Lesson 1Interappointment medication and dressing (calcium hydroxide): indications and protocolsThis lesson explains when to use meds between visits, focusing on calcium hydroxide paste. It covers placing it, time needed, materials, temp seals, and handling redo or leaks.
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 lesson reviews cleaning goals, bleach strengths, and EDTA. It covers needle choice, sonic/ultrasonic activation, order, and safety to avoid spills 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 lesson reviews rubber dam tools, clamp picks, and methods for back teeth. It tackles issues like crooked teeth, broken crowns, small mouths, with comfort and safety tips.
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 lesson covers length ideas, apex finder use, and clinic steps. Includes X-ray checks, fixing odd readings, and tweaks for worn roots, open tips, tricky 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 lesson focuses on finding canals using root knowledge and grooves. Highlights inner root spots, sonic troughing, dyes, magnification, avoiding holes while hunting.
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 lesson discusses picking and using loupes or microscopes comfortably. Covers power levels, lights, posture, and vision gains for canals, cracks, precision work.
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 lesson compares filling methods for back tooth canals: warm pack, carrier, single cone with sealer. Covers case picks, tools, steps for tight 3D fills.
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 lesson explains top sealing after root canal. Reviews temp materials, entry fixes, leak prevention, and how seals affect 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 lesson tackles spotting and handling tricky canal shapes. Covers extra canals, bridge cleaning, CBCT/magnification, shaping to keep open without damage.
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 lesson plans final fixes after root canal: core builds, posts if needed, cusp covers, crown timing, design for tooth longevity.
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 lesson explains smooth path making and compares hand, rotary, back-forth tools. Covers order, power/speed, cutting errors while saving tooth structure.
Manual glide path creation stepsRotary glide path file selectionReciprocating systems indicationsRecommended torque and speed rangesSequencing for curved canalsAvoiding ledges, zips, and transportationLesson 12Anesthesia options for mandibular molars: inferior alveolar nerve block, infiltration, intraosseous, supplemental techniquesThis lesson reviews numbing for lower back teeth: jaw nerve block, infiltrations, bone shots, ligament, extras for hot teeth or fails.
Inferior alveolar nerve block protocolBuccal and lingual infiltration techniquesIntraosseous injection indicationsIntraligamentary and intrapulpal useManaging hot teeth and failed blocksAnesthetic selection and bufferingLesson 13Access cavity preparation: outlines, instruments, prevention of gouging and perforationThis lesson details entry cavity shapes for tooth types, depth control. Reviews drills, sonic tips, safe canal finding, avoiding gouges, holes, misses.
Occlusal and lingual outline principlesBur selection and depth orientationUltrasonic refinement of access wallsLocating canal orifices safelyPreventing gouging and perforationManaging calcified or tilted teeth
