego, California that is focused on CAD/CAM and CBCT technology. Over the course of her 19 years in practice, her passion for digital technology has led her to use CAD/CAM to its fullest potential for crowns and bridges, implants, smile designs, and orthodontics.
Dr. Gupta serves as CDOCS Faculty Chair, is a KOL speaker and Beta tester for Dentsply Sirona, a product consultant for various dental companies, and an advanced trainer for Patterson Dental. She has lectured internationally on CAD/CAM and digital dentistry. Dr. Gupta is a graduate of the University of Manitoba, Canada and the Advanced Education in General Dentistry residency from The University of Texas Health Science Center in San Antonio.
Heidi Kohltfarber
CONE BEAM Faculty
Dr. Heidi Bridget Kohltfarber is the owner and managing oral and maxillofacial radiologist for Dental Radiology Diagnostics and a Dentsply Sirona 3D trainer. In addition, she is an adjunct professor in the Department of Diagnostic Sciences at the University of North Carolina at Chapel Hill.
She received her DDS degree from Loma Linda University in 2003 and in 2012 she received her master’s degree in Oral and Maxillofacial Radiology from UNC-Chapel Hill. Her master’s research compared 2D versus 3D radiography in the treatment planning of root canal-treated teeth with apical radiolucencies. In 2017, Dr. Kohltfarber received her PhD in Diagnostic Imaging with an emphasis in craniofacial radiology at King’s College London focusing on the Validation and Diagnostic Efficacy of 3D Surface Models in Dentistry: Temporomandibular Joints.
Anthony Ponzio
CAD/CAM Faculty
Dr. Anthony Ponzio is a 2004 graduate of the University of Illinois College of Dentistry. He currently practices in Oak Park, Illinois with a special focus on technology in dentistry. He is also the Clinical Director of P1 Dental Partners, a DPO with offices throughout the Midwest.
Dr. Ponzio has been a CEREC Basic and Advanced Trainer for over a decade, and is a key opinion leader and product evaluator for multiple companies. He also spent seven years on the Clinical Faculty at Midwestern University’s College of Dental Medicine, where he helped integrate CEREC CAD/CAM technology into the curriculum.
Dr. Ponzio has trained dentists and their team members from all over the world, coaching them on how to effectively integrate technology into their offices, and make for a vastly improved patient experience and a more productive dental practice. Dr. Ponzio enjoys spending his free time with his wife and three sons, whether that is traveling and exploring new places or staying home and being disappointed by Chicago sports teams.
Brian LeSage
CAD/CAM Faculty
Brian P. LeSage, DDS, FAACD graduated magna cum laude with the Omicron Kappa Upsilon Honor Dental Society award from the University of Maryland, Baltimore College of Dental Surgery in 1983. He has actively integrated academic pursuits with private practice, first in Washington DC, and now for 31 years in Beverly Hills, California, emphasizing esthetic and reconstructive dentistry.
One of 390 accredited cosmetic dentists in the worldwide American Academy of Cosmetic Dentistry (AACD), Dr. LeSage was appointed as Consultant and Examiner for the AACD accreditation process in 1995. He was awarded the status of Fellow in the AACD in 2002. He facilitated the Fellowship Chair for the academy from 2004-2013. He was awarded the Excellence in Cosmetic Dental Education Award by the Academy in 2009, and was inducted as a member of the American Academy of Esthetic Dentistry (AAED) also in 2009. He became an AAED Fellow member in 2014, making him one of only three dentists worldwide with this combination of Fellowship credentials.
Dr. LeSage is the founder and director of the University of California, Los Angeles, (UCLA ) Esthetic Continuum Levels I and II since 1997. These programs teach practicing dentists the art and science of cosmetic dentistry. He is also the director of The Beverly Hills Institute of Dental Esthetics. The institute offers small study clubs and mentoring.
Dr. LeSage practices and teaches truly minimally invasive dentistry: the most conservative, least invasive, predictable restoration of teeth to normal form and function with tooth-colored materials. His national and international symposia lectures offer practical, attainable techniques in adhesive and cosmetic dentistry to help clinicians raise theirlevel of expertise and change their dentalpractice philosophy.
Dr. LeSage is a Fellow with the Academy of General Dentistry. He is recognized annually as a Leader in CE and a Top Clinician in CE through Dentistry Today magazine. He has published several chapters on veneers and bonding as well as extensively written over 25 articles in dental publications. He has given over 600 lectures to his dental colleagues andDr. LeSage would tell you that is his way of“giving back” to the profession he loves.
Darin O’Bryan
CONE BEAM Faculty
Dr. Darin O’Bryan graduated in 1997 from the University of Minnesota School of Dentistry. He practiced in Minneapolis for 7 years in a large group practice before moving to the coast of Oregon. Dr. O’Bryan currently resides in Coos Bay/North Bend where he has a private practice focusing on implant and digital dentistry.
Dr. O’Bryan is faculty with CDOCS at the Scottsdale Center for Dentistry. He is also a basic and advanced trainer for Patterson, a Beta tester for Dentsply Sirona and product tester for dental manufacturers. He is an internationally published author on digital and CAD/CAM dentistry and has mentored hundreds of dentists on how to integrate technology into their office.
Dr. O’Bryan holds affiliations with the American Dental Association, American Academy of General Dentistry, American Academy of Cosmetic Dentistry, and the American Academy of Implant Dentistry. Dr. O’Bryan has two wonderful daughters with his beautiful wife; they all enjoy sailing in their free time.
