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Explores recent research and innovations in the field of endodontics and provides evidence-based guidelines for contemporary dental practice Endodontic Advances and Evidence-Based Clinical Guidelines provides a comprehensive and up-to-date description of recent research findings and their impact on clinical practice. Using an innovative approach to the field, the book enables readers to translate the current body of knowledge on endodontic diseases and treatment into guidelines for enhancing patient care. Divided into four parts, the book first addresses new research findings and advances in technology, techniques, materials, and clinical management. In addition, it provides revised clinical guidelines for a variety of areas within the specialty, such as endodontic diagnosis, treatment planning, management of endodontic emergencies, regenerative endodontic procedures, three-dimensional imaging, and the use of systemic antibiotics. Each chapter contains numerous high-quality illustrations and clinical cases highlighting current research directions, key concepts, and new trends in clinical techniques and education. Endodontic Advances and Evidence-Based Clinical Guidelines: * Presents the latest understanding of current literature, evidence, and clinical practice * Examines new trends, treatments, and advanced diagnostic techniques in the field * Covers a wide range of topics, including management of root canals, repair of perforation defects, removal of root filling materials, and alternatives to root canal treatment Endodontic Advances and Evidence-Based Clinical Guidelines is an invaluable resource for undergraduate and postgraduate dental students, general dental practitioners, endodontic specialists, researchers in the field of endodontics, and clinicians, researchers, and educators in other fields of dentistry.

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Endodontic Advances and Evidence-Based Clinical Guidelines

 

Edited by

Hany M. A. Ahmed

Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia

 

Paul M. H. Dummer

School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff, UK

 

 

Companion Website: www.wiley.com/go/ahmed/endodontics

 

 

 

 

This edition first published 2022

© 2022 John Wiley & Sons Ltd

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, except as permitted by law. Advice on how to obtain permission to reuse material from this title is available at http://www.wiley.com/go/permissions.

The right of Hany M. A. Ahmed and Paul M. H. Dummer to be identified as the authors of the editorial material in this work has been asserted in accordance with law.

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The contents of this work are intended to further general scientific research, understanding, and discussion only and are not intended and should not be relied upon as recommending or promoting scientific method, diagnosis, or treatment by physicians for any particular patient. In view of ongoing research, equipment modifications, changes in governmental regulations, and the constant flow of information relating to the use of medicines, equipment, and devices, the reader is urged to review and evaluate the information provided in the package insert or instructions for each medicine, equipment, or device for, among other things, any changes in the instructions or indication of usage and for added warnings and precautions. While the publisher and authors have used their best efforts in preparing this work, they make no representations or warranties with respect to the accuracy or completeness of the contents of this work and specifically disclaim all warranties, including without limitation any implied warranties of merchantability or fitness for a particular purpose. No warranty may be created or extended by sales representatives, written sales materials, or promotional statements for this work. The fact that an organization, website, or product is referred to in this work as a citation and/or potential source of further information does not mean that the publisher and authors endorse the information or services the organization, website, or product may provide or recommendations it may make. This work is sold with the understanding that the publisher is not engaged in rendering professional services. The advice and strategies contained herein may not be suitable for your situation. You should consult with a specialist where appropriate. Furthermore, readers should be aware that websites listed in this work may have changed or disappeared between when this work was written and when it is read. Neither the publisher nor authors shall be liable for any loss of profit or any other commercial damages, including but not limited to special, incidental, consequential, or other damages.

Library of Congress Cataloging-in-Publication Data

Names: Ahmed, Hany Mohamed Aly, author. | Dummer, Paul Michael Howell, author. Title: Endodontic advances and evidence-based clinical guidelines / Hany Mohamed Aly Ahmed, Paul Michael Howell Dummer. Description: Hoboken, NJ : John Wiley & Sons, 2022. | Includes bibliographical references and index. Identifiers: LCCN 2021045254 (print) | LCCN 2021045255 (ebook) | ISBN 9781119553885 (paperback) | ISBN 9781119553793 (pdf) | ISBN 9781119553892 (epub) | ISBN 9781119553939 (obook)Subjects: LCSH: Endodontics. Classification: LCC RK351 .A36 2022 (print) | LCC RK351 (ebook) | DDC 617.6/342--dc23/eng/20211108 LC record available at https://lccn.loc.gov/2021045254LC ebook record available at https://lccn.loc.gov/2021045255

Cover image: Courtesy of Hany Ahmed, Gabriel Krastl, Jorge Perdigão, Gianluca Plotino, and Silvio Taschieri

Cover design by Wiley

Set in 9.5/12.5pt STIXTwoText by Integra Software Service Pvt. Ltd, Pondicherry, India

