Non-Surgical Root Canal Retreatment. Clinical Protocols by Yoshi Terauchi

Non-Surgical Root Canal Retreatment. Clinical Protocols by Yoshi Terauchi

Category: Endodontics

Instructor(s): Yoshi Terauchi

Course structure: Lessons: 12 lessons | Duration: 6 h 14 min

Course overview

Online Training with Yoshi Terauchi — your key to successful non-surgical root canal retreatment and predictable instrument fragment removal with minimal complications and long-term results!

During the course, you will learn:

What you will learn

• Accurate diagnosis and treatment planning for non-surgical retreatment
• Effective and safe techniques for removing gutta-percha and bacterial biofilms from root canals
• Methods to prevent and bypass ledges in canals using predictable and practical approaches
• Innovative approaches to root canal obturation using MTA.
• Develop skills for precise and safe removal of instrument fragments using modern techniques and specialized equipment
• Learn to manage complications such as ledges and perforations, significantly improving treatment prognosis
• Gain confidence in applying comprehensive retreatment protocols aimed at long-term success and tooth preservation.

Course lessons

Lesson 1: Clinical Thinking in Endodontics with Yoshi Terauchi

• The lifestyle of Yoshi Terauchi
• The financial aspects of endodontic treatment by Yoshi Terauchi
• Critical thinking: Why should endodontic treatment be more expensive than placing a dental implant?
• Review of articles and textbook chapters published by Yoshi Terauchi
• Extraction or management of hopeless teeth with large periapical lesions
• Retreatment and periapical healing
• Extraction vs implants vs endodontic retreatment
• Management of cases involving retrieval of broken instruments inside the canals.

Lesson 2: Endodontic Retreatment: Diagnosis, Pain, and Healing

• Four reasons to remain highly successful in endodontic retreatment
• Goals of endodontic retreatment
• Definition of success in endodontics
• Differentiating odontogenic and non-odontogenic pain
• Healing of apical periodontitis: literature review
• Understanding the process of delayed healing and the progression of healing
• The three sources of pain
• Diagnosis in endodontic retreatment cases
• Post-endodontic restoration failure and its impact on the prognosis of endodontic therapy
• Understanding the pain response in inflamed pulp
• Periapical pathology
• Percussion and pulp diseases.

Lesson 3: Psychogenic and Neuropathic Pain in Dental Practice

• Psychogenic pain and its understanding in dentistry
• Neuropathic tooth pain after endodontic procedures
• Factors that can induce psychogenic pain and the descending pain inhibitory system
• Understanding “happy hormones” and serotonin production in relation to dental practice
• Phantom tooth pain: analysis of cases of non-odontogenic pain misdiagnosed and treated endodontically
• The flowchart of tissue damage: from pain to healing.

Lesson 4: Gutta-Percha Removal and Modern Obturation Techniques in Endodontics

• The effect of restoration quality on the prognosis of endodontic treatment
• The prognosis of endodontic treatment depending on the coronal restoration
• The sealer-based obturation (SBO) technique
• The continuous wave condensation (CWC) technique
• The difference between the single cone (SC) technique and the continuous wave condensation (CWC) technique
• MTA as a root canal filling material
• External apical root resorption associated with apical periodontitis
• Targets to remove in retreatment cases
• Step-by-step protocol for the prevention of coronal leakage using composite material
• Problems with gutta-percha (GP) root canal fillings and GP-centered infection
• Instruments and step-by-step protocols for gutta-percha (GP) removal
• Step-by-step protocols for the removal of external gutta-percha (GP) fillings.

Lesson 5: Modern Technologies for Root Canal Cleaning and Obturation Removal

• Video demonstration of the removal technique for gutta-percha filling
• Single-visit endodontics
• Analysis of clinical cases of gutta-percha removal and root canal obturation with MTA
• Removal of MTA obturation material using ultrasonics and EDTA
• Step-by-step video demonstration of the removal of set MTA obturation material
• Biofilm removal protocols
• Application of the Piezoflow for debris removal within the root canals
• Biofilm removal using Self-Adjusting Files (SAF) and the XP-endo Finisher
• Video demonstration of the application of the XP-endo Finisher.