Diwakar Kinra
ENDODONTICS Faculty
Dr. Diwakar Kinra grew up in Flint, Michigan and attended Powers Catholic High School. He received his dental degree from the University of Michigan, School of Dentistry in 1999. At that time he proceeded into private practice for the next 3 years. In 2002, he returned to obtain his master’s degree in endodontics at the University of Detroit-Mercy, School of Dentistry. In 2004, after the completion of his postgraduate degree, he immediately returned home to begin his solo private practice limited to endodontics in Flint, Michigan.
Dr. Kinra has spoken on clinical endodontics and practice management since 2005. He has spoken at over 20 universities domestically and internationally. In 2008 Dr. Kinra also accepted a dual position as an adjunct professor at The University of Detroit-Mercy endodontic and periodontic departments. In his spare time Dr. Kinra is very active spending time with his son and triplet daughters. He also enjoys playing tennis, water sports, snowboarding, and anything outdoors.He owes much of his success to his wife of 12 years, Disha Kinra.
Don Tyndall
CONE BEAM Faculty
Dr. Don Tyndall is Professor in the Department of Diagnostic Sciences at the UNC School of Dentistry and Director of Radiology. He received his DDS in 1980 from the UNC School of Dentistry, his MSPH in 1984 and his PhD in 1988 from the UNC School of Public Health.
Dr. Tyndall has been the Director of Radiology for the School of Dentistry from 1988 to the present. He is a Diplomate of the American Board of Oral and Maxillofacial Radiology and was a Director and past President from 1995-1999. Dr. Tyndall has twice served as the Councillor for Scientific Affairs and Public Policy of the Executive Council of the American Academy of Oral and Maxillofacial Radiology. In addition, he is a fellow in the International College of Dentists.
His research interests include 3D digital imaging, 2D and 3D caries detection, applications of CBCT in dentistry, and artificial intelligence in radiologic diagnosis. His work as author or co-author has been published in more than 120 journal articles.
Vishal Sharma
CAD/CAM Faculty
Dr. Vishal Sharma brings more than 20 years of experience in clinical practice, education, and operational leadership to CDOCS. Dr. Sharma previously oversaw 580 practices as director of clinical operations for Dentalcorp, and continues to practice dentistry in Calgary. A practicing clinician and international lecturer, Dr. Sharma is known for his expertise in digital technology and orthodontics.
Farhad Boltchi
IMPLANT Faculty
A dental industry technical, operational, and management guru with over four decades of experience, Jimmy Stegall, CDT is also a clinical educator, published author, and Key Opinion Leader for multiple dental organizations. His impressive career includes 35 years growing and leading a major dental lab in the Southeast, presenting hundreds of educational and training events on implant and prosthetic restoration, and being recognized as the 2024 NADLEducator of the Year.
Jimmy now heads up his own firm, Here To Serve Dental LLC, where he provides expertise as a thought leader, trainer, educator, and mentor to advance cutting edge digital techniques in dental practices and laboratories across North America.
Jack Marrano
CAD/CAM Faculty
Jack Marrano is an international speaker and the President of Absolute Dental Laboratory Group located in the Triangle region of North Carolina. Jack, a former Marine, started his ceramics career in 2002.
He has completed courses on advanced implant restorative dentistry with Dr. Carl Misch and has received a Fellowship from the Misch Institute as well as a Fellowship and Mastership from the International Congress of Oral Implantologists. He is a member of the Academy of Osseointegration, the American College of Prosthodontists, and the prestigious PEERS prosthodontic association. He was also named LMT magazine’s top 40 technicians in the US under 40.
Over the years, Jack has been an integral part in the research and development of many of today’s top restorative dental materials. He is on the editorial advisors’ board for Dental Lab Products magazine and Spectrum Dialog magazine. Jack has studied and restored cases with many of the world’s top clinicians. In 2022, he received the NADL Excellence in Education award as well as the Technician Leadership award from the American College of Prosthodontists.
Jimmy Stegall
3D PRINTING Faculty
A dental industry technical, operational, and management guru with over four decades of experience, Jimmy Stegall, CDT is also a clinical educator, published author, and Key Opinion Leader for multiple dental organizations. His impressive career includes 35 years growing and leading a major dental lab in the Southeast, presenting hundreds of educational and training events on implant and prosthetic restoration, and being recognized as the 2024 NADLEducator of the Year.
Jimmy now heads up his own firm, Here To Serve Dental LLC, where he provides expertise as a thought leader, trainer, educator, and mentor to advance cutting edge digital techniques in dental practices and laboratories across North America.
Kevork Manoukian
CAD/CAM Faculty
Dr. Manoukian graduated from the University of Montreal in 1994. He then completed a multidisciplinary residency at St. Mary’s Hospital. He is the education coordinator for the dental department of the same hospital and is the author of several scientific papers published in Canadian dental journals.
His passion for dentistry and administration led him to obtain an MBA from the HEC in 1998, where he graduated with the Rudolphe Clément Award for Best Entrepreneur. His multidisciplinary dental practice reflects the special care and attention he shares for his patients who are at the heart of his profession.
Those who already know him are not surprised to see his strong interest in technology in the dental environment as well as his everyday life. He is a certified CDOCS Mentor and regular speaker at the Dentsply Sirona Academy in Toronto. He has also had the pleasure of lecturing for Henry Schein, JDIQ, Pacific Dental Conference, Maritime Dental Convention, and multiple other dental societies across the country.
Mark Fleming
CAD/CAM Faculty
Mark J. Fleming, DDS is a 1978 graduate of The Ohio State University College of Dentistry. Dr. Fleming has spoken to several international groups on CEREC technology and has served on the Board of an international academy which furthered the understanding and use of computerized technologies and machinable restorative materials in dentistry.