Contents

Cover

Title page

Copyright

Preface

Acknowledgements

Editors’ Biography

List of Contributors

About the Companion Website

Part I: Advances in Knowledge

1 Tooth, Root, and Canal Anatomy

Summary

1.1 Introduction

1.2 Different Perspectives in Characterizing Root and Canal Morphology

1.2.1 Deficiencies of Current Classification Systems for Root Canal Morphology

1.2.2 Introduction to the New Coding System for Root and Canal Morphology

1.3 Advances in Apical Canal Morphology

1.3.1 Cemento-dentinal Junction (CDJ)

1.3.2 Apical Constriction (AC)

1.3.3 Major Apical Foramen (MAF)

1.3.4 Isthmus

1.3.5 Accessory Canals and Apical Deltas

1.3.6 Bifid Apex

1.3.7 The Importance of Apical Canal Anatomy in Apical Surgery

1.4 Root and Canal Morphology in Different Tooth Types

1.4.1 Maxillary Anterior Teeth

1.4.2 Maxillary First Premolar

1.4.3 Maxillary Second Premolar

1.4.4 Maxillary First Molar

1.4.5 Maxillary Second Molar

1.4.6 Mandibular Anterior Teeth

1.4.7 Mandibular First Premolar

1.4.8 Mandibular Second Premolar

1.4.9 Mandibular First Molar

1.4.10 Mandibular Second Molar

References

2 The Bioactive Properties of Dentine and Molecular Advances in Pulp Regeneration

Summary

2.1 Introduction

2.2 Regenerative Endodontics

2.3 The Role of Dentine in Pulpar Repair and Regeneration

2.4 Infection, Inflammation, and Stem Cells Interaction in Pulp Regeneration

2.4.1 Immune Response

2.4.2 Inflammation and Regeneration

2.4.3 Opportunities for Clinical Translation

2.5 Regenerative Endodontic Procedures (REPs)

2.5.1 Cell-Homing

2.5.2 Cell-based Therapies

2.6 Conclusion

References

3 Microbial Biofilms in Root Canal Systems

Summary

3.1 Introduction

3.2 General Characteristics of Microbial Biofilms

3.2.1 How do Bacteria Build Biofilms?

3.2.2 Formation of Biofilms in Root Canals

3.2.3 Planktonic Versus Biofilm Lifestyles

3.2.4 The Biofilm Phenotype

3.3 Ecological Factors Affecting Biofilms in Root Canals

3.3.1 The Inflammatory and Necrotic Environments

3.3.2 The Post-Treatment Environment

3.4 Survival of Biofilm Bacteria to Antimicrobials

3.5 Biofilm Resistance in Endodontics

3.6 Conclusion

References

4 Pulp, Root Canal, and Periradicular Conditions

Summary

4.1 Introduction

4.2 What Causes Pulp, Root Canal, and Periradicular Conditions?

4.3 The Development and Progression of Pulp and Root Canal Conditions

4.4 The Development and Progression of Periradicular Conditions

4.5 Classifications of Conditions and/or Diseases

4.6 Classification and Description of Pulp and Root Canal Conditions

4.7 Classification and Description of Periradicular Conditions

4.8 Summary

References

5 Root Resorption

Summary

5.1 Introduction

5.2 Histopathology of Root Resorption

5.3 Internal Root Resorption

5.3.1 Internal Inflammatory Root Resorption

5.3.2 Internal Replacement Resorption

5.4 External Root Resorption

5.4.1 External Inflammatory Resorption

5.4.2 External Replacement Resorption

5.4.3 External Surface Resorption

5.4.4 External Cervical Resorption

References

6 Minimally Invasive Endodontics

Summary

6.1 Introduction

6.2 Embracing the Concept of Minimally Invasive Endodontics

6.2.1 The Need for Patient-focused Approaches

6.2.2 Technological Advancements in Endodontics that Has Made Minimally Invasive Strategies Possible

6.2.3 What Does Minimum Intervention Root Canal Treatment Encompass?

6.3 Rationale for Minimally Invasive Root Canal Treatment

6.3.1 Failure of Root Canal Treatment: Microbial Causes

6.3.2 Failure of Root Canal Treatment: Structural Causes

6.4 Minimum Intervention in Endodontics: Prevention Is Better than Cure?

6.5 Minimally Invasive Management of the Deep Carious Lesion

6.6 Minimally Invasive Root Canal Treatment Procedures

6.7 Access Cavity Terminology

6.8 Minimally Invasive Root Canal Preparation

6.8.1 Goals of Root Canal Preparation

6.8.2 So, What Happens to These Untouched Walls?

6.8.3 Apical Preparation Sizes and Root Canal Preparation Tapers – How Much Is Enough?

6.8.4 Supplementary Irrigation Strategies in Minimally Prepared Root Canals

6.8.5 Is It Possible to Clean Root Canals with No Instrumentation at All?

6.9 Minimally Invasive Surgical Endodontics

6.10 Conclusion

References

7 Systemic Health and Endodontics

Summary

7.1 From Focal Infection Theory to Endodontic Medicine

7.1.1 The Discredited Focal Infection Theory

7.1.2 Endodontic Medicine: Interrelation Between Systemic and Endodontic Pathosis

7.2 Pathways Linking Periapical Inflammatory Lesions to Systemic Health Status

7.2.1 The Spread of Endodontic Bacteria to Adjacent Tissues and Organs

7.2.2 Local Production of Soluble Regulatory Molecules that May Initiate or Sustain Inflammatory Events in Remote Tissues and Organs

