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Saturday 14th Hall 1


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Session chair: Lora Mishra
The future - endodontic surgery
rightSilvio Taschieri
 Silvio Taschieri

Degree in Medicine and Surgery – MD- and Post Graduate Degree Specialist in Stomatology (DDS) at the University of Milan, Italy, - 04/10/1993 – 110/110 cum laude. Post Graduate Degree in Stomatology – DDS – 23/11/1996 – 70/70 cum laude. Assistant professor of the University of Milan – 23/12/2013 - with employment contract agreement status for research activity and consultant at Hospital IRCCS Istituto Ortopedico Galeazzi – Section of Odontostomatology. From January 2014 . Professor of the Sechenov University Russia, Moscow from April 2018. Member of Speciality Expert Panel Restorative Dentistry Speciality and Reviewer of COHG (Cochrane Oral Health Group), University of Manchester. Active member of: Italian Society of Oral Surgery and Implantology (SICOI); Italian Accademy of non trasfusional hemo-components (ANTHEC); Italian Society of Endodontology (SIE); European Society of Endodontology (ESE). Lecturer at many important University. Winner of national and international Scientific Prize competitions. Associate Editor Section of Implantology of Journal of Investigative and Clinical Dentistry; Editor-in-Chief and Lead Guest Editor of Special issues of Scientific World Journal and International Journal of Dentistry. Author of more then 300 scientific publications and 15 book chapters.

rightThe future - the survival of endodontically treated teeth


It is commonly acknowledged that oral health is essential for general health and well-being. Tooth retention is often used as an indicator of oral health, and retention of the natural teeth may determine people’s perceptions of good oral health. In order to avoid extractions and maintain the dentition, endodontic treatment aims to eliminate or prevent an infection within the root canal system. However, endodontic treatment are not always successful in eliminating the infection. We do know that extraction of root-filled teeth is more common than extractions of non root-filledteeth, hence survival of endodontically treated teeth may be of interest to us dentists, our patients and different stakeholders in the society. We are used to discussing factors related to the more familiar outcome of `healthy periapical tissues´, but how about factors related to `tooth survival´? Tooth survival may be the most relevant outcome measure for the patient, but will it potentially lead to acceptance of poorer endodontic treatments and persistent apical periodontitis?


The aim of the lecture is to present the current knowledge on survival of endodontically treated teeth and to consider opportunities and obstacles in using the outcome measure tooth survival.


At the end of this presentation, the attendee should be familiar with factors related to tooth survival of endodontically treated teeth and appraise the prospects and obstacles in using the outcome measure tooth survival.

rightDr Helena Fransson
Dr Helena Fransson

Helena Fransson, D.D.S., Odont.Dr. (Ph.D.) is Associate Professor in the Department of Endodontics, Faculty of Odontology, Malmö University, Sweden. Dr. Fransson graduated in dentistry from the University of Lund 1998, and completed postgraduate clinical training in endodontics at Malmö University (2007), where she also completed her research training. Her doctoral thesis on the repair of the dentine barrier following pulp capping led to the doctoral degree (Odont.Dr.) in 2012 and she holds a docenture since 2017. Her current research focuses on the outcome of endodontic and caries treatments, and she is conducting clinical studies and data mining in registries. She is a driving force behind the Scandinavian Research Collaboration (EndoReCo), a collaboration striving to increase the knowledge about the root-filled tooth. As most research of today is based on collaboration rather than on individual achievements, the EndoReCo collaboration aims to provide a nourishing research environment for the current six PhD-students pursuing joint research plans. Dr. Fransson is currently President of the Swedish Endodontic Society.

Session chair: Matthias Holly
rightThe future - removing and bypassing fractured instruments
tips and tricks to solve the problem


In the past, the fracture of an instrument during a root canal treatment was a fairly rare event but today, with the extensive use of rotary instruments, the incidence of breakage is increasingly common. The majority of breakages occur when using rotary Ni Ti instruments: only 15.9 % of separated instruments are manual steel files, versus 78.1 % of separated Ni Ti rotary files.

The great improvements that have been achieved over the last years in the removal of separated instruments within canals are essentially due to the use of microscopes and ultrasonic devices.

The operating microscope provides us with an increased vision that is not comparable to any other form of magnifier mounted on glasses or head wear; the true advantage of the microscope lies in the illumination, that is coaxial with the field of vision. This allows us to see perfectly even within a tiny, long and narrow tube such as the root canal. Ultrasonic devices for their part, with the utilization of very tiny tips, allow us to work in clear view of the object without any visual obstruction from other mechanical sections of the instrumentation, like the head of the handpieces.


The purpose of my presentation will be to show the various situations in which an accident may occur, and to illustrate all the tips and tricks necessary to solve the problem. We will also evaluate whether the technological innovations can be useful in this field.