He has served as a consultant to a variety of dental manufacturers helping in product evaluation and design. Dr. Fleming has been a CEREC user since 2001, and a past beta tester for the CEREC software. He is Senior Resident Faculty at CDOCS. He has been a Basic and Advanced Trainer for Patterson Dental for CEREC technology and Editor for CDOCS.com the Magazine.
Mark Ludlow
IMPLANT Faculty
Dr. Mark Ludlow is the Section Head of Implant Dentistry, Digital Dentistry, and Removable Prosthodontics at the University of Utah School of Dentistry. He completed his DMD dental training at the University of Connecticut and received his MS in prosthodontics from the University of North Carolina.
Dr. Ludlow has been involved in various research projects along with product development and alpha/beta testing with numerous dental companies and implant manufacturers. He has lectured nationally and internationally on a variety of topics involving surgical implant placement and restoration, guided implant surgery, digital dentistry, and fixed prosthodontics. As a practicing and teaching prosthodontist, Dr. Ludlow’s passion is in the development and integration of digital technology in the practice of everyday implant and restorative dentistry.
Melonie MacDonald
CAD/CAM Faculty
Dr. Melonie MacDonald’s journey in dentistry began as a Dental Assistant, graduating from NAIT in 1989. After years of hands-on experience, she pursued further education, earning her BSc in 1998 and her DDS in 2000 from the University of Alberta.
With over 30 years of experience in dentistry, Dr. MacDonald transitioned from working as an Associate Dentist to establishing her own successful, fully digital practice, Citadel Dental, in St. Albert, Alberta. In just over four years, the practice has grown rapidly from 4 operatories to 9, largely driven by the adoption of cutting-edge digital technologies.
Dr. MacDonald is committed to continuous learning, having attended LVI Global and Spear Education, and most recently participated in exclusive retreats at Dr. Frank Spear’s home on Whidbey Island, an experience she calls “the highlight of her career.” Her expertise spans a wide range of treatments, including pedodontics, endodontics, prosthetic dentistry, smile design, and injectable esthetic treatments. She has been providing clear aligner treatments since 2003 and is a passionate advocate for CEREC and digital dentistry.
As a Key Opinion Leader (KOL) for Dentsply Sirona, Dr. MacDonald enjoys empowering fellow women in dentistry and sharing her enthusiasm for digital innovation with both colleagues and patients.
Outside the clinic, Dr. Mel enjoys cycling, triathlons, and spending time with her husband, Kevin, and their three dogs.
Michael Parchewsky
CONE BEAM Faculty
A faculty member of CDOCS and KOL/Beta tester for Dentsply Sirona, Dr. Michael Parchewsky completed his DMD at the University of Saskatchewan. Having completed an OMFS Fellowship at the Albert Einstein College of Medicine, he focuses on CAD/CAM, 3D CBCT for implants, restorative, and sleep dentistry.
He is the Chief Clinical Officer for the Passion Dental Group and oversees the Passion U Education Platform. He has a role in development of AI technology as the Director of Clinical Protocols for OraQ AI software. He is a partner with Digital Workflow Dentistry, an online platform for podcasts, technology reviews, and lectures. Dr. Parchewsky consults on technology in healthcare and is an international lecturer on Artificial Intelligence.
Rich Rosenblatt
CAD/CAM Faculty
Dr. Rosenblatt has been practicing in the Chicagoland area since 1999 and presently owns Forest North Dental in Lake Bluff, IL which focuses on CAD/CAM and digital dentistry. He founded the Northern Illinois CEREC Study Club in 2005 which was one of the largest of its kind worldwide. He and his partners started The Chicago Study Club in 2017, a comprehensive dental study club in Chicago.
He is a basic trainer for Patterson Dental and has been a software Alpha and Beta tester for Sirona Dental Systems. He moderates the CEREC forum on Dentaltown.com and has lectured internationally regarding CAD/CAM and digital dentistry. He is a Clinical Leader in Illinois for Imagen Dental Partners who trains other partner dentists in various aspects of digital dentistry.
Dr. Rosenblatt grew up in Ocean Twp, NJ. He graduated from Muhlenberg College in 1991 and went on to obtain his DMD degree from the University of Medicine and Dentistry of NJ. He completed a GPR at St. Joseph’s Medical Center in Reading, PA. He is married with 3 children and enjoys skiing and playing golf when he gets some free time.
Shalin Shah
ORTHODONTICS Faculty
Dr. Shah maintains two active orthodontic practices in Princeton Junction, NJ and Lawrenceville, PA (Center for Orthodontic Excellence) and was previously serving as a Clinical Associate in the Department of Orthodontics at the University of Pennsylvania for nine years. He received his BA, DMD, Certificate in Orthodontics, and Master’s of Science in Oral Biology from the University of Pennsylvania.
Dr. Shah is a Diplomate of the American Board of Orthodontics and member of the AAO, ADA, American Cleft Palate and Craniofacial Association, and SCADA among other notable professional organizations. At the University of Pennsylvania, he has lectured on orthodontic records, space analyses, cephalometrics, career development, growth & development, biology of the temporomandibular joint (TMJ), occlusal appliances, practice management, and preventive & interceptive orthodontics as well as various other topics. He also provides didactic and clinical instruction for pre-doctoral students and orthodontic residents. Dr. Shah has received awards for Excellence in Clinical Education (2014) and Excellence in Didactic Education (2016) from the University of Pennsylvania.