7.2.3 Extrinsic or Intrinsic Pathological Mechanisms Resulting or Contributing to Both Local and Systemic Inflammation

7.3 Endodontic Implications of Systemic Diseases – Systemic Factors Affecting Periapical Repair

7.4 Diabetes and Endodontics

7.4.1 Scientific Evidence on the Association Between Diabetes and Endodontics

7.4.2 Biological Mechanisms Involved in the Association Between Diabetes and Endodontics

7.4.3 Endodontic Management of Diabetic Patients

7.5 Cardiovascular Disease and Endodontics

7.5.1 Scientific Evidence on the Association Between Cardiovascular Diseases and Endodontics

7.5.2 Mechanisms Involved in the Association Between Cardiovascular Diseases and Endodontics

7.5.3 Endodontic Management of Cardiovascular Patients

7.6 Relationship Amongst Other Systemic States and Endodontics

7.6.1 Smoking Habits

7.6.2 Digestive Diseases and Other Systemic Diseases

References

8 Technology Enhanced Education

Summary

8.1 Introduction

8.2 E-learning in Dentistry

8.3 Contemporary E-learning Models

8.4 E-learning During the COVID-19 Pandemic

8.5 Limitations of E-learning in Dental Education

8.6 Advances in Endodontology Education

8.6.1 3D Technology for Pre-clinical Training

8.6.2 Augmented and Virtual Reality

8.7 Digital Dentistry and Clinical Endodontics

8.7.1 Guided Endodontics

8.7.2 Surgical Endodontics

8.8 Conclusion

References

Part II: Advances in Materials and Technology

9 Computed Tomography Imaging Devices and Techniques

Summary

9.1 Digital Dentistry and Impact on Clinical Training and Education

9.1.1 3D Endodontic Rendering

9.1.2 3D Endodontic Software

9.1.3 Dynamic Navigation Systems (Software and Devices)

9.2 Advances in Micro-CT and Nano-CT Technologies and Their Impact on Clinical Training and Education

9.2.1 Fundamentals of Micro-CT and Nano-CT Imaging

9.2.2 Micro-CT Versus Nano-CT Technology

9.2.3 CT Technology in Dental Education and Training

9.2.4 Advances in Micro-CT and Nano-CT Applications

9.5 Conclusion

References

10 Advances in Working Length Determination

Summary

10.1 Introduction

10.2 Morphology of the Root Canal Terminus

10.3 Determining the Root Canal Terminus

10.4 An Overview of Basic Electronics

10.4.1 Atom Structure

10.4.2 Ions and Electrolytes

10.4.3 Electrical Charge, Voltage, and Current

10.4.4 Resistance

10.4.5 Electric Circuits and the Human Body

10.4.6 Ohm’s Law

10.4.7 Direct Current and Alternating Current

10.4.8 Capacitor

10.4.9 Impedance and its Measurement

10.5 Electrical Features of Tooth Structure

10.6 Electronic Root Canal Length Measurement Devices (ERCLMDs)

10.6.1 Fundamental Assumption

10.6.2 Background

10.6.3 Resistance-based ERCLMDs

10.6.4 Low-frequency Oscillation ERCLMDs

10.6.5 High-frequency Devices (Capacitance-based Devices; ERCLMDs)

10.6.6 Capacitance and Resistance ERCLMDs (Look-up Tables)

10.6.7 Voltage Gradient ERCLMDs (Difference in Impedance with Three Nodes)

10.6.8 Two Frequencies: Impedance and Difference ERCLMDs

10.6.9 Two Frequencies: Impedance Ratio (Quotient) ERCLMDs

10.6.10 Multifrequency ERCLMDs

10.6.11 Root Canal Length Measurement Devices Integrated Into Rotary Endodontic Motors

10.6.12 Effect of ERCLMDs on Cardiac Devices

10.6.13 Application of ERCLMDs in the Primary Dentition

References

11 Advances in Materials and Techniques for Microbial Control

Summary

11.1 Introduction

11.2 Biofilms

11.3 Sodium Hypochlorite

11.4 Detoxification of the Root Canal System by Endodontic Procedures

11.5 Inactivation of Root Canal Irrigants

11.6 Etidronic Acid and the Continuous Chelation Concept

11.7 Cetrimide and Surfactants

11.8 Passive Ultrasonic Irrigation

11.9 Negative Apical Pressure

11.10 Photodynamic Antimicrobial Therapy

11.11 Laser-activated Irrigation

11.12 Multisonic Technique

11.13 Conclusion

References

12 Nickel-Titanium Metallurgy

Summary

12.1 Introduction and Classification of Current NiTi Alloy Phases

12.2 Properties of Each Phase (Austenitic, Martinsitic, R-phase)

12.3 Surface Treatment of NiTi Alloys

12.4 Post-machining Heat Treatment of NiTi Alloys

12.5 Effects of Irrigants and Sterilisation Procedures on NiTi Alloys

12.6 Relevance of Current Studies

12.7 Conclusion

References

13 Rotary and Reciprocating Motions During Canal Preparation

Summary

13.1 Goals and Limitations of Engine-driven Root Canal Preparation

13.2 Current Instrument Designs, Movements, and Manufacturing Methods

13.3 Clinical Recommendations for Rotary and Reciprocating Canal Preparation

13.3.1 Preparation for Treatment

13.3.2 Early Coronal Modification

13.3.3 Working Length and Patency

13.3.4 Glide Path Preparation

13.3.5 Canal Preparation

13.4 Physical Properties of Engine-driven Root Canal Instruments

13.4.1 Cutting Efficiency

13.4.2 Cyclic Fatigue Resistance

13.4.3 Torsional Performance

13.5 Surrogate and Clinical Parameters Affecting Outcomes

13.5.1 Geometry of Root Canals After Preparation

13.5.2 Induction of Dentinal Micro-crack Formation

13.5.3 Debris Extrusion and Postoperative Pain

13.5.4 Functionality in Retreatment

13.6 Clinical Experiences with Rotary and Reciprocating Root Canal Instruments

References

14 Hydraulic Calcium Silicate-based Endodontic Cements

Summary

14.1 Introduction

14.2 Material Properties

14.2.1 Cement Characteristics

14.2.2 Radiopacifier Characteristics

14.2.3 Admixtures, Additives, and Vehicles

14.3 Classification of Hydraulic Cements

14.4 Specific Uses and Material Properties

14.4.1 Application on the Coronal Pulp

14.4.2 Intraradicular Use

14.4.3 Extraradicular Use

14.5 Current Challenges and Conclusions

References

15 Nanomaterials in Endodontics

Summary

15.1 Introduction

15.2 Applications and Challenges

15.3 Nanomaterials in Endodontics

15.3.1 Application of nanomaterials for Endodontic Disinfection

15.3.2 Nanomaterials in Root Canal Fillings

15.3.3 Nanomaterials in Restorative Materials

15.3.4 Nanomaterials in Regenerative Endodontic Procedures

15.3.5 Nanomaterials as Bioactive Molecule Delivery Systems

15.3.6 Nanomaterials in Scaffolds

References

Part III: Advances in Clinical Management

16 Vital Pulp Treatment

Summary

16.1 Introduction

16.2 Caries: Current Thinking and Radiographic Classification

16.3 Role of Pulp and Dentine in Repair

16.4 What Does Vital Pulp Treatment Encompass?

16.5 How Do We Classify and Diagnose Pulpal Disease?

16.6 How Do We Treat Pulpal Disease? Techniques to Avoid Pulpal Exposure

16.6.1 Indirect Pulp Capping

16.6.2 Selective Carious-tissue Removal in One Visit

16.6.3 Stepwise Excavation

16.6.4 When Should Pulp Exposure Be Avoided?

16.6.5 Follow-up

16.6.6 Outcome Analysis

16.7 How Do We Treat Pulpal Disease? Techniques When the Pulp Is Exposed

16.7.1 When Should We Expose the Pulp and How Much Tissue Should We Remove?

16.7.2 Direct Pulp Capping

16.7.3 Pulpotomy

16.7.4 Pulpectomy

16.7.5 Assessing Success

16.7.6 Future Opportunities and Therapies

16.7 Conclusion

References

17 Detection of Canal Orifices, Negotiation, and Management of Calcified and Curved Canals

Summary

17.1 Introduction

17.2 Detection of Canal Orifices

17.2.1 The Significance of Missed Anatomy on the Prognosis of Root Filled Teeth

17.2.2 Anatomical Landmarks for Detection of Root Canals

17.2.3 Clinical Detection of Canal Orifices

17.2.4 Magnification and Ultrasonics: The Perfect Tools for Detection of Canal Orifices

17.2.5 Radiographic Techniques for Detection of Root Canals

17.2.6 Guided Endodontics for Detection of Root Canals

17.3 Negotiation of Calcified and Curved Canals

17.3.1 Background

17.3.2 Negotiation, Glide Path, and Preflaring

17.3.3 Clinical Strategies for the Negotiation of Easily Scoutable Canals

17.3.4 Clinical Strategies for the Negotiation of Complex Canals

17.4 Shaping of Calcified and Curved Canals

17.4.1 Basic Principles

17.4.2 The Ideal Instruments for Shaping Calcified and Curved Canals

17.5 Conclusion

References

18 Management of Fractured Instruments

Summary

18.1 Aetiology of Instrument Fracture

18.1.1 Factors Affecting Instrument Fracture

18.1.2 Incidence of Instrument Fracture

18.1.3 Mechanisms for Instrument Fracture

18.2 Diagnosis and Treatment Planning of Fractured Instruments

18.2.1 Factors Affecting the Success of Instrument Retrieval

18.2.2 Diagnostic Examination Using CBCT for Instrument Retrieval

18.2.3 Treatment Planning for Instrument Retrieval