In this lecture I will be dealing especially with the clinical and operative aspects of this difficult chapter in endodontic treatment. We will also face the problems related to the treatment plan and the importance of removing a separated instrument from the canal, reducing the risks of weakening the tooth.

rightAugusto Malentacca
 Augusto Malentacca

Dr Augusto Malentacca, D.D.S. Rome, Italy

Received his degree in medicine in 1976 and specialized in dentistry in 1979. He has worked in his own office in Rome since 1980 practicing on the whole in restorative and endodontic dentistry but also dedicates his time to teaching, holding private courses at the office He was president of S.I.E. (Italian Society of Endodontists) from 1999 to 2001 He is an active member of A.I.C. (Italian Academy of Restorative dentistry) and was the founder member and president of A.I.O.M. (Italian Society of Microscopic dentistry)

rightThe future - treating the calcified pulp chamber and canal


Everyone taking the challenge of root canal treatment is aware that the difficulty of treating a tooth with pulp space calcifications increases with the degree of calcification. In most cases, the calcification process progresses from coronal to apical. Even if the coronal aspect is completely occluded, a difficult to find patent remainder of the root canal is often expected further apical. One good example is the ‘mbII’ canal. In addition, calcific dentin is laid down on the entire root canal wall surface to different extents. The resulting reduced canal diameter and various other complications make negotiation and instrumentation challenging and time consuming. Many photographically and radiographically documented clinical cases together with the respective scientific evidence will demonstrate effective strategies for the successful management of all difficulties involved in the management of calcified root canals. Future concepts, some of which are already in development, as well as new ideas will be discussed.


Enable the practicioner to implement immediately the correct strategies successfully into clinical practice and sharpen her/his view on new ideas.


Determine the specific challenges of individual calcified cases and estimate their expected extent Demonstrate and evaluate various strategies and describe when and how to apply them Contemplate on future ideas of calcification management

rightHelmut Walsch
 Helmut Walsch

Dr. Helmut Walsch graduated from the Dental School of the Ludwig-Maximilians-University, Munich, Germany in 1994, where he also received his doctoral degree in 1996. He completed the full time postgraduate Endodontic program at the University of Pennsylvania in 2000 and received the best case presentation and teaching awards. Dr. Walsch earned a Master of Science in Endodontics/Oral Biology degree in 2001 at the University of Pennsylvania. He is a founding member, specialist member and former board member of the German Society of Endodontology (today German Society of Endodontology and Dental Traumatology). He maintains a private practice limited to Micro-Endodontics and Endodontic Microsurgery in Munich since 2001 and serves as Adjunct Assistant Professor at the Endodontic Department, University of Pennsylvania. Dr. Walsch is a Diplomate of the American Board of Endodontics since 2006, recertified in 2016. He is an active member of the AAE, certified member of the ESE and EDA (European Dental Association), honorary member of the VDZE (Association of German Certified Endodontists), member of the Louis I. Grossman Endodontic Study Club, the German Study Group of Microscopy in Dentistry, and the College of Diplomates of the American Board of Endodontics. He lectures nationally and internationally on various Endodontic topics, and holds numerous CE demo- and hands-on courses.

Poster Presentations / Trade Exhibition
Session chair: Johannes Reichsthaler
rightThe future - early clinical diagnosis and biomechanics of vertical root fractures


Vertical root fractures (VRFs) are often undiagnosed or misdiagnosed for a rather long time, thus frustrating both the patient and his dentist. At early stage VRFs cannot be detected with periapical radiographs. The “typical radiographic appearance of VRF”, which is commonly mentioned in papers and quoted in textbooks, often represents unjustified failure to diagnose the VRF in time, before a major damage to the surrounding bone has occurred. The most pathognomonic early sign of VRF is a unique type of periodontal pocket, which is very narrow and deep, which may appear with or without a sinus tract that is located more coronally than expected from a sinus tract emerging from a periapical lesion, even at the attached gingiva. CBCT cannot usually demonstrate the early VRF itself, however it may be very useful to identify the pattern of bone destruction that occurs along the VRF. The aim of this presentation will be to make each of the audience an expert in early diagnosis of VRFs. To minimize the risk of VRFs it is essential to understand the biomechanics of VRFs and the predisposing factors that may lead to such fractures. Some of these are naturally occurring factors, such as the shape of the root and pre-existing naturally occurring micro-cracks. Nevertheless, other predisposing factors are iatrogenic in nature and thus depend on the endodontic procedure that was carried out on this tooth. These include excessive instrumentation of the canal, instrumentation that results in uneven thickness of the canal walls, type of spreader used for lateral compaction and above all the creation of iatrogenic micro-cracks by using large taper rotary and reciprocating files. The predisposing factors will be reviewed in details, including suggesting ways how to minimize or avoid the iatrogenic contribution to the creation of VRFs.