Dr. Shah’s research interests primarily include the biological sensitivity of the TMJ. He has conducted novel research on Type III collagen-deficient mice looking at their skeletal development and maintenance, including effects on the TMJ. He is published in various dental and orthodontic peer-reviewed journals. Additionally, he has received several research awards, most notably the 2004 Vernon J. Brightman Research Society Award from the University of Pennsylvania, the 2004 ADA/Dentsply Student Clinician Research Award, the 2006 Quintessence Award for Research Achievement from the University of Pennsylvania, the 2006 Drabkin Memorial Prize for Research in Biochemistry from the University of Pennsylvania, the 2009 Musculoskeletal Disorders Annual Scientific Symposium Poster Award from the University of Pennsylvania, the 2010 Charley Schultz Resident Scholars Award from the American Association of Orthodontists, and the 2010 William S. Kress Award from the Mid-Atlantic Society of Orthodontists.
Steven Hernandez
CONE BEAM Faculty
Dr. Hernandez has maintained a private practice in Nashville, TN since 2008. With over ten years of CEREC experience and eight utilizing CBCT, he has delivered thousands of restorations and utilizes conebeam guided implant surgery to provide his patients the least invasive and most efficient procedures available.
He works as a CEREC trainer for Patterson Dental and has been a CDOCS Mentor since 2013! Most recently, he has incorporated 3D in-office printing and sleep dentistry into his practice. As his career has advanced, he has greatly enjoyed sharing his experiences with other dentists as well as helping them incorporate these advancements into their practices so that they develop the same passion and success for providing excellent dentistry that hehas received.
Varisha Parikh
CAD/CAM Faculty
Dr. Varisha Parikh is a private practice prosthodontist in Los Angeles, California. She completed her degree in dental medicine at the Arizona School of Dentistry and Oral Health and obtained her specialty training in Prosthodontics at the University of California, Los Angeles.
Her practice primarily focuses on utilizing digital technology for complex rehabilitation cases. Dr. Parikh is also a clinical instructor with the Advanced Prosthodontics Residency Program at UCLA. She enjoys sharing her clinical expertise and experience with colleagues as a speaker on the topics of digital technology, implant fixed and removable prosthodontics, and practice development.
Jonathan Ford
3D PRINTING Faculty
SLEEP THERAPY Faculty
Dr. Jonathan Ford graduated from the University of Pennsylvania, School of Dental Medicine in 2007 with honors in Pharmacology and was awarded the National Board Achievement Award upon graduation.
He is also a Diplomate with the American Board of Dental Sleep Medicine. He jumped into the world of digital dentistry several years ago and has loved every minute of it. He is a regular contributor to Dental Economics and CDOCS Magazines. He practices full time at his private practice in Huntington Beach, CA where he offers his patients comprehensive care that includes screening and treating patients with Obstructive Sleep Apnea (OSA).
Volinder Dhesi
CAD/CAM Faculty
Dr. Volinder S. Dhesi is a 2003 graduate of the University of Saskatchewan. His practices are in Calgary, Alberta, with his scope primarily restorative focused, including comprehensive esthetics and CAD/CAM dentistry. He is a graduate of the Kois Center and the Las Vegas Institute.
He is a Key Opinion Leader for Dentsply Sirona and a teaching faculty member at Dentsply Sirona Academy Canada. Outside of Dentistry, he spends much of his spare time with his wife of 20 years and their three children. He is WSET 3 certified in wine and spirits and shares his passion for wine and dentistry on his Instagram handle @thedentalwineguy.
Kricket Doker
CAD/CAM Faculty
Kricket is a Registered Dental Technician and Certified Dental Assistant based in Upstate South Carolina. She thrives in the private practice setting, where her passion lies in the technology side of dentistry. Kricket is dedicated to providing exceptional patient care through CAD/CAM dentistry, working chairside with each patient to ensure their prosthetic is of the highest quality.
As a Key Opinion Leader for Dentsply Sirona, Kricket remains at the forefront of dental technology and is a recognized expert in all aspects of digital dentistry.
Our Visiting Faculty
The CDOCS Visiting Faculty is a by-invitation group of doctors who represent the very best of the profession of digital dentistry. Recognized by their peers for their professional dedication and clinical skills, they devote time to mentor and guide other dentists to reach the same level of excellence.
Dr. Aleksandra Morel
Visiting Faculty
Dr. Aleksandra Morel is the founder of Smiles by Morel in Plano, Texas, where she has been practicing comprehensive family dentistry since 2005. She graduated from Baylor College of Dentistry in 2004 and focuses on digital workflows and advanced restorative care, integrating CAD/CAM technology, 3D imaging, implant planning, and in-office fabrication to deliver precise and efficient treatment. Her clinical practice includes dental implants and orthodontic alignment, with an emphasis on long term function, esthetics, and patient-centered care.
As a Visiting Faculty member at CDOCS, Dr. Morel is committed to continuing education and mentoring colleagues in the practical application of digital dentistry. She is passionate about helping clinicians confidently integrate technology into everyday practice to elevate both clinical outcomes and the overall patient experience. Outside of dentistry, her hobby is nature and aviation photography.
Bill Claytor
Visiting Faculty
J. William “Bill” Claytor, Jr., DDS, MAGD-LLSR, FACD is a nationally recognized dental professional with expertise in general dentistry, substance use disorders, mental health, and burnout prevention. Since 2022, he has served as Executive Director of North Carolina Caring Dental Professionals. He is also a visiting faculty member at Spear Education in Scottsdale, Arizona.
