Lesson 1Interappointment medication and dressing (calcium hydroxide): indications and protocolsThis section clarifies indications for interappointment medication, emphasising calcium hydroxide. It includes placement methods, contact duration, dressing materials, temporary sealing, and protocols for retreatment or ongoing exudation.
Indications for calcium hydroxide useMixing and placement techniquesDuration of intracanal medicationManagement of persistent exudationDressings in retreatment casesRemoval of calcium hydroxide before fillLesson 2Irrigation fundamentals: sodium hypochlorite concentration and activation (ultrasonic, sonic), EDTA use, irrigation safetyThis section reviews irrigation objectives, sodium hypochlorite concentrations, and EDTA application. It explains needle choice, activation techniques like ultrasonic and sonic, irrigation sequences, and safety protocols to avoid extrusion and mishaps.
Biologic goals of root canal irrigationSodium hypochlorite concentration choicesEDTA timing and smear layer removalNeedle design and irrigation depthUltrasonic and sonic activation methodsPreventing irrigant extrusion accidentsLesson 3Rubber dam isolation: techniques for posterior teeth, clamps selection, and isolation troubleshootingThis section reviews rubber dam equipment, clamp selection, and isolation techniques for posterior teeth. It tackles common issues like malpositioned teeth, fractured crowns, and restricted mouth opening, with advice for patient comfort and safety.
Rubber dam components and setupClamp selection for molars and premolarsPunching and placing dam for quadrantsIsolation in broken or carious crownsManaging limited mouth openingPreventing leakage and soft tissue injuryLesson 4Working length determination: apex locator use, radiographic confirmation, handling unusual root morphologyThis section addresses working length principles, apex locator operation, and clinical application steps. It includes radiographic verification, resolving inconsistent readings, and adapting for resorption, open apices, and intricate root shapes.
Apical constriction and reference pointsApex locator setup and calibrationClinical steps with apex locatorsRadiographic verification techniquesManaging open apices and resorptionTroubleshooting erratic readingsLesson 5Canal location strategies: knowledge of mesial root anatomy, groove locations, ultrasonics for troughingThis section focuses on methodical canal location using root anatomy and groove knowledge. It highlights mesial root features, ultrasonic troughing, staining and magnification, and strategies to prevent perforation during exploration.
Anatomic landmarks in mandibular molarsMesial root and groove orientationTroughing with ultrasonics safelyUse of dyes and magnification aidsManaging calcified chamber floorsAvoiding strip and furcation perforationLesson 6Magnification and illumination: selection and ergonomics of loupes vs operating microscope, practical benefitsThis section discusses selecting and ergonomically using loupes and operating microscopes. It covers magnification levels, lighting choices, posture, and how improved vision aids canal location, crack identification, and treatment accuracy.
Choosing magnification levels and opticsLoupes versus operating microscopeCoaxial illumination and light settingsErgonomic positioning and postureUsing magnification for canal locationMaintenance and infection controlLesson 7Obturation techniques for molar canals: warm vertical compaction, carrier-based systems, single cone with sealer—selection criteriaThis section compares obturation methods for molar canals, such as warm vertical compaction, carrier-based systems, and single cone with bioceramic sealer. It includes case selection, equipment, and steps for dense, three-dimensional obturation.
Criteria for timing of obturationWarm vertical compaction workflowCarrier-based obturation indicationsSingle cone with bioceramic sealerRadiographic evaluation of obturationManaging voids and underfillsLesson 8Coronal seal and provisional restoration: materials and techniques to prevent reinfectionThis section explains coronal sealing principles post-endodontic therapy. It reviews provisional materials, access restoration methods, microleakage prevention, and the impact of temporary and permanent seals on long-term success.
Importance of immediate coronal sealSelection of temporary materialsTechniques for sealing access cavitiesPreventing microleakage and washoutTransition to definitive restorationsManaging lost or failed temporariesLesson 9Management of complex anatomy: locating and negotiating extra canals, isthmus cleaning techniquesThis section deals with identifying and managing complex root canal anatomy. It covers finding extra canals, isthmus cleaning approaches, CBCT and magnification use, and shaping adjustments to preserve patency and avoid iatrogenic harm.
Identifying teeth prone to extra canalsUse of CBCT for anatomic assessmentTroughing with ultrasonics for MB2Isthmus cleaning and activation methodsGlide path in severely curved canalsBypassing ledges and blockages safelyLesson 10Post-endodontic restorative planning: core build-up, cuspal coverage, timing of permanent restorationThis section focuses on planning permanent restoration after root canal therapy. It covers core build-up materials, post indications, cuspal coverage choices, crown timing, and restorative design effects on tooth durability.
Assessing remaining tooth structureCore build-up materials and techniquesIndications for post placementCuspal coverage versus direct restorationsTiming of permanent restorationsCommunication with restorative dentistLesson 11Shaping protocols: glide path creation, hand vs rotary vs reciprocating systems, sequencing and torque/speed settingsThis section explains glide path establishment and compares hand, rotary, and reciprocating systems. It includes sequencing, torque and speed parameters, and methods to lessen procedural errors whilst conserving dentin and canal structure.
Manual glide path creation stepsRotary glide path file selectionReciprocating systems indicationsRecommended torque and speed rangesSequencing for curved canalsAvoiding ledges, zips, and transportationLesson 12Anaesthesia options for mandibular molars: inferior alveolar nerve block, infiltration, intraosseous, supplemental techniquesThis section reviews anaesthesia strategies for mandibular molars, including inferior alveolar nerve block, buccal and lingual infiltrations, intraosseous and intraligamentary injections, and supplementary methods for inflamed pulps and failed anaesthetics.
Inferior alveolar nerve block protocolBuccal and lingual infiltration techniquesIntraosseous injection indicationsIntraligamentary and intrapulpal useManaging hot teeth and failed blocksAnaesthetic selection and bufferingLesson 13Access cavity preparation: outlines, instruments, prevention of gouging and perforationThis section details access cavity design for various tooth types, including outline forms and depth management. It reviews burs and ultrasonic tips, safe canal location strategies, and preventing gouging, perforation, and overlooked canals.
Occlusal and lingual outline principlesBur selection and depth orientationUltrasonic refinement of access wallsLocating canal orifices safelyPreventing gouging and perforationManaging calcified or tilted teeth