The aim of the presentation is to emphasize the importance of early diagnosis of vertical root fractures as opposed to diagnosis by "typical radiolucency" which represents a very late detection of VRF.


The objectives are (a) To clarify the difference between early and late diagnosis of vertical root fracture. (b) To provide effective tools for making an early diagnosis of vertical root fracture, thus avoiding the damage that may be caused by delayed diagnosis. (c) To clarify that diagnosis of vertical root fracture by "typical radiolucency" alone, represents a neglected case, which already allowed for irreversible damage to the bone to occur. (d) To clarify the natural vs. iatrogenic predisposing factors that may lead to development of vertical root fractures. (e) To encourage the development and use of less aggressive root canal preparations and less aggressive endodontic instruments, in order to reduce the potential iatrogenic contribution to development of vertical root fractures.

rightZvi Metzger
 Zvi Metzger

Prof. Zvi Metzger graduated from the Hebrew University School of Dental Medicine in Jerusalem in 1970. Since 1973 he has been on the faculty at the Tel Aviv University School of Dental Medicine, where he served as Dean in the years 1987-1991. Prof. Metzger is specialist in Endodontics and was the Chairman of the National Board of Endodontics in Israel. He is an Associate Professor of Oral Biology and Professor of Endodontology at Tel Aviv University. Prof. Metzger was a visiting fellow at the National Institute of Dental Research, NIH, Maryland (1978-1981) and a visiting professor at the University of North Carolina at Chapel Hill (1995-1996). He had served as Chairman of the Department of Endodontology and Director of Research Laboratories at the Tel Aviv University School of Dental Medicine. He retains a private endodontic specialist practice in Tel Aviv and is involved in development of innovative endodontic devices. Prof. Metzger has published and lectured extensively in the fields of Oral Biology and Endodontics. He currently serves on the Scientific Advisory Panel of Journal of Endodontics and as a referee for International Endodontic Journal. He was the President of the Israeli Division of the International Association for Dental Research (1987), Chairman of the Israeli Endodontic Society (2000-2002) and is a recipient of the Honorary Achievement Award of the Israel Dental Association (2003) for his contributions in dental research and education.

rightThe future - quality of life and Endodontics


Pain and discomfort arising from endodontic diseases have long been considered in diagnosis and treatment planning. However, arguably, it is the impact and consequence of these symptoms on the quality of life (QoL) or daily living that is important in providing understanding of the burden of the diseases and ultimately in determining the benefit of care to the lives of patients. To this end there has been a growing interest into assessing the impact of endodontic disease on health- and oral health-related quality of life (OHRQoL) and on studies to identify key factors associated with its impact. Systematic reviews have addressed this important topic in complete maxillary dentures treatments, implant supported mandibular overdentures, and dental implant rehabilitation. This lecture will review the literature on the impact of Endodontics treatment on quality of life, systematically dissect the methods used and offer suggestions on methodological issues in performing studies on QoL outcome measures.


To review the literature to address the important question: Does endodontic treatment improve oral health-related quality of life


This lecture will first provide an overview of QoL. This will be followed by a systematic review of the literature that has evaluated QoL after non-surgical and surgical endodontic treatment, including retreatment. The lecture will conclude with the potential problems in current literature and open up some blue-sky thinking on how future studies can be performed to ascertain the impact of endodontic therapies on quality of life.

rightPrasanna Neelakantan
 Prasanna Neelakantan

Prasanna Neelakantan graduated with a Bachelor of Dental Surgery from The Tamil Nadu Dr. MGR Medical University, India, and a Master of Dental Surgery in Conservative dentistry and Endodontics from Saveetha University, Chennai, India. He subsequently received his PhD from the University of Amsterdam with Prof. Paul Wesselink and Dr. Hagay Shemesh as his promotors. He served as an assistant professor in Saveetha University, India until 2016. He is currently a Clinical Assistant Professor at the University of Hong Kong Faculty of Dentistry. He has published over 80 peer-reviewed publications and has presented over 40 invited lectures worldwide. He is a recipient of many awards and honours including the Indian Society for Dental Research (Indian Division of the IADR) Fellowship in 2012, Young Achiever’s award from Saveetha University in 2012, International Association for Dental Research Innovation in Oral Care Award and Joseph Lister Award in 2018. He serves as a Reviews editor for Frontiers in Cellular and Infection Microbiology. He also serves on the editorial board of the International Endodontic Journal. He is a peer reviewer for several international journals including the International Endodontic Journal and Journal of Endodontics. At the University of Hong Kong Faculty of Dentistry, Prasanna is involved with the undergraduate/graduate teaching, and is the Assistant Dean (Research and Innovation). The main focus of his research group are biofilm biology, quorum-sensing and novel nanoparticulate biofilm-inhibitory methods.

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