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Friday 13th Hall 1

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8:45 Prize presentations: the winners of the following prizes will be presented with a certificate
ESE Wladimir Adlivankine Research, Education, Original Scientific Poster, Clinical Poster and Clinical Video
Session chair: Hanjo Hecker
9:00
rightThe future - irrigants and irrigant agitation

Abstract

Irrigation is an important part of root canal treatment and a very popular topic in the endodontic literature. Over the years, a vast amount of research and manufacturing efforts have been concentrated on the development of new irrigants and elaborate irrigation techniques, in order to supplement or even replace conventional syringe delivery of sodium hypochlorite. However, the best method to deliver and agitate the irrigant so that it reaches all the anatomic intricacies of the root canal system is still under debate and the ideal irrigant has yet to be found. Furthermore, modifications in the access cavity design and new instrumentation strategies bring additional challenges to root canal irrigation.

Aims

The aim of this lecture is to provide an overview of the current evidence on root canal irrigation and to discuss possible future directions.

Objectives

1. Outline the main challenges for root canal irrigation.

2. Review the advantages and limitations of widely used irrigants and irrigant agitation methods.

3. Discuss emerging alternatives and possible future directions for research and clinical practice.

rightDr Christos Boutsioukis
Dr Christos Boutsioukis

Dr. Christos Boutsioukis received his DDS degree in 2003 and his postgraduate certificate in Endodontics in 2006 from the University of Thessaloniki in Greece. From 2007-2010 he divided his time between the University of Thessaloniki, the Academic Centre for Dentistry Amsterdam (ACTA) and the Physics of Fluids group at the University of Twente in the Netherlands, towards completion of the PhD degree. In 2011 he became postdoctoral researcher in the Physics of Fluids group, University of Twente and in 2013 he joined ACTA, where he is currently Assistant Professor in the Department of Endodontology. He has authored or co-authored more than 30 papers in peer-reviewed journals and four book chapters and serves as a referee for several international journals. His main research interest lies in experimental and computational methods to study the dynamics of root canal irrigation.

9:45
rightThe future - supplementary methods of eliminating bacteria from root canals

Abstract

Endodontic technologies and biomaterials have witnessed substantial advances in the last decade. In spite of these advances, some of the integral challenges in endodontic treatment continues to persist. Nanoparticle guided therapeutics that predictably disinfect the infected root canal system, reverse disease-mediated dentin matrix changes and regulate post-treatment healing have the potential to transform current concepts for a major paradigm shift in root canal treatment.

Aims

This lecture aims to cover the fundamentals and applications of engineered nanoparticles in the treatment of teeth with apical periodontitis.

Objectives

• Will learn the basics of engineered bioactive nanoparticles

• Will learn the mechanisms by which engineered bioactive nanoparticles reverse disease-mediated dentin matrix changes

• Will learn the role of engineered bioactive nanoparticles in root canal disinfection

rightAnil Kishen
 Anil Kishen

Anil Kishen is a Full Professor in Endodontics at the Faculty of Dentistry, University of Toronto, Canada. He is also cross-appointed with the Department of Dentistry, Mount Sinai Health System, Mount Sinai Hospital and the Institute of Optical Sciences, University of Toronto.

He has published over 130 peer-reviewed journal publications and is a co-inventor in 10 patents and invention disclosures. He is a recipient of several awards and honors including, The Enterprise Challenge Innovator Award in Singapore, Honorary Diplomate of the Indian Board of Endodontics, the American Association of Endodontists (AAE) Foundation-Denstply-Research Excellence Award, the Journal of Endodontics Publication Awards 2015, 2016 and W. W. Wood Award (2016) for excellence in dental education in Canada. He has published 20 book chapters and has co-edited three interdisciplinary books. He serves as an Associate Editor for the Journal of Endodontics, BMC Microbiology and Clinical Oral Investigations. He serves as an Editorial Board Member for several international journals. He has also presented over 135 invited / plenary lectures worldwide. At the University of Toronto, Dr. Kishen is involved with the undergraduate and graduate-level teaching in Endodontics and is a Principal Investigator of a research group that focuses on nanomaterial and phototherapeutic for wound healing and tissue engineering. His research is funded by the Canadian Foundation for Innovation (CFI), the Natural Sciences and Engineering Research Council of Canada (NSERC), the Ontario Center for Excellence and the American Association of Endodontists Foundation. Dr. Kishen is a strong advocate for high-quality translational research benefiting patient care.