Dr. Claytor was honored with the 2025 American Dental Association Distinguished Service Award, the ADA’s highest recognition, and was inducted that same year as a Fellow of the American College of Dentists. He also holds Fellowship and Mastership distinctions from the Academy of General Dentistry, as well as its prestigious Lifelong Learning and Service Recognition Award. His national leadership includes serving as Consultant to the ADA Council on Scientific Affairs, participating in the ADA Health & Well-Being Summit, and a contributing panelist for the development of the ADA’s Evidence-based Guidelines on Acute Dental Pain.
A sought-after speaker and educator, Dr. Claytor lectures widely on the opioid epidemic, patient cannabis use in dentistry, and the challenges of burnout and perfectionism. He has presented at major universities and professional meetings across the country, including the University of Pennsylvania School of Dental Medicine, New York University College of Dentistry, the Michigan and Colorado Dental Associations, the North Carolina Dental Society, CAPTASA Addictions Conference, and the Federation of State Physician Health Programs.
Chifan (David) Tai
Visiting Faculty
Chifan (David) Tai, DMD, is an experienced clinician, educator, and entrepreneur with a longstanding focus on digital dentistry. He earned his Doctor of Dental Medicine from the University of Pennsylvania School of Dentistry in 1994, following a Bachelor of Dental Surgery from Taipei Medical University in 1991.
Dr. Tai is a certified CEREC trainer with Dentsply Sirona and serves as visiting faculty for CDOCS, where he contributes to advancing clinical education in CAD/CAM workflows. He is also an active Key Opinion Leader, collaborating with companies such as Medit (2023–2024), ARDS Implant, and GC Taiwan, helping to shape innovation and adoption of digital technologiesin dentistry.
In addition to his clinical and educational roles, Dr. Tai is a dedicated leader and entrepreneur. He founded Sunrise Dental Center in Taichung, Taiwan, in 1995, and later established the Taiwan CAD/CAM Dental Institute to support the growth and development of digital dentistry in the region.
Frank Diaz
Visiting Faculty
Dr. Frank Diaz immigrated to the United States from Mexico as a child, overcoming significant challenges to become the first in his family to attend college. He earned both his Bachelor’s degree and Doctor of Dental Surgery (DDS) from the University of North Carolina at Chapel Hill. Following graduation, Dr. Diaz joined one of the largest Federally Qualified Health Centers in North Carolina, where he spent nearly a decade delivering essential oral healthcare and helping expand dental services to rural and underserved communities across the state.
Today, Dr. Diaz serves as the Director of a Latino-focused nonprofit dental clinic located in Charlotte, North Carolina, where he oversees all aspects of operations and leads initiatives designed to support uninsured and low-income patients. He brings a deep understanding of the cultural, social, and economic challenges facing the Latino community, along with a strong commitment to compassionate, patient-centered care.
In addition to his clinical and leadership responsibilities, Dr. Diaz serves as a clinical preceptor for rising fourth-year UNC dental students during their rotations. He mentors and trains future dentists in all aspects of comprehensive care, including the latest advancements in digital dentistry. His instruction includes CEREC technology, same-day crown fabrication using Primemill, and 3D dental printing applications with Primeprint—ensuring students gain hands-on experience with cutting-edge tools that enhance precision, efficiency, and patient outcomes.
Louis Passauer, Jr.
Visiting Faculty
Dr. Louis Passauer is a New Orleans native and a graduate of the University of New Orleans, where he was a member of the Division I golf team. He earned his Doctor of Dental Surgery degree from the LSU School of Dentistry in 1999. During his time in dental school, he served as class president from his sophomore through senior years and participated on multiple school committees.
He earned his dental degree from the Medical University of South Carolina in 2007 after completing his undergraduate studies at the College of Charleston in 2002, and is a graduate of the Kois Center, reflecting his commitment to continued clinical excellence.
Outside the practice, he enjoys spending time with his wife, Emily, their children Audrey and James, and their Labradoodle, Hershey.
Matthew Hubis
Visiting Faculty
Based in private practice in Rock Hill, South Carolina, he has been delivering patient-centered care with a strong focus on digital dentistry since becoming a CEREC user in 2010.
He earned his dental degree from the Medical University of South Carolina in 2007 after completing his undergraduate studies at the College of Charleston in 2002, and is a graduate of the Kois Center, reflecting his commitment to continued clinical excellence.
Outside the practice, he enjoys spending time with his wife, Emily, their children Audrey and James, and their Labradoodle, Hershey.
Melissa Meier
Visiting Faculty
Dr. Melissa Meier has been passionate about providing high-quality dentistry to her community for over two decades. After graduating from the University of Kentucky College of Dentistry in 2001, she began building a practice centered on patient comfort, advanced technology, and long-term relationships. Since 2009, Dr. Meier has incorporated CEREC technology into her practice, allowing patients to receive same-day treatment and digital dentistry with greater convenience and precision.
Today, Dr. Meier leads a large and thriving dental practice in Cincinnati, Ohio, where she and her team are dedicated to delivering modern, personalized dental care in a welcoming environment. She takes great pride in helping patients feel comfortable, informed, and confident in their smiles.
What Dr. Meier enjoys most about dentistry is the ability to combine technology, artistry, and patient care to make a real difference in people’s lives. She truly loves what she does and feels grateful to serve the community she calls home. Outside of the office, Dr. Meier and her husband Ed have enjoyed raising their three amazing boys. She enjoys boating with her family and is always up for a scuba diving adventure.
Dr. Russell Mann
Visiting Faculty
Dr. Russell Mann is a general dentist serving the Manchester, New Hampshire area with a strong focus on restorative dentistry, dental implants, IV sedation, and advanced digital dentistry. He practices in a fee-for-service environment focused on comprehensive, relationship-based care and individualized treatment planning.
