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Fellowship & Mentoring

The Northeastern Gnathological Society (NGS) was established as a forum for the intellectual pursuit of the science and clinical application of the principles guiding the Gnathosomatic system.

Central to the mission of the NGS is developing the leadership potential and skills of it’s' less experienced members. The Society encourages, mentors and rewards professional maturation. The attainment of fellowship is an integral part of this process. The goal is to establish a vehicle for personal growth, while providing for the future leadership of our Society.


The Northeastern Gnathological Society encourages all members to pursue Fellowship in the organization. 

To become a Fellow the candidate must demonstrate a superior knowledge and understanding of treatment planning, form and function and excellence in the execution of advanced prosthodontic procedures. 

Candidates for fellowship must be licensed dentists or practicing dental technicians and be members in good standing. Mentoring is available to candidates to assist in case selection and preparation for the Fellowship examination. Completed applications should be submitted to the dental fellowship chair or the technical fellowship chair.


Please use the links below to download the fellowship guidelines. Any questions or comments can be emailed to


Dr. Gary Orentlicher graduated from the University of Medicine and Dentistry of New Jersey and completed his residency in oral and maxillofacial surgery at Long Island Jewish Medical Center

Dr. Orentlicher has authored many publications and book chapters. Recently he was Editor of a textbook, published by Elsevier, entitled “Digital Technologies in Oral and Maxillofacial Surgery”. He has lectured extensively on subjects such as CT/computer guided implantology, CAT scan use in dental Implantology, new dental implant innovations, bone grafting for dental implants, and virtual planning for orthognathic surgery. He has given numerous training courses for dental specialists on techniques and technologies for the planning and placement of dental implants

Dr. Orentlicher is Chief of Oral and Maxillofacial Surgery at White Plains Hospital Center. He is a Diplomate of the American Board of Oral and Maxillofacial Surgery, a Fellow of the American Association of Oral and Maxillofacial Surgeons. He is a partner in the private practice of oral and maxillofacial surgery at New York Oral, Maxillofacial, and Implant Surgery in Scarsdale, NY, where he practices the full scope of oral and maxillofacial surgery with an emphasis on minimally invasive dental implant surgery and digital technologies.

Dr. Robert Berg graduated from Tufts Dental School in 2003 and completed his Post Graduate Prosthodontic training at Montefiore Medical Center in 2007.


Currently he teaches in the PG Prosthodontic department at Weill Cornell Medical Center. He also has presented numerous programs focusing on Digital Dentistry.


Dr. Berg maintains a private practice in NYC where he also lives with his wife Sarah and their three children.

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