10:30
COFFEE BREAK
Session chair: Henning Bahnemann
11:00
rightThe future - root canal shaping

Abstract

Root canal shaping with nickel-titanium rotary instruments is an important step of endodontic treatment to create space for delivering irrigants and subsequent obturation. Current NiTi systems allow shaping of even severely curved root canals with maintenance of the original path of the canal and procedural mishaps are less likely compared to stainless steel instruments. Shaping procedures should also aim to preserve radicular dentine and to retain structural strength, thereby preventing vertical root fractures and promoting long-term function of the tooth. This lecture will provide an overview of current shaping strategies and evaluate the effect of specific designs on shaping abilities and fracture resistance of root canal instruments. Finally, potential negative outcomes of instrumentation such as development of dentinal microcracks are discussed and an outlook on future trends for cleaning and shaping of the root canal system is presented.

Aims

This lecture aims to critically review the current literature on clinical procedures and instruments for root canal shaping.

Objectives

1. Describe the basic concepts of root canal instrumentation 2. Evaluate the advantages and disadvantages of contemporary technologies and instruments 3. Discuss the potential risk of development of dentinal defects after root canal preparation 4. Present ideas of future techniques for root canal cleaning and shaping

rightTina Rödig
 Tina Rödig

Priv.-Doz. Dr. Tina Rödig is a senior lecturer and supervisor of doctoral and research programs in Endodontology at the Policlinic for Preventive Dentistry, Periodontology and Cariology at the University Medical Center Göttingen, Germany. She graduated from University of Göttingen, Germany in 1997, where she received her doctoral degree in dentistry (Dr. med. dent.) in 1998. Since 2005, Dr. Rödig is a certified endodontist by the German Endodontic Society. In 2012, she finished her Habilitation at the University of Göttingen. Dr. Rödig is on the editorial board of the International Endodontic Journal and acts as a reviewer for other scientific journals. Her main research focus is currently on disinfection, retreatment techniques and effects of endodontic procedures on the incidence of dentinal microcracks.

11:45
rightThe future - the optimum dimensions of the apical preparation

Abstract

The main purposes of chemomechanical preparation are to clean, disinfect and shape the root canal. This can be regarded as the most important phase of the endodontic treatment, because instruments and irrigants promote the removal of bacteria and potential substrate from the main canal, which are the primary cause of apical periodontitis. The ideal size of apical preparation is one of the most controversial issues in Endodontics. Ideally, chemomechanical procedures should be considered complete when the canal is enlarged to instrument sizes that are compatible with the root anatomy and size, and sufficiently large to be safe and antibacterially effective. Microbiological studies have revealed that the larger the apical preparation size of infected canals, the greater the intracanal bacterial reduction. Studies have also shown that the larger the apical preparation size, the cleaner the apical canal. Larger preparations are also associated with improved outcome of the treatment of infected teeth with apical periodontitis. However, a great challenge for clinicians is to find a tradeoff between enlarging the canal suffiently to improve cleaning and disinfection, but not too much to avoid weakening the tooth structure. Strategies and perspectives for optimum apical preparation will be discussed.

Aims

To critically review the literature for the ideal dimensions of apical preparation and present future perspectives

Objectives

1. Understand the importance of enlargement to achieve the goals of chemomechanical preparation;

2. Describe the scientific evidence about the effects of apical enlargement on root canal cleaning and disinfection;

3. Discuss the potential risks of large preparations;

4. Present perspectives for optimum apical preparation.

rightJose Siqueira Jr
 Jose Siqueira Jr

Dr. Siqueira is currently the Chairman of Endodontics and Director of the Postgraduate Program in Endodontics, PhD and Master degrees, Estácio de Sá University, Rio de Janeiro, RJ, Brazil. Dr. Siqueira has authored the books “Treatment of Endodontic Infections” and "Endodontology: an integrated biological and clinical view", the latter sharing authorship with Domenico Ricucci, both in English, and other 7 books about Endodontics or Microbiology in Portuguese. He also authored or co-authored several chapters for leading international endodontic textbooks. He published more than 360 scientific papers in international journals. His H-index, which measures both the productivity and impact of the published work of a scientist, is 52. Dr. Siqueira has received several international awards including the Louis I. Grossman Awards from the American Association of Endodontists in 2014 and French Endodontic Society in 2012, for cumulative publication of significant research studies that have made an extraordinary contribution to endodontics. Dr. Siqueira is currently a member of the Scientific Advisory Board of the Journal of Endodontics and the Editorial Board of the Journal of Oral Microbiology and ENDO-Endodontic Practice Today. He also serves as a reviewer for several other international journals.