18.3 Root Canal Preparation Techniques

18.3.1 Potential Accidents in Ultrasonic Activation

18.3.2 Refinement of the Damaged Ultrasonic Tip

18.3.3 Root Canal Preparation Techniques for Visible Instrument Retrieval

18.3.4 Root Canal Preparation for Nonvisible Instrument Retrieval

18.4 Instrument Retrieval Techniques

18.4.1 Type of fluid used in instrument removal attempts

18.4.2 Use of Ultrasonic Activation

18.4.3 Use of the Loop

18.4.4 Use of the XP-endo Shaper

18.4.5 Mechanical Techniques Other than Ultrasonics

18.4.6 Non-mechanical Techniques

18.5 Prognosis

References

19 Repair of Pulp Chamber and Root Perforations

Summary

19.1 Introduction

19.2 Occurrence and Diagnosis of Perforations During Root Canal Treatment

19.3 Diagnosis of Perforations

19.4 Classification of Perforations and Factors Affecting Prognosis

19.4.1 Time of Repair

19.4.2 Size of Perforation

19.4.3 Location of Perforation

19.4.4 MTA as a Perforation Repair Material

19.4.5 Alternative Materials for Perforation Repair in Specific Indications

19.5 Techniques and Considerations to Clinically Repair Perforations

19.5.1 Appropriate Material Selection

19.5.2 Use of a Matrix

19.6 Nonsurgical Management of Perforations

19.6.1 Crown, Pulpal Floor, and Furcation Areas

19.6.2 Middle One Third of the Root Canal

19.6.3 Apical One Third of the Root Canal

19.7 Surgical Management of Perforations

19.8 Clinical Outcomes

19.9 Conclusion

References

20 Removal of Root Canal Filling Materials

Summary

20.1 Indications for Root Canal Retreatment

20.2 Objectives of Root Canal Retreatment Procedures

20.3 Removal of Crowns and Posts

20.3.1 Indications

20.3.2 Post Removal Techniques

20.3.3 Complications of Post Placement and Removal

20.3.4 Custom Cast Core Posts

20.3.5 Ceramic Posts

20.3.6 Removal of Fibre Posts (Tooth 26 Case with Video 3)

20.3.7 Prognostic Assessment of Post Removal

20.4 Methods for Removal of Gutta-percha

20.4.1 Hand Instruments

20.4.2 Softening of Gutta-percha

20.4.3 Engine-driven NiTi Instruments

20.4.4 Adjunctive Instruments and Techniques

20.5 Removal of Carrier-based Root Canal Filling Materials

20.6 Retrieval of Silver Cones

20.6.1 Need for Removal

20.6.2 Methods of Retrieval

20.6.3 Success of Silver Point Removal and Outcome

20.7 Removal of Calcium Silicate-based Cements

20.8 Removal of Calcium Silicate-based Sealers

20.9 Removal of Resorcinol-formaldehyde Resin Paste (Russian Red)

References

21 Restoration of Root-filled Teeth

Summary

21.1 Introduction

21.2 Examination of Root-filled Teeth Before Selection of a Treatment Approach

21.2.1 Ferrule

21.2.2 Remaining Coronal Walls

21.2.3 Marginal Ridges

21.3 Evidence from Clinical Studies Regarding Factors Affecting the Prognosis of Root filled Teeth

21.3.1 Outcome Measures and Clinical Questions Addressed by Clinical Studiess

21.4 Decision-making for Restoration of Root filled Teeth

21.4.1 Root filled Teeth with Minimal Loss of Coronal Structure

21.4.2 Root filled Teeth with Significant Loss of Coronal Structure

21.5 Clinical Considerations for the Management of Root filled Teeth Using Posts

21.5.1 Relevance of Tooth Anatomy

21.5.2 Classification of Posts

21.5.3 Effect of Post Space Preparation and Post Placement on the Fracture Resistance of Root filled Teeth

21.5.4 Clinical Steps to Cement a Post

21.6 Importance of the Final Restoration

21.7 Conclusion

References

22 Classifications and Management of Endodontic-periodontal Lesions

Summary

22.1 Communication Pathways Between the Pulp and Periodontal Tissues

22.1.1 Endo-perio Lesions: A Terminological Controversy

22.1.2 Classifications of Endo-perio Lesions

22.1.3 Foce Classification System for Endo-perio Lesions

22.1.4 Ahmed Classification System for Endo-perio Lesions

22.2 Management and Prognosis of Endo-perio Lesions

22.2.1 Crown-down Plaque-induced Periodontal Lesions Without Pulpal Involvement

22.2.2 Crown-down Plaque-induced Periodontal Lesions With Pulpal Involvement

22.2.3 Down-crown Periodontal Lesions of Endodontic Origin

22.2.4 Combined Endo-perio Lesions

22.3 Conclusion

References

23 Management of Coronal Discolouration

Summary

23.1 Introduction

23.2 Aetiology

23.3 Prevention of Coronal Discolouration Related to Endodontic Procedures

23.4 Management Guidelines

23.4.1 History

23.4.2 Evaluation and Preparation

23.4.3 Selection of the Appropriate Treatment Approach

23.4.4 Types of Intracoronal Bleaching

23.5 Bleaching of Teeth with Calcified Pulp Chambers and Root Canals

23.6 Prognosis of Intracoronal Bleaching

23.6.1 Initial Results of Intracoronal Bleaching

23.6.2 Colour Stability

23.7 Complications After Intracoronal Bleaching

23.8 Other Treatment Options

23.8.1 Restoration of Teeth After Bleaching

23.9 Tooth Discolouration Following Regenerative Endodontic Procedures

23.10 Management of Tooth Discolouration Following Regenerative Endodontic Procedures

References

24 Surgical Endodontics

Summary

24.1 Introduction

24.2 Historical Perspective

24.3 Indications for Surgical Endodontics with Root-end Resection and Treatment Alternatives

24.4 Endodontic Microsurgery (EMS) Technique

24.4.1 Diagnosis

24.4.2 Anaesthesia

24.4.3 Mucoperiosteal Flap

24.4.4 Bone Access

24.4.5 Root-end Management

24.4.6 Root-end Filling Materials, Types, and Current Advances

24.4.7 Management of the Bone Cavity

24.5 Prognosis and Outcome Evaluation

24.6 Case Difficulty Classification for Surgical Endodontics

24.6.1 Patient Level

24.6.2 Tooth Level

24.7 Other Surgical Endodontics Procedures

24.7.1 Incision and Drainage

24.7.2 Exploratory Surgery

24.7.3 Periradicular Curettage and Biopsy

24.7.4 Root Resection

24.7.5 Tooth Resection

24.7.6 Extraction with Replantation

References

25 Alternatives to Root Canal Treatment: Tooth Autotransplantation

Summary

25.1 Introduction

25.2 Indications for Autotransplantation

25.3 Advantages and Disadvantages of Tooth Autotransplantation

25.4 The Role of Interdisciplinary Team Planning

25.5 Pretransplantation Bone Management

25.6 Case Selection

25.6.1 Availability of a Donor Tooth

25.6.2 Donor Tooth Assessment

25.6.3 Recipient Site Characteristics

25.7 Success and Survival of Tooth Autotransplantation

25.7.1 Factors Affecting Prognosis of Autotransplanted Teeth

25.8 Presurgical Preparations

25.9 Tooth Autotransplantation Surgical Technique and Considerations

25.10 Socket Assessment

25.11 Antibiotic Prophylaxis

25.12 Postoperative Instructions

25.12.1 Post-transplantation Pulpal and Periodontal Management

25.13 Interim Restorative Camouflage

25.14 Pulpal Management

25.15 Orthodontic Tooth Movement

25.16 Definitive Restoration

25.17 Conclusion

References

Part IV: Evidence-based Clinical Guidelines

26 Endodontic Diagnosis

Summary

26.1 Introduction

26.2 History Taking

26.2.1 Presenting Problem

26.2.2 Dental History

26.2.3 Medical History

26.2.4 Antibiotic Cover

26.2.5 Social History

26.3 Clinical Examination

26.3.1 Extraoral assessment

26.3.2 Intraoral assessment

26.3.3 Routine Tests

26.3.4 Special Tests

26.3.5 Radiography

26.4 Classification of Pulp and Periradicular Diseases

26.4.1 American Association of Endodontists Classification System

26.4.2 Limitations of the American Association of Endodontists Classification System

26.4.3 Endolight Classification

26.5 Referred Pain

References

27 The Use of Cone-Beam Computed Tomography in Endodontics

Summary

27.1 Introduction

27.2 Detection of Apical Periodontitis

27.3 Root Canal Anatomy

27.4 Root Canal Retreatment

27.5 Endodontic Surgery

27.6 Dental Trauma

27.7 Diagnosis and Management of Root Resorption

27.8 Vertical Root Fractures

27.9 Limitations

27.10 Conclusion

References

28 Endodontic Emergencies and Systemic Antibiotics in Endodontics

Summary

28.1 Endodontic Emergencies

28.1.1 Diagnosis and Treatment Planning in Endodontic Emergencies

28.1.2 Emergency Treatment of Symptomatic Reversible Pulpitis

28.1.3 Emergency Treatment of Symptomatic Irreversible Pulpitis

28.1.4 Emergency Treatment of Acute Periapical Abscess

28.1.5 Cracked Tooth

28.1.6 Traumatic Injuries of the Teeth

28.2 Systemic Antibiotics in Endodontics

28.2.1 Antibiotics as Antimicrobial Medicaments in Endodontic Infections

28.2.2 Indications for Systemic Antibiotics as Adjuvants in the Treatment of Endodontic Infections: European Society of Endodontology Position Statement