Dr. Mann is licensed to provide moderate unrestricted IV sedation in the state of New Hampshire, a distinction held by only a limited number of general dentists statewide.
He has advanced training in restorative and implant dentistry, hard and soft tissue grafting, guided implant surgery, CAD/CAM technology, and 3D printing. Dr. Mann incorporates modern digital workflows, including CEREC technology, to provide efficient, precise, and comfortable treatment for his patients.
Committed to continuing education and clinical excellence, Dr. Mann has trained with many of the leading educators in implant dentistry. His practice philosophy centers on delivering exceptional patient care while utilizing the latest technology to improve outcomes, comfort, and overallpatient experience.
Outside of dentistry, Dr. Mann enjoys spending time with his family, international travel, and caring for his large saltwater reef aquarium.
Shawn Sharp
Visiting Faculty
A 1997 graduate of Case Western Reserve School of Dental Medicine, Dr. Sharp found the power of digital technology with the installation of his first intraoral radiograph machine in 1998 followed by his first digital panoramic machine in 2000. Seeing the impact digital procedures had in dentistry, Dr. Sharp implemented CEREC (CAD/CAM) technology which allows patient to have final restorations created the same day.
With 28 years of clinical experience, Dr. Sharp has become a passionate advocate of digital technology, especially CAD/CAM technology and same day restoration. He is visiting faculty and mentor to CDOCS, a beta tester and Key Opinion Leader (KOL) to companies such as Dentsply Sirona, VITA, Ivoclar, Coltene, Atlantis, 3M, and Midmark. Dr. Sharp is a CEREC trainer and teaches techniques and workflows of the CEREC ecosystem that he uses every day in his own busy practice. He feels that digital dentistry has provided esthetic and efficient dentistry to every patient he treats, while providing increased comfort and satisfaction.
Dr. Sharp has furthered his education in the areas of sleep medicine, having attended training by Dr. Barry Glassman along with hundreds of hours of continuous education in this field. He has provided sleep therapy for over 20 years, and enjoys helping patients recover their health. Dr. Sharp is a member of the International Dental Implant Association and has worked with dental implants his entire career and completed his surgical training by providing implant treatment in the Dominican Republic with Dr. Arun Garg. Dr. Sharp has studied with forefront dental educators such as Dr. Frank Spear,
Dr. Bill Strupp, Dr. Ross Nash and the entire faculty at Spear Education. Dr. Sharp is a member of the American Dental Society, Northwest Ohio Dental Society, American Academy of Dental Sleep Medicine, and a Fellow in the Academy of General Dentistry.
Yao-Lin Tang
Visiting Faculty
Dr. Yao-Lin Tang’s formative years were spent on the island nation of his birth, Taiwan, where he received his Bachelor of Science in Dental Surgery. He later ventured to California to receive his Doctor of Dental Surgery degree from University of Pacific School of Dentistry, and began his first practice in 1995. He has over twenty years of practical knowledge in cosmetic and general dentistry.
Far flung endeavors across the world have flavored Dr. Tang’s professional and personal experiences. In 2014, he has acted as a professional mentor at the Sirona CEREC Train the Trainer, held in Bensheim, Germany, wherein he shares his knowledge in CEREC CAD/CAM Restoration Systems and Digital Radiography—technology at the forefront of his current practice in San Mateo, California. Further, he is a mentor and visiting faculty at CDOCS, a Patterson-certified CEREC trainer, and a KOL/Speaker for the GC America, VITA North America, and HASS Bio.
Still, Yao-Lin finds time for the finer things: m oments spent exploring abroad with his family, a passion for photography, and—now and then—a fantastic round of golf.
Ryan Bucher
Visiting Faculty
Ryan Bucher grew up in Olathe and loves serving the community in which he is so comfortable and familiar. After earning a Bachelors of Science in Biology he followed in his father’s footsteps and studied at UMKC School of Dentistry for his D.D.S. degree. Dr. Bucher is a member of the American Dental Association, Kansas Dental Association, Fifth District Dental Society, American Academy of Implant Dentistry, and participates as a Visiting Faculty for CDOCS.
He has been practicing general dentistry for more than 25 years and owns a private practice in Mandeville, Louisiana. Dr. Passauer is a member of the American Dental Association, Louisiana Dental Association, and Northlake Dental Association, where he served as president in 2005. He was recently recognized with the ADA 25-Year Certificate of Membership. His approach to patient care emphasizes collaborative planning to address current dental concerns while supporting long-term oral health. In addition to clinical practice, Dr. Passauer participates in continuing education as a Key Opinion Leader for Dentsply Sirona and as Visiting Faculty for CDOCS. He has presented educational programs for Henry Schein, Patterson Dental, and Dentsply Sirona on topics including implantology, CBCT imaging, digital dentistry workflows, CEREC, restorative techniques, inLab, and 3D printing. He also takes part in technology beta testing and ongoing professional development.
Dr. Aleksandra Morel
Visiting Faculty
Dr. Aleksandra Morel is the founder of Smiles by Morel in Plano, Texas, where she has been practicing comprehensive family dentistry since 2005. She graduated from Baylor College of Dentistry in 2004 and focuses on digital workflows and advanced restorative care, integrating CAD/CAM technology, 3D imaging, implant planning, and in-office fabrication to deliver precise and efficient treatment. Her clinical practice includes dental implants and orthodontic alignment, with an emphasis on long term function, esthetics, and patient-centered care.
As a Visiting Faculty member at CDOCS, Dr. Morel is committed to continuing education and mentoring colleagues in the practical application of digital dentistry. She is passionate about helping clinicians confidently integrate technology into everyday practice to elevate both clinical outcomes and the overall patient experience. Outside of dentistry, her hobby is nature and aviation photography.