12:30
LUNCH
13:30
Poster Presentations / Trade Exhibition
Session chair: Johannes Klimscha
14:30
rightThe future - NiTi alloys

Abstract

Blue-Wire, Gold-Wire, M-Wire, R-Phase, T-Wire are these different alloys or just different names- or is it one NiTi alloy that has been heat treated differently? Manufacturers describe wordily - but at the same time give very little information about products. The Naval Ordnance Laboratory, which was closed in 1997, developed the fascinating Nitinol in 1958. The possibilities of using nickel titanium are far from being exhaustively tested. Not only in dentistry and aerospace or car industry new uses are being discovered until today. The aim of the lecture is to shed some light on the facts, to separate assumptions from facts and to increase the basic understanding of rotary or reciprocating files used on daily basis. For clinical application alloys are inevitably associated with heat treatment and geometry. In the lecture, existing file systems will be discussed and new perspectives on possible future developments will be given.

Aims

Present an overview of current alloys used in existing NiTi files and discuss future directions for alloy/instrument combinations.

Objectives

1. To give an overview of existing combinations of alloys and instruments 2. Working out a sensible combination of alloy, geometry and field of application 3. To give an insight on future developments

rightDavid Sonntag
 David Sonntag

David Sonntag graduated from Marburg University, Germany in 1998, where he also received his doctoral degree in 2001 and his PhD in 2008. He is a certified endodontist by the German Endodontic Society since 2005. Sonntag is still involved in undergraduate teaching and works part time in a private dental office limited to Endodontic since 2008. He has authored serveral scientific original and review articles in national and international journals and has been awarded by the Journal of Endodontics with the best article in clinical research in 2017. He lectures extensivly nationally and internationally. Since 2010 he serves as a program director of the postgraduate endodontic program and as a CEO of Duesseldorf Dental Academy GmbH at the University Duesseldorf where he was appointed as titular professor in 2018. His main research interest lies in canal shaping with NiTi instruments. Sonntag was involved in the development and testing of NiTi file systems from different manufacturers.

15:15
rightThe future - multiple or single cone canal filling

Abstract

Lateral condensation of gutta-percha using multiple cones was the original obturation technique used when gutta-percha cones were developed, and it continues to be the primary technique taught to undergraduate students in dental schools in Europe and the United States. The single cone canal filling technique that uses only the master cone has gained popularity with the advent of nickel titanium rotary instrumentation systems, especially by employing larger cones with larger taper sizes that match the geometry of the rotary systems. The single cone technique does not require the use of accessory cones, thus reducing the time spent in root canal filling. This technique enables an easier and faster canal fill. However, aspects such as obturation quality, apical leakage and bacterial penetration of the single cone technique have generally been regard as similar to, or lower than other canal filling techniques. In the present presentation, the pros and cons of the two canal filling techniques will be reviewed. This will be followed by looking into the future, examining the possibility of futuristic single cone filling techniques that utilizes a material that expand with water sorption, and an experimental root canal sealer introduction technique that is inspired by the apical negative pressure technique utilized in root canal irrigation. Irrespective of any techniques to be adopted for future clinical use, it is important to emphasize the significance of material biocompatibility and durability. The audience will travel in the time channel from the future back to the past, and look at the two episodes in the history of endodontics that spanned over 10 years each, in which inadvertent canal filling material design had led to clinical problems that resulted in the retraction of the materials from the market.

rightFranklin Tay
 Franklin Tay

Dr. Franklin Tay received his BDSc with first class honors from the University of Queensland School of Dentistry in Australia in 1981, his Ph.D. from the University of Hong Kong in China in 1997 and his endodontic residency from the Medical College of Georgia, USA in 2007. He is a Diplomate of the American Board of Endodontics. He is currently Professor, and Chair of the Department of Endodontics, College of Dental Medicine, Georgia Regents University. Dr. Tay serves as Associate Editors for the Journal of Endodontics and Journal of Dentistry. His research interests include biomineralization of collagen scaffolds with apatite and/or silica, remineralization of resin-dentin bonds, antimicrobial sol-gel chemistry, mesoporous silica and endodontic materials. He is a Fellow of the Academy of Dental Materials has published more than 500 papers in peer-reviewed journals.