28.2.3 Indications for Antibiotic Prophylaxis in Endodontics: European Society of Endodontology Position Statement

28.2.4 Systemic Antibiotics for the Treatment of Traumatic Injuries of the Teeth

28.3 Conclusion

References

29 Revitalization Procedures

Summary

29.1 Regeneration and Repair Processes in the Dental Pulp

29.2 Revitalization – Terminological Aspects

29.3 Position Statements of the ESE and AAE

29.4 Case Selection, Indications, and Contra-indications

29.5 Clinical Procedure

29.5.1 Disinfection

29.5.2 Provocation of Bleeding

29.6 Outcome

29.7 Future Perspectives

References

30 Management of Traumatic Dental Injuries in the Permanent Dentition

Summary

30.1 Introduction and Epidemiological Data

30.2 Classification of Traumatic Dental Injuries

30.3 Diagnosis of Traumatic Dental Injuries

30.4 Enamel Cracks and Crown Fractures

30.4.1 Vital Pulp Treatment

30.4.2 Materials for Vital Pulp Treatment

30.4.3 Success Rates of Vital Pulp Treatment in Traumatised Teeth

30.4.4 Reattachment Restoration

30.4.5 Direct Resin Composite Restoration

30.4.6 Indirect Ceramic Restoration

30.5 Crown-root Fractures

30.5.1 Adhesive Fragment Reattachment

30.5.2 Two-step Direct Composite Restoration

30.5.3 Restorative Treatment of the Accessible Regions

30.5.4 Surgical Crown Lengthening

30.5.5 Extrusion

30.6 Splinting of Traumatised Teeth (Root Fractures and Luxation Injuries)

30.7 Root Fractures

30.8 Luxation Injuries (Concussion, Subluxation, Extrusion, Lateral Luxation)

30.9 Luxation Injuries (Intrusion)

30.10 Luxation Injuries (Avulsion)

30.10.1 Avulsed Teeth with Favourable Storage Conditions

30.10.2 Avulsed Teeth with Unfavourable Storage Conditions

30.11 Systemic Doxycycline Administration

30.12 Tetanus Prophylaxis

30.13 Conclusion

References

Index

End User License Agreement

List of Tables

CHAPTER 01

Table 1.1 2D and 3D...

Table 1.2 Hsu and Kim...

Table 1.3 Root canal isthmus...

Table 1.4 Terminology of accessory...

Table 1.5 Root and root...

Table 1.6 Prevalence of second...

Table 1.7 Prevalence of lingual...

Table 1.8 Prevalence of C...

CHAPTER 04

Table 4.1 Classification of the...

Table 4.2 The typical symptoms...

Table 4.3 The typical symptoms...

Table 4.4 The typical symptoms...

Table 4.5 The typical symptoms...

Table 4.6 The typical symptoms...

Table 4.7 The typical symptoms...

Table 4.8 The typical symptoms...

Table 4.9 The typical symptoms...

Table 4.10 Classification of the...

Table 4.11 The typical symptoms...

Table 4.12 The typical symptoms...

Table 4.13 The typical symptoms...

Table 4.14 The typical symptoms...

Table 4.15 The typical symptoms...

Table 4.16 The typical symptoms...

CHAPTER 05

Table 5.1 Characteristic key...

Table 5.2 Aetiological factors of...

CHAPTER 07

Table 7.1 Bradford Hill causation...

Table 7.2 Pathways associating endodontic...

Table 7.3 Strength of the...

Table 7.4 Consistency of the...

Table 7.5 Epidemiological studies analysing...

Table 7.6 Studies investigating the...

CHAPTER 09

Table 9.1 Advantages of the dynamic...

Table 9.2 Technical characteristics...

Table 9.3 Average scan times...

CHAPTER 10

Table 10.1 Categorization of electronic...

CHAPTER 12

Table 12.1 Overview of thermomechanically...

CHAPTER 14

Table 14.1 Classification of hydraulic...

CHAPTER 15

Table 15.1 Root canal disinfection...

CHAPTER 19

Table 19.1 Requirements for an...

CHAPTER 21

Table 21.1 Characteristics of included...

Table 21.2 Characteristics of included...

Table 21.3 Characteristics of included...

CHAPTER 22

Table 22.1 Classifications for endo...

CHAPTER 23

Table 23.1 Summary of various...

Table 23.2 Summary of tooth...

Table 23.3 Summary of tooth...

Table 23.4 Comparison of advantages...

Table 23.5 Studies assessing the...

Table 23.6 Preventive measures to...

Table 23.7 A summary for...

CHAPTER 24

Table 24.1 Summary of flap...

Table 24.2 Score healing range...

Table 24.3 Case assessment form...

CHAPTER 26

Table 26.1 History of pain...

Table 26.2 Extra- and intraoral...

Table 26.3 Classification of clinical...

Table 26.4 False positives and...

Table 26.6 The 2009 classification...

Table 26.7 Signs and symptoms...

Table 26.8 Characteristics of referred...

CHAPTER 28

Table 28.1 Clinical situations...

Table 28.2 Recommended types...

Table 28.3 Indications for...

Table 28.4 Recommended antibiotic...

CHAPTER 30

Table 30.1 Classification of traumatic...

Table 30.2 Treatment options...

Table 30.3 Posttraumatic healing of...

List of Illustrations

CHAPTER 01

Figure 1.1 Common methods...

Figure 1.2 Common methods for the study...

Figure 1.3 Common classifications...

Figure 1.4 Application of the Vertucci...

Figure 1.5 Micro-CT reconstruction...

Figure 1.6 Types of accessory...

Figure 1.7 Application of the...

Figure 1.8 Application of the...

Figure 1.9 Application of the...

Figure 1.10 Application of the...

Figure 1.11 Application of the...

Figure 1.12 Application of the...

Figure 1.13 Application of the...

Figure 1.14 Application of the...

Figure 1.15 A bar chart showing...

Figure 1.16 Application of the...

Figure 1.17 Application of the...

Figure 1.18 Examples of the morphological...

Figure 1.19 The apical constriction...

Figure 1.20 In longitudinal sectioning...

Figure 1.21 The white lines show...

Figure 1.22 Micro-CT view of the...

Figure 1.23 2D measurements...

Figure 1.24 Micro-CT view...

Figure 1.25 Mean values...

Figure 1.26 The apical canal...

Figure 1.27 Two-dimensional...

Figure 1.28 Micro-CT shows...

Figure 1.29 Micro-CT view...

Figure 1.30 Micro-CT view...

Figure 1.31 Root and canal...

Figure 1.32 Root and canal...

Figure 1.34 CBCT axial...

Figure 1.33 CBCT axial...

Figure 1.35 Root and canal...

Figure 1.36 Root and canal...

Figure 1.37 CBCT images...

CHAPTER 02

Figure 2.1 Representation of...

Figure 2.2 A schematic representation...

Figure 2.3 (A) Open-apex maxillary...

Figure 2.4 Schematic of potential...

Figure 2.5 Schematic drawing...

Figure 2.6 Schematic diagram...

CHAPTER 03

Figure 3.1 Depiction of the....

Figure 3.2 Depiction of the phenotypic...

Figure 3.3 Different effects in biofilm...

CHAPTER 04

Figure 4.1 Typical pathways through...

Figure 4.2 Schematic comparison...

Figure 4.3 The stages of disease...

Figure 4.4 The stages of disease...

Figure 4.5 Schematic representation...

Figure 4.6 The progression of the...

Figure 4.7 Schematic diagram showing...

Figure 4.8 Schematic representation...

Figure 4.9 Schematic representation...

Figure 4.10 Schematic representation...

Figure 4.11 The interaction between...

CHAPTER 05

Figure 5.1 The classification...

Figure 5.2 Internal replacement...

Figure 5.3 (a) Pre-operative...

Figure 5.4 (a) Periapical...

Figure 5.5 Three-dimensional...

Figure 5.6 A case presenting...

CHAPTER 06

Figure 6.1 (a) Preoperative periapical radiograph...

Figure 6.2 (a) Preoperative periapical radiograph...

Figure 6.3 (a) Preoperative...

Figure 6.4 Truss endodontic...

Figure 6.5 (a) Preoperative...

Figure 6.6 Histological analysis...

Figure 6.7 Representative sections...

Figure 6.8 Representative sections...

Figure 6.9 Representative sections...

Figure 6.10 Representative sections...

CHAPTER 07

Figure 7.1 Immuno-pathologic origin of apical...

Figure 7.2 Biological mechanisms...

