The Foundation of Predictable Endodontics: Access Cavity, MB2 and Irrigation

The Foundation of Predictable Endodontics: Access Cavity, MB2 and Irrigation

Category: Endodontics

Instructor(s): Francesca Cerutti

Course structure: Lessons: 3 lessons | Duration: 2 h 44 min

Course overview

Successful root canal treatment is determined long before obturation. Accurate access preparation, identification of hidden anatomy, and effective irrigation protocols are the critical factors that separate predictable treatment from avoidable failure

Built around practical clinical protocols, this course provides reproducible techniques that improve efficiency, preserve tooth structure, and increase long-term treatment success.

What you will learn

• Biologically driven access cavity design with minimally invasive principles
• Detection and management of the MB2 canal using modern clinical protocols
• Evidence-based irrigation protocols, activation techniques, and safety principles
• Prevention of common endodontic errors affecting long-term outcomes
• Clinical decision-making for more predictable root canal treatment.

Course lessons

Lesson 1: Endodontic Access Cavity: Biological Principles, Conservative Design & Clinical Protocol

• Biological and mechanical objectives of an ideal endodontic access cavity
• External and internal anatomical landmarks guiding safe and centered access preparation
• Access design considerations based on tooth anatomy, restorability, and final restoration planning
• Step-by-step protocols for access preparation and refinement under magnification
• Prevention of iatrogenic errors, including perforations, missed canals, and excessive dentin removal
• Minimally invasive access concepts while maintaining effective canal location and disinfection.

Lesson 2: Location and Management of the MB2: The Most Missed Root Canal

• Prevalence and anatomical configurations of the MB2 canal in maxillary molars
• Clinical identification of MB2 orifice location in relation to MB1 and the palatal canal
• Access cavity modifications and visual strategies for systematic MB2 detection
• Use of magnification, ultrasonics, and dedicated instruments for safe MB2 negotiation
• Shaping and irrigation strategies adapted to MB2 anatomical complexities
• Indications for CBCT imaging and referral in challenging MB2 cases
• Management principles for predictable treatment outcomes in MB2 canals.

Lesson 3: Irrigation: Protocols and Best Practices

• Roles and limitations of the main irrigants in root canal disinfection (NaOCl, EDTA, CHX, and others)
• Evidence-based parameters for irrigant concentration, volume, and contact time
• Irrigant activation methods: manual agitation, sonic, ultrasonic, negative pressure, and laser techniques
• Selection of appropriate activation strategies for routine clinical practice
• Step-by-step irrigation protocols from initial irrigation to final rinse
• Integration of irrigation strategies with canal shaping procedures
• Prevention and management of irrigation-related complications, including NaOCl accidents and apical extrusion
• Adaptation of irrigation protocols for complex cases, including retreatments, apical resorption, open apices, and severe curvatures.
• Course includes next lessons:
• 1h 9min
• Lesson 1
• Exclusive Library
• Endodontic Access Cavity: Biological Principles, Conservative Design & Clinical Protocol
• Francesca Cerutti
• Show lesson program
• 43min
• Lesson 2
• Exclusive Library
• Location and Management of the MB2: The Most Missed Root Canal
• Francesca Cerutti
• Show lesson program
• 51min
• Lesson 3
• Exclusive Library
• Irrigation: Protocols and Best Practices
• Francesca Cerutti
• Show lesson program
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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.