Our Presenters

Every year we bring together a panel of internationally renowned experts from around the globe.

www.uscperiosymposium.org

Dr. Michael R. Norton BDS FDS RCS(Ed)

Dr. Norton graduated from the University of Wales School of Dental Medicine in 1988. He runs a practice dedicated to implant & reconstructive dentistry in London. He is a specialist in Oral Surgery and Fellow of the Royal College of Surgeons, Edinburgh. Dr. Norton is Adjunct Clinical Professor at the University of Pennsylvania Dental School.

In 2017, Dr. Norton became the 31st President of the Academy of Osseointegration (AO), the first non-American President in its history. He is also Past President (1999-2001) and Honorary Life Member of the Association of Dental Implantology (ADI), UK.

Dr. Norton is Associate Editor of the International Journal of Oral & Maxillofacial Implants (JOMI) and acts as reviewer for a number of other journals.

Dr. Norton maintains a worldwide reputation for his lectures and courses and is widely published in the literature.

Presentation 1: The influence of insertion torque on primary stability, implant survival and marginal bone loss

Synopsis:
A great deal of debate has taken place about the need for ever higher insertion torques in implant dentistry in order to maximize primary stability especially when considering the immediate temporization or loading of implants. Much of this has been driven by anecdote, with little evidence to support the concept of new implant designs aimed at achieving very high torques often in excess of 70Ncm.

However it is well understood that bone is a dynamic vital tissue which responds poorly to over-compression and the buildup of strains within its structure leading to resorption and early intrinsic viscoelastic rebound, which could lead to loss of mechanical stability, before there has been any chance for osseointegration to take a foothold. In this respect it is possible that high insertion torques are in fact contra-indicated when considering early or immediate restoration/loading. By contrast resonance frequency analysis is used to measure lateral stiffness or micro-mobility and this may be a better representation of primary stability, however much works still needs to be done to understand the relationship between peak insertion torque (PIT), implant stability as measured by resonance frequency (ISQ) and other factors such as bone density and implant design, as well as surgical technique.

This presentation will focus on the latest data to evaluate the relationship between torque, ISQ, implant survival and maintenance of marginal bone.

Presentation 2: Laser for Peri-Implantitis Therapy

Synopsis:
This lecture will consider the difficult issue of defining, diagnosing and managing dental implants with peri-implantitis. The presentation will ask the questions as to the exact definition and etiology of this non-specific disease entity. It will focus on various therapies including the use of Erbium YAG laser to decontaminate the implant and peri-implant defect. It will focus on risks and complications and consider the alternative approaches of tissue regeneration versus pocket/defect elimination. Consideration will also be given as to whether peri-implantitis is a condition of a primary infective nature or an opportunistic secondary infection subsequent to bone loss caused by other etiologies.

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