Figure 7.3 Detailed biological...

Figure 7.4 Mechanisms by...

Figure 7.5 Risk factors...

Figure 7.6 Mechanisms by...

CHAPTER 08

Figure 8.1 Different models...

Figure 8.2 VR-based...

Figure 8.3 Student interacting...

Figure 8.4 Using open...

CHAPTER 09

Figure 9.1 3D rendering...

Figure 9.2 CBCT images...

Figure 9.3 CBCT images...

Figure 9.4 3D Endo...

Figure 9.5 3D Endo...

Figure 9.6 3D Endo...

Figure 9.7 3D Endo...

Figure 9.8 3D Endo...

Figure 9.9 3D Endo...

Figure 9.10 Images provided...

Figure 9.11 Differences between...

Figure 9.12 Differences between...

Figure 9.13 Dynamic navigation...

Figure 9.14 Principles of...

Figure 9.15 DNS: plan...

Figure 9.16 DNS: trace...

Figure 9.17 DNS: trace...

Figure 9.18 DNS: calibration...

Figure 9.19 DNS: place...

Figure 9.20 Accuracy of...

Figure 9.21 DNS: place...

Figure 9.22 DNS in...

Figure 9.23 Replicas of...

CHAPTER 10

igure 10.1 Idealized anatomy of a root apex:...

Figure 10.2 Micro-CT...

Figure 10.3 Topography of...

Figure 10.4 Major apical...

Figure 10.5 A sine...

Figure 10.6 A simple...

Figure 10.7 Schematic proposed...

Figure 10.8 A simple...

Figure 10.9 Inoue’...

CHAPTER 11

Figure 11.1 (A) Biofilm...

Figure 11.2 Inhibitory effect...

Figure 11.3 Etidronic acid...

Figure 11.4 (A) EndoUltra...

Figure 11.5 (A) Fotona...

Figure 11.6 GentleWave multisonic...

CHAPTER 12

Figure 12.1 Scanning electron...

Figure 12.2 Controlled memory...

Figure 12.3 Differential scanning...

Figure 12.4 (a) Longitudinal...

Figure 12.5 A photomicrograph...

Figure 12.6 Number of...

Figure 12.7 Differential scanning...

CHAPTER 13

Figure 13.1 Examples of...

Figure 13.2 Example of...

Figure 13.3 Suggested instrumentation...

Figure 13.4 Torsional behaviour...

Figure 13.5 Micro–...

Figure 13.6 Three-dimensional...

CHAPTER 14

Figure 14.1 Diagrammatic representation...

Figure 14.2a Representative fluorescence...

Figure 14.2b SEM micrographs...

Figure 14.3a Confocal micrographs...

Figure 14.3b Scanning electron...

Figure 14.4 A schematic...

Figure 14.5 Clinical case...

Figure 14.6 Clinical case...

Figure 14.7 Revitalisation procedure...

Figure 14.8 Clinical case...

Figure 14.9 Apexification procedure...

Figure 14.10 Nonsurgical repair...

Figure 14.11 Root-end...

Figure 14.12 Surgical repair...

CHAPTER 15

Figure 15.1 Schematic showing...

Figure 15.2 Transmission electron...

Figure 15.3 Transmission electron...

Figure 15.4 (A) Schematic...

CHAPTER 16

Figure 16.1 Epidemiological data...

Figure 16.2 Top –...

Figure 16.3 Survival curves...

Figure 16.4 Flowchart summarising...

Figure 16.5 (A) An...

CHAPTER 17

Figure 17.1 (a) Preoperative...

Figure 17.2 (a) Preoperative...

Figure 17.3 (a) Clinical...

Figure 17.4 (a) Preoperative...

Figure 17.5 (a) Preoperative...

Figure 17.6 Krasner and...

Figure 17.7 Micro-CT...

Figure 17.8 Clinical image...

Figure 17.9 Micro-CT...

Figure 17.10 Clinical image...

Figure 17.11 (a) Preoperative...

Figure 17.12 (a) Preoperative...

Figure 17.13 (a) Preoperative...

Figure 17.14 Three-dimensional...

Figure 17.15 (a) Preoperative...

Figure 17.16 (a) Preoperative...

Figure 17.17 (a) Clinical...

Figure 17.18 (a) Three...

Figure 17.19 (a) Postoperative...

Figure 17.20 Three-dimensional...

Figure 17.21 Clinical images...

Figure 17.22 (a) Clinical...

Figure 17.23 (a) The...

Figure 17.24 Different clinical...

Figure 17.25 (A) Case...

Figure 17.26 (A) Clinical...

Figure 17.27 (a) Preoperative...

Figure 17.28 (a) Preoperative...

Figure 17.29 (a) Intraoperative...

Figure 17.30 (a) Preoperative...

Figure 17.31 Radiographic images...

Figure 17.32 NiTi instrument...

Figure 17.33 A reciprocating...

Figure 17.34 (a–...

Figure 17.35 (A–...

Figure 17.43 (a) Preoperative...

Figure 17.36 (a) Preoperative...

Figure 17.37 (a) Preoperative...

Figure 17.38 (a) Preoperative...

Figure 17.39 Preoperative radiograph...

Figure 17.40 (a) Intraoperative...

Figure 17.41 (a) Three...

Figure 17.42 A micro...

Figure 17.44 (a) Preoperative...

Figure 17.45 (a) Preoperative...

Figure 17.46 (a–...

Figure 17.47 Clinical image...

Figure 17.48 (a–...

Figure 17.49 (A) Preoperative...

Figure 17.50 Postoperative radiograph...

CHAPTER 18

Figure 18.1 Fractured (separated...

Figure 18.2 (A) Preoperative...

Figure 18.3 Fractured instrument...

Figure 18.4 CBCT showed...

Figure 18.8 (A) Periapical...

Figure 18.2 (A) Preoperative...

Figure 18.7 Tooth 24...

Figure 18.9 Movement of...

Figure 18.5 Treatment planning...

Figure 18.6 Typical clinical...

Figure 18.11 The longer...

Figure 18.12 Expansion and...

Figure 18.13 Continuous ultrasonic...

Figure 18.18 Stress distribution...

Figure 18.23 Comparison of...

Figure 18.16 Canal enlargement...

Figure 18.19 Canal preparation...

Figure 18.17 Axial view...

Figure 18.20 DG16 is...

Figure 18.21 The difference...

Figure 18.22 90-degree...

Figure 18.24 90-degree...

Figure 18.25 Fractured instrument...

Figure 18.26 Removal of...

Figure 18.28 Ultrasonic instrument...

Figure 18.27 Fractured instrument...

Figure 18.30 Loop adjustment...

Figure 18.31 Loop bent...

Figure 18.34 XP-Endo...

Figure 18.32 Instrument retrieval...

Figure 18.14 Sharpening of...

Figure 18.15 Creation of...

Figure 18.29 Removal of...

Figure 18.35 Removal of...

Figure 18.10 Removal of...

Figure 18.33 Instrument retrieval...

Figure 18.37 Fractured instruments...

Figure 18.36 Minimally invasive...

CHAPTER 19

Figure 19.1 A periapical...

Figure 19.2 A periapical...

Figure 19.3 A periapical...

Figure 19.4 A periapical...

Figure 19.5 A periapical...

Figure 19.6 The surgical...

Figure 19.7 A periapical...

Figure 19.8 A periapical...

Figure 19.9 Tooth 17...

Figure 19.10 Tooth 16...

Figure 19.11 The clinical...

Figure 19.12 After removal...

Figure 19.13 A CT...

Figure 19.14 Multiple perforations...

Figure 19.15 Panoramic radiograph...