Lesson 6: Advanced Techniques for Bypassing Ledges in Root Canals

• Management of ledged canals
• Characteristics of ledge formation
• Prevention of ledge formation and instrument fracture
• Analysis of different root canal file tip designs
• Crown-down technique and shaping
• Working with bi-conical file tips
• Video demonstration of ledge management using bi-conical file tips and rotary instrumentation
• Techniques to bypass an invisible ledge
• Selection of files and rotation settings for bypassing a ledge
• Application of the AI Motor with T-mode by Woodpecker
• T-mode techniques for bypassing ledges
• Techniques for bypassing invisible ledges with MP NiTi rotary files
• Bypassing ledges in S-shaped canals
• Analysis of clinical cases and video demonstration of the protocols.

Lesson 7: Broken File Removal in Endodontics: Diagnosis, Planning, and Prognosis

• Three factors affecting the success of broken file removal (BFR)
• The procedure for broken file removal (BFR) and canal preparation in a funnel shape
• Diagnosis and treatment planning for broken file removal (BFR)
• Do you need to remove every single broken instrument?
• Prognosis of retained instruments
• Broken instruments in relation to healing
• Case study: broken instrument with a preoperative periapical lesion in retreatment
• Accurate CBCT diagnosis and treatment planning.

Lesson 8: Management of Broken Instruments: Mechanical, Ultrasonic, and Surgical Techniques

• Characteristics of mechanical removal of broken instruments
• Surgical approach to removal of broken instruments
• Application of ultrasonic tips for broken instrument removal
• Placement of ultrasonic tips inside the canal
• Protocols for ultrasonic activation without pecking motion
• Drawbacks of using ultrasonics and how to manage them
• What type of irrigant is best for instrument retrieval
• Step-by-step video demonstration of using ultrasonics for instrument retrieval.

Lesson 9: Broken Instrument Removal with the Terauchi File Removal Kit

• Key canal preparation techniques for broken instrument removal
• Application of the Terauchi File Removal Kit (TFRK)
• Protocols for canal enlargement
• Protocols for retrieving separated instruments using the Terauchi File Removal Kit (TFRK)
• The 10-second rule when working with the ultrasonic tip from the Terauchi File Removal Kit (TFRK)
• Removal of broken instruments with MP NiTi files.

Lesson 10: Strategies for Removing Broken Files Using TFRK Loop and XP-Endo Shaper

• Recommended irrigant when removing a broken file beyond the curve with ultrasonics
• Application of the TFRK loop
• Preparation for the use of the TFRK endodontic loop
• Removal of broken instruments with the XP-Endo Shaper
• Rational speed in relation to torsional fatigue and cyclic fatigue
• Video demonstration of working with the TFRK endodontic loop
• Step-by-step analysis of clinical cases.

Lesson 11: Broken File Removal Beyond the Apex: Clinical Protocols and Material Selection

• Removal of broken instruments beyond the apical foramen
• Application of Piezoflow and XP-Endo Finisher
• Step-by-step analysis of clinical cases of broken instruments beyond the apical foramen
• Flowchart of broken file removal treatment plan
• Protocols for single-visit endodontic treatment
• Why MTA obturation over gutta-percha in non-surgical retreatment cases?
• Canal preparation for MTA and preparation for gutta-percha: comparison of the two techniques
• Comparison of properties between MTA and gutta-percha
• Advantages of MTA non-surgical retreatment prior to micro-endodontic surgery.

Lesson 12: Clinical and Histological Insights into MTA Obturations

• Histological assessment of MTA application and literature analysis
• Step-by-step MTA obturation procedure
• MTA obturation using 812MT with sonics
• Detailed analysis of clinical cases from diagnosis to post-treatment healing monitoring.
• Course includes next lessons:
• 14min
• Lesson 1
• Exclusive Library
• Clinical Thinking in Endodontics with Yoshi Terauchi
• Yoshi Terauchi
• Show lesson program
• 40min
• Lesson 2
• Exclusive Library
• Endodontic Retreatment: Diagnosis, Pain, and Healing
• Yoshi Terauchi
• Show lesson program
• 28min
• Lesson 3
• Exclusive Library
• Psychogenic and Neuropathic Pain in Dental Practice
• Yoshi Terauchi
• Show lesson program
• 35min
• Lesson 4
• Exclusive Library
• Gutta-Percha Removal and Modern Obturation Techniques in Endodontics
• Yoshi Terauchi
• Show lesson program
• Show more (8)
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Who is this course for?

This online course is designed for dentists and dental professionals interested in endodontics, clinical decision-making and evidence-informed dental practice.