16:00
COFFEE BREAK
Session chair: Thomaas Weinberger
16:30
The future - hydraulic calcium silicate cements
rightDr Josette Camilleri
Dr Josette Camilleri

Josette Camilleri obtained her Bachelor in Dental Surgery and Master of Philosophy in Dental Surgery from the University of Malta. She completed her doctoral degree, supervised by the late Professor Tom Pitt Ford, at Guy’s Hospital, King’s College London.

She has worked at the Department of Civil and Structural Engineering, Faculty for the Built Environment, University of Malta and at the Department of Restorative Dentistry, Faculty of Dental Surgery, University of Malta. She is currently a senior academic at the School of Dentistry, College of Medical and Dental Sciences, Institute of Clinical Sciences, University of Birmingham, United Kingdom. Her research interests include endodontic materials such as root-end filling materials and root canal sealers, with particular interest in mineral trioxide aggregate; Portland cement hydration and other cementitious materials used as biomaterials and also in the construction industry.

Josette has published over 100 papers in peer-reviewed international journals and her work is cited over 5000 times. She has been awarded the Louis Grossman Prize by the French Endodontic Society in 2018 and is the only female recipient of this prestigious award. She is the Editor of Mineral trioxide aggregate. From preparation to application published by Springer in 2014. She is a contributing author to the 7th edition of Harty’s Endodontics in Clinical Practice (Editor: BS Chong) and Glass ionomer cements in Dentistry (Editor: SK Sidhu). She is an associate editor for Scientific Reports and Endo, a reviewer of a number of international journals and an international lecturer.

17:15
rightThe future - assessing residual tooth tissue for restoration
The relationship between endodontic treatment need, tooth restorability, endodontic outcome and tooth survival

Abstract

The assessment of tooth restorability is a delicate decision-making process which includes a number of often neglected aspects. In this lecture we will present the results of recently published and “in press” clinical trials assessing the effect of psychologic variables on the decision making on tooth restorability, the association between pulp preservation and tooth survival, and the effect of the residual volume of tooth structure on the survival of endodontically retreated teeth. The final results of a retrospective trial on the ability of the Dental Practicality Index (DPI) developed by Dawood and Patel, to predict the survival of endodontically treated teeth will also be presented.

Aims

The aim of this lecture is to highlight common pitfalls in the assessment of tooth restorability and prediction of tooth survival and to help the clinician in making choices on tooth restorability and the need for root canal treatment based on clinical research data

Objectives

The aim will be achieved by allowing the delegates to correlate the new findings presented on tooth survival with published and in press Cone Beam Computed Tomography (CBCT) data on the outcome of endodontic treatment and pulp protection procedures At the end of the lecture the delegates will also be familiar with the use of the DPI Index

rightFrancesco Mannocci
 Francesco Mannocci

Prof Francesco Mannocci (MD, DDS, PhD, FHEA) is a Specialist in Endodontics and Restorative Dentistry. He obtained his MD (Pisa, Italy, 1986) and DDS (Pisa, 1990) in Italy, and his PhD in Clinical Dentistry from King's College London in 2001. After having worked in private practice in Pisa for 18 years while collaborating with the University of Siena as a Visiting Professor he became Lecturer in Endodontology at King's College London in 2004, Senior lecturer/Honorary Consultant in 2006, Head of Endodontology in 2008, and Professor of Endodontology at King’s College London in 2011.

Prof Mannocci has authored more than 130 papers in international peer

reviewed journals. Prof Mannocci is Associate Editor of the International

Endodontic Journal. Prof Mannocci has done research work on subjects

including restoration of endodontically treated teeth, instrumentation

techniques, dental anatomy, histology, endodontic radiology and endodontic

microbiology. Prof Mannocci maintains a private practice limited to

Endodontics in Central London.

18:00
SESSION ENDS
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