Figure 19.16 Two-dimensional...

Figure 19.17 (a, b...

Figure 19.18 ProRoot MTA...

Figure 19.19 Case of...

Figure 19.20 CBCT shows...

Figure 19.21 A maxillary...

Figure 19.22 Surgical access...

Figure 19.23 Adequate haemostasis...

Figure 19.24 After 6...

Figure 19.25 A 3...

Figure 19.26 MAP system...

Figure 19.27 MAP system...

Figure 19.28 The periapical...

Figure 19.29 Repair of...

Figure 19.30 After thermoplastic...

Figure 19.31 A 4...

Figure 19.32 The radiograph...

Figure 19.33 Repair of...

Figure 19.34 One year...

Figure 19.36 Repair of...

Figure 19.35 Seven years...

Figure 19.37 Repair of...

Figure 19.38 Clinical view...

Figure 19.39 Repair of...

Figure 19.40 Filling of...

Figure 19.41 A glass...

Figure 19.42 Six years...

Figure 19.43 The two...

Figure 19.44 A 6...

Figure 19.45 Due to...

Figure 19.46 Eight years...

Figure 19.47 Eight years...

Figure 19.48 15 years...

Figure 19.49 Incorrect angulation...

Figure 19.50 Six years...

Figure 19.51 Six years...

Figure 19.52 Incorrect angulation...

Figure 19.53 Six years...

Figure 19.54 Six years...

Figure 19.55 Strip perforation...

Figure 19.56 Strip perforation...

Figure 19.57 Two years...

Figure 19.58 In this...

Figure 19.59 Because the...

Figure 19.60 The overextension...

Figure 19.61 A 1...

Figure 19.62 The radiograph...

Figure 19.63 After surgical...

Figure 19.64 Overview of...

Figure 19.65 After careful...

Figure 19.66 The postoperative...

Figure 19.67 Six years...

Figure 19.68 The radiograph...

Figure 19.69 The CBCT...

Figure 19.70 After retreatment...

Figure 19.71 One year...

Figure 19.72 Tooth 31...

Figure 19.73 In this...

Figure 19.74 The CBCT...

Figure 19.75 In this...

Figure 19.76 After cleaning...

Figure 19.77 The resorption...

Figure 19.78 After the...

Figure 19.79 A 3...

Figure 19.80 In this...

Figure 19.81 The CBCT...

Figure 19.82 In this...

Figure 19.83 A 2...

CHAPTER 20

Figures 20.1 Radiographs indicating presence...

Figure 20.2 Despite removal...

Figure 20.3 During the...

Figure 20.4 With a...

Figure 20.5 Periapical radiographic...

Figure 20.6 Removal of...

Figure 20.7 Apical radiolucency...

Figure 20.8 (a) After...

Figure 20.9 A periapical...

Figure 20.10 A retreatment...

Figure 20.11 (a) To...

Figure 20.12 After removing...

Figure 20.13 (a) Complete...

Figure 20.14 In tooth...

Figure 20.15 (a–...

Figure 20.16 (a) The...

Figure 20.17 Tooth 25...

Figure 20.18 The rubber...

Figure 20.19 (a) The...

Figure 20.20 After the...

Figure 20.21 Teeth 43...

Figure 20.22 (a) Periapical...

Figure 20.23 Periapical radiolucency...

Figure 20.24 CBCT image...

Figure 20.25 After preparing...

Figure 20.26 (a) A...

Figure 20.27 (a) After...

Figure 20.28 (a) Tooth...

Figure 20.29 CBCT before...

Figure 20.30 (a) Tooth...

Figure 20.31 (a) Tooth...

Figure 20.32 Probing of...

Figure 20.33 Radiographic appearance...

Figure 20.34 Mandibular first...

Figure 20.35 A periapical...

Figure 20.36 Insufficient root...

Figure 20.37 Maxillary first...

Figure 20.38 Many years...

Figure 20.39 Coronal CBCT...

Figure 20.40 CBCT demonstrating...

Figure 20.41 Periapical radiograph...

Figure 20.42 Axial CBCT...

Figure 20.43 A clinical...

Figure 20.44 After probing...

Figure 20.45 The overextended...

Figure 20.46 Maxillary second...

Figure 20.47 After removal...

Figure 20.48 (a) Coronal...

Figure 20.49 A second...

Figure 20.50 During gutta...

Figure 20.51 Access cavity...

Figures 20.52 A root canal treated...

Figures 20.53 During removal of the...

Figure 20.54 The ProTaper...

Figure 20.55 Micro-CT...

Figure 20.56 Preoperative radiograph...

Figure 20.57 Excessive access...

Figure 20.58 A mandibular...

Figures 20.59 Gutta-percha remnants...

Figures 20.60 Activation of the...

Figures 20.61 Removal of plastic...

Figures 20.62 Retreatment of a plastic...

Figure 20.63 From left...

Figure 20.64 Discolouration after...

Figure 20.65 Retreatment of...

Figure 20.66 Retrieval of...

Figure 20.67 Loop technique...

Figure 20.68 Re-evaluation...

Figure 20.69 Symptomatic apical...

Figure 20.70 (a) Six...

Figure 20.71 Re-evaluation...

Figure 20.72 (a) Discolouration...

Figure 20.73 Discolouration of...

Figure 20.74 (a) Access...

Figure 20.75 (a) Radiographic...

CHAPTER 21

Figure 21.1 Periodontal damage...

Figure 21.2 Root concavities...

Figure 21.3 Microcomputed tomography...

Figure 21.4 Adapting the...

Figure 21.5 Backscattered scanning...

Figure 21.6 Periapical radiograph...

Figure 21.7 Relining technique...

Figure 21.8 (a) Diagnostic...

CHAPTER 22

Figure 22.1 Micro-CT...

Figure 22.2 Examples for...

Figure 22.3 Periapical radiographic...

Figure 22.4 Radiographic images...

Figure 22.5 Illustrative diagram...

Figure 22.6 Illustrative diagram...

Figure 22.7 Illustrative diagram...

Figure 22.8 Illustrative diagram...

Figure 22.9 Illustrative diagram...

Figure 22.10 Illustrative diagram...

Figure 22.11 Illustrative diagram...

Figure 22.12 Illustrative diagram...

Figure 22.13 Illustrative diagram...

Figure 22.14 Periodontal examination...

Figure 22.15 Sinus tracking...

Figure 22.16 Illustrative diagram...

Figure 22.17 A 64...

Figure 22.18 Follow-up...

Figure 22.19 A 68...

Figure 22.20 A 69...

Figure 22.21 After one...

Figure 22.22 (a) A...

Figure 22.23 A 67...

Figure 22.24 A 70...

Figure 22.25 A 64...

CHAPTER 23

Figure 23.1 Discolouration potential...

Figure 23.2 Causes and...

Figure 23.3 (a) A...

Figure 23.4 Clinical steps...

Figure 23.6 Intracoronal bleaching...

Figure 23.5 Intracoronal bleaching...

Figure 23.7 Extracoronal bleaching...

Figure 23.8 (a) A...

CHAPTER 24

Figure 24.1 Illustrative drawings...

Figure 24.2 Illustrative drawing...

Figure 24.3 a) Photographic...

Figure 24.4 Clinical and...

Figure 24.5 a) Perforation...

Figure 24.6 a) The...

Figure 24.7 a) A...

Figure 24.8 a) A...

Figure 24.9 a) Preoperative...

Figure 24.10 a, b...

Figure 24.11 a) Preoperative...

CHAPTER 25

Figure 25.1 Clinical photographs...

Figure 25.2 Clinical photographs...

Figure 25.3 Clinical presentation...