Bill Claytor
Visiting Faculty
J. William “Bill” Claytor, Jr., DDS, MAGD-LLSR, FACD is a nationally recognized dental professional with expertise in general dentistry, substance use disorders, mental health, and burnout prevention. Since 2022, he has served as Executive Director of North Carolina Caring Dental Professionals. He is also a visiting faculty member at Spear Education in Scottsdale, Arizona.
Dr. Claytor was honored with the 2025 American Dental Association Distinguished Service Award, the ADA’s highest recognition, and was inducted that same year as a Fellow of the American College of Dentists. He also holds Fellowship and Mastership distinctions from the Academy of General Dentistry, as well as its prestigious Lifelong Learning and Service Recognition Award. His national leadership includes serving as Consultant to the ADA Council on Scientific Affairs, participating in the ADA Health & Well-Being Summit, and a contributing panelist for the development of the ADA’s Evidence-based Guidelines on Acute Dental Pain.
A sought-after speaker and educator, Dr. Claytor lectures widely on the opioid epidemic, patient cannabis use in dentistry, and the challenges of burnout and perfectionism. He has presented at major universities and professional meetings across the country, including the University of Pennsylvania School of Dental Medicine, New York University College of Dentistry, the Michigan and Colorado Dental Associations, the North Carolina Dental Society, CAPTASA Addictions Conference, and the Federation of State Physician Health Programs.
Chifan (David) Tai
Visiting Faculty
Chifan (David) Tai, DMD, is an experienced clinician, educator, and entrepreneur with a longstanding focus on digital dentistry. He earned his Doctor of Dental Medicine from the University of Pennsylvania School of Dentistry in 1994, following a Bachelor of Dental Surgery from Taipei Medical University in 1991.
Dr. Tai is a certified CEREC trainer with Dentsply Sirona and serves as visiting faculty for CDOCS, where he contributes to advancing clinical education in CAD/CAM workflows. He is also an active Key Opinion Leader, collaborating with companies such as Medit (2023–2024), ARDS Implant, and GC Taiwan, helping to shape innovation and adoption of digital technologiesin dentistry.
In addition to his clinical and educational roles, Dr. Tai is a dedicated leader and entrepreneur. He founded Sunrise Dental Center in Taichung, Taiwan, in 1995, and later established the Taiwan CAD/CAM Dental Institute to support the growth and development of digital dentistry in the region.
Frank Diaz
Visiting Faculty
Dr. Frank Diaz immigrated to the United States from Mexico as a child, overcoming significant challenges to become the first in his family to attend college. He earned both his Bachelor’s degree and Doctor of Dental Surgery (DDS) from the University of North Carolina at Chapel Hill. Following graduation, Dr. Diaz joined one of the largest Federally Qualified Health Centers in North Carolina, where he spent nearly a decade delivering essential oral healthcare and helping expand dental services to rural and underserved communities across the state.
Today, Dr. Diaz serves as the Director of a Latino-focused nonprofit dental clinic located in Charlotte, North Carolina, where he oversees all aspects of operations and leads initiatives designed to support uninsured and low-income patients. He brings a deep understanding of the cultural, social, and economic challenges facing the Latino community, along with a strong commitment to compassionate, patient-centered care.
In addition to his clinical and leadership responsibilities, Dr. Diaz serves as a clinical preceptor for rising fourth-year UNC dental students during their rotations. He mentors and trains future dentists in all aspects of comprehensive care, including the latest advancements in digital dentistry. His instruction includes CEREC technology, same-day crown fabrication using Primemill, and 3D dental printing applications with Primeprint—ensuring students gain hands-on experience with cutting-edge tools that enhance precision, efficiency, and patient outcomes.
Louis Passauer, Jr.
Visiting Faculty
Dr. Louis Passauer is a New Orleans native and a graduate of the University of New Orleans, where he was a member of the Division I golf team. He earned his Doctor of Dental Surgery degree from the LSU School of Dentistry in 1999. During his time in dental school, he served as class president from his sophomore through senior years and participated on multiple school committees.
He earned his dental degree from the Medical University of South Carolina in 2007 after completing his undergraduate studies at the College of Charleston in 2002, and is a graduate of the Kois Center, reflecting his commitment to continued clinical excellence.
Outside the practice, he enjoys spending time with his wife, Emily, their children Audrey and James, and their Labradoodle, Hershey.
Matthew Hubis
Visiting Faculty
Based in private practice in Rock Hill, South Carolina, he has been delivering patient-centered care with a strong focus on digital dentistry since becoming a CEREC user in 2010.
He earned his dental degree from the Medical University of South Carolina in 2007 after completing his undergraduate studies at the College of Charleston in 2002, and is a graduate of the Kois Center, reflecting his commitment to continued clinical excellence.
Outside the practice, he enjoys spending time with his wife, Emily, their children Audrey and James, and their Labradoodle, Hershey.
Melissa Meier
Visiting Faculty
Dr. Melissa Meier has been passionate about providing high-quality dentistry to her community for over two decades. After graduating from the University of Kentucky College of Dentistry in 2001, she began building a practice centered on patient comfort, advanced technology, and long-term relationships. Since 2009, Dr. Meier has incorporated CEREC technology into her practice, allowing patients to receive same-day treatment and digital dentistry with greater convenience and precision.
Today, Dr. Meier leads a large and thriving dental practice in Cincinnati, Ohio, where she and her team are dedicated to delivering modern, personalized dental care in a welcoming environment. She takes great pride in helping patients feel comfortable, informed, and confident in their smiles.