Figure 25.4 (A, B...

Figure 25.5 This case...

Figure 25.6 (A) Two...

Figure 25.7 Photographs showing...

CHAPTER 26

Figure 26.1 Illustrative roles...

Figure 26.2 Extraoral swelling...

Figure 26.3 A fluctuant...

Figure 26.4 Maxillary left...

Figure 26.5 Tooth discolouration...

Figure 26.6 Palpation testing...

Figure 26.7 Percussion testing...

Figure 26.8 Grade 3...

Figure 26.9 Grade 2...

Figure 26.10 Cervical defect...

Figure 26.11 A propane...

Figure 26.12 Demonstrating the...

Figure 26.13 Demonstrating the...

Figure 26.14 FracfinderTM (Denbur...

Figure 26.15 Use of...

Figure 26.16 Cracked maxillary...

Figure 26.17 Multiple sinus...

Figure 26.18 Mandibular left...

Figure 26.19 Maxillary right...

Figure 26.20 A periapical...

Figure 26.21 Mandibular left...

Figure 26.22 OPG showing...

Figure 26.23 Periradicular radiograph...

Figure 26.24 Mandibular left...

Figure 26.25 Mandibular left...

Figure 26.26 Maxillary right...

Figure 26.27 Mandibular right...

Figure 26.28 Condensing osteitis...

CHAPTER 27

Figure 27.1 Plain film...

Figure 27.2 a) Plain...

Figure 27.3 a) Plain...

Figure 27.4 a) PR...

Figure 27.5 a) Plain...

Figure 27.6 a) Plain...

Figure 27.7 a) Plain...

Figure 27.8 a) Plain...

CHAPTER 28

Figure 28.1 Emergency treatment...

Figure 28.2 Crack in...

CHAPTER 29

Figure 29.1 Critical steps...

Figure 29.2 Revitalization of...

CHAPTER 30

Figure 30.1 Distribution of...

Figure 30.2 Multiple enamel...

Figure 30.3 (a) Maxillary...

Figure 30.4 (a) Crown...

Figure 30.5 (a) Enamel...

Figure 30.6 (a) Seven...

Figure 30.7 (a) Crown...

Figure 30.8 Recommended splinting...

Figure 30.9 (a) Seven...

Figure 30.10 (a) Endodontic...

Figure 30.11 (a) Dental...

Figure 30.12 (a) Avulsed...

Guide

Cover

Title page

Copyright

Table of Contents

Preface

Acknowledgements

Editors’ Biography

List of Contributors

About the Companion Website

Begin Reading

Index

End User License Agreement

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Preface

Over the last few decades, there has been a substantial increase in the body of knowledge within the field of endodontology. This has been accompanied by a global increase in the awareness of clinicians, scientists, and the general public to the benefits of endodontic therapies and the ability of the dental profession to save teeth that in the past may have been extracted. We are delighted and honoured to contribute to the ever-increasing pool of knowledge in endodontology by presenting the first edition of our new book, Endodontic Advances and Evidence-Based Clinical Guidelines.

The book is divided into four sections:

Advances in knowledge: This section focuses on the characterisation of root and canal anatomy using advanced diagnostic techniques, the bioactive properties of dentine and molecular advances in pulp regeneration, microbial biofilms in the root canal system, pulp and periodontal diseases, root resorption, minimally invasive endodontics, and technology-enhanced education.

Advances in materials and technology: This section covers advances in computed tomography imaging devices and techniques, working length determination, advances in materials and techniques for microbial control, and nickel titanium metallurgy together with recent automated motions and advances in calcium silicate-based cements.

Advances in clinical management: This section includes current trends for vital pulp therapies, an update for the detection, negotiation, and management of calcified and curved root canals, management of fractured instruments, repair of perforation defects, removal of root canal filling materials, restoration of root filled teeth, management of coronal discolouration, surgical endodontics, management of endo-perio lesions, and alternatives to root canal treatment.

Evidence-based clinical guidelines: This section includes guidelines for the use of cone-beam computed tomography in endodontics, endodontic emergencies and use of systemic antibiotics, regenerative endodontic procedures, and management of endodontic complications associated with traumatic injuries.

Recent advances in knowledge in the key areas of the specialty and their links to evidence-based clinical guidelines have allowed the latest scientific evidence to be integrated with treatment guidelines to address the needs of patients. This new and innovative format will enable undergraduate and postgraduate students, general dental practitioners, specialists, and clinical and non-clinical scientists to update their knowledge and engage with advanced treatment modalities that will have a significant, positive impact on patient management and treatment outcomes. Each chapter is accompanied by a large number of high-quality illustrations and clinical cases that will allow the reader to immediately understand current directions in research, the underlying concepts and new trends in education, and clinical techniques. The book is provided in print and eBook formats, and there is a companion website to enable the reader to access and browse the illustrations in a convenient manner.

Hany M. A. Ahmed

Paul M. H. Dummer

Acknowledgements

The editors would like to thank Wiley for supporting the concept of this new book and overseeing its production. Special thanks to Loan Nguyen, Susan Engelken, Erica Judisch, Tanya McMullin, Christy Michael and Amy Kopperude.

The editors gratefully acknowledge the contributing authors for sharing their valuable knowledge and experience.

We are also grateful to Muhammad Fairos Bin Jenal, Artist, Faculty of Dentistry, University of Malaya, for the drawings included in several chapters.

We would like to acknowledge and thank our families for their encouragement and continuous support along the way!

Editors’ Biography

Dr. Hany M. A. Ahmed, BDS, HDD, PhD, FICD, MDTFEd (RCSEd), FPFA, FADI

Dr. Ahmed graduated with a BDS (2002) from the Faculty of Dentistry, Ain Shams University, Egypt. In 2006, he obtained a Higher Dental Diploma degree in endodontics, followed by a PhD from the School of Dental Sciences, Universiti Sains Malaysia. He was awarded for his research including the IADR (SE Asian division) for the best laboratory research, in addition to the best publication award (2020), with a research group in Turkey, from the Journal of Endodontics.

Dr. Ahmed has had work published in over 100 publications. In 2012, he introduced a new classification for endo-perio lesions, and in 2017, with experts in the field, he introduced a new system for classifying root and canal morphology, accessory canals, and dental anomalies, in addition to the PROUD-2020 reporting guidelines. He is an international consultant for research projects in several countries, and a key opinion leader for dental companies.

Currently, Dr. Ahmed is a senior lecturer in endodontics at the Faculty of Dentistry, University of Malaya (UM). He leads a number of grants related to root canal anatomy and endodontic bio-materials. In 2019, he was awarded the excellent service certificate from UM. Dr. Ahmed is also a registered specialist in endodontics with the Egyptian Dental Syndicate (2012-up to date).

Recently, Dr. Ahmed was awarded membership from the Faculty of Dental Trainers, Royal College of Surgeons (Edinburgh). He is a fellow of the International College of Dentists, Academy of Dentistry International, and Pierre Fauchard Academy.

Dr. Ahmed is a scientific reviewer and editorial board member for several journals. He is also the Deputy Editor-in-Chief of the European Endodontic Journal.

Emeritus Professor Paul M. H. Dummer BDS, MScD, PhD, DDSc, FDS (RCSEd)

Professor Dummer graduated from the School of Dentistry, Welsh National School of Medicine, UK in 1973 with a bachelor’s degree in dental surgery and completed his MScD in 1980 and PhD in 1987 by research. He was awarded a senior doctorate in dental science (DDSc) in 2002 on the basis of his research record in endodontology. He has published over 300 original scientific articles in high-impact peer-reviewed journals and written several chapters in textbooks.