What Dr. Meier enjoys most about dentistry is the ability to combine technology, artistry, and patient care to make a real difference in people’s lives. She truly loves what she does and feels grateful to serve the community she calls home. Outside of the office, Dr. Meier and her husband Ed have enjoyed raising their three amazing boys. She enjoys boating with her family and is always up for a scuba diving adventure.
Dr. Russell Mann
Visiting Faculty
Dr. Russell Mann is a general dentist serving the Manchester, New Hampshire area with a strong focus on restorative dentistry, dental implants, IV sedation, and advanced digital dentistry. He practices in a fee-for-service environment focused on comprehensive, relationship-based care and individualized treatment planning.
Dr. Mann is licensed to provide moderate unrestricted IV sedation in the state of New Hampshire, a distinction held by only a limited number of general dentists statewide.
He has advanced training in restorative and implant dentistry, hard and soft tissue grafting, guided implant surgery, CAD/CAM technology, and 3D printing. Dr. Mann incorporates modern digital workflows, including CEREC technology, to provide efficient, precise, and comfortable treatment for his patients.
Committed to continuing education and clinical excellence, Dr. Mann has trained with many of the leading educators in implant dentistry. His practice philosophy centers on delivering exceptional patient care while utilizing the latest technology to improve outcomes, comfort, and overallpatient experience.
Outside of dentistry, Dr. Mann enjoys spending time with his family, international travel, and caring for his large saltwater reef aquarium.
Shawn Sharp
Visiting Faculty
A 1997 graduate of Case Western Reserve School of Dental Medicine, Dr. Sharp found the power of digital technology with the installation of his first intraoral radiograph machine in 1998 followed by his first digital panoramic machine in 2000. Seeing the impact digital procedures had in dentistry, Dr. Sharp implemented CEREC (CAD/CAM) technology which allows patient to have final restorations created the same day.
With 28 years of clinical experience, Dr. Sharp has become a passionate advocate of digital technology, especially CAD/CAM technology and same day restoration. He is visiting faculty and mentor to CDOCS, a beta tester and Key Opinion Leader (KOL) to companies such as Dentsply Sirona, VITA, Ivoclar, Coltene, Atlantis, 3M, and Midmark. Dr. Sharp is a CEREC trainer and teaches techniques and workflows of the CEREC ecosystem that he uses every day in his own busy practice. He feels that digital dentistry has provided esthetic and efficient dentistry to every patient he treats, while providing increased comfort and satisfaction.
Dr. Sharp has furthered his education in the areas of sleep medicine, having attended training by Dr. Barry Glassman along with hundreds of hours of continuous education in this field. He has provided sleep therapy for over 20 years, and enjoys helping patients recover their health. Dr. Sharp is a member of the International Dental Implant Association and has worked with dental implants his entire career and completed his surgical training by providing implant treatment in the Dominican Republic with Dr. Arun Garg. Dr. Sharp has studied with forefront dental educators such as Dr. Frank Spear,
Dr. Bill Strupp, Dr. Ross Nash and the entire faculty at Spear Education. Dr. Sharp is a member of the American Dental Society, Northwest Ohio Dental Society, American Academy of Dental Sleep Medicine, and a Fellow in the Academy of General Dentistry.
Yao-Lin Tang
Visiting Faculty
Dr. Yao-Lin Tang’s formative years were spent on the island nation of his birth, Taiwan, where he received his Bachelor of Science in Dental Surgery. He later ventured to California to receive his Doctor of Dental Surgery degree from University of Pacific School of Dentistry, and began his first practice in 1995. He has over twenty years of practical knowledge in cosmetic and general dentistry.
Far flung endeavors across the world have flavored Dr. Tang’s professional and personal experiences. In 2014, he has acted as a professional mentor at the Sirona CEREC Train the Trainer, held in Bensheim, Germany, wherein he shares his knowledge in CEREC CAD/CAM Restoration Systems and Digital Radiography—technology at the forefront of his current practice in San Mateo, California. Further, he is a mentor and visiting faculty at CDOCS, a Patterson-certified CEREC trainer, and a KOL/Speaker for the GC America, VITA North America, and HASS Bio.
Still, Yao-Lin finds time for the finer things: m oments spent exploring abroad with his family, a passion for photography, and—now and then—a fantastic round of golf.
Dr. Ryan Bucher
Olathe, KS
Dr. Ryan Bucher grew up in Olathe and loves serving the community in which he is so comfortable and familiar. After earning a Bachelors of Science in Biology he followed in his father’s footsteps and studied at UMKC School of Dentistry for his D.D.S. degree. Dr. Bucher is a member of the American Dental Association, Kansas Dental Association, Fifth District Dental Society, American Academy of Implant Dentistry, and participates as a Visiting Faculty for CDOCS.
He has been practicing general dentistry for more than 25 years and owns a private practice in Mandeville, Louisiana. Dr. Passauer is a member of the American Dental Association, Louisiana Dental Association, and Northlake Dental Association, where he served as president in 2005. He was recently recognized with the ADA 25-Year Certificate of Membership. His approach to patient care emphasizes collaborative planning to address current dental concerns while supporting long-term oral health. In addition to clinical practice, Dr. Passauer participates in continuing education as a Key Opinion Leader for Dentsply Sirona and as Visiting Faculty for CDOCS. He has presented educational programs for Henry Schein, Patterson Dental, and Dentsply Sirona on topics including implantology, CBCT imaging, digital dentistry workflows, CEREC, restorative techniques, inLab, and 3D printing. He also takes part in technology beta testing and ongoing professional development.