Define the goals of obturation of root canal systems

Define the goals of obturation of root canal systems
Reflect on a case scenario where you have carried out preparation of root canal systems for a patient. Please discuss the instrumentation techniques you used as a part of the treatment. Please include clinical pictures where possible and describe different aspects that you considered in your decision .
What went well, what didn’t go well
What you would do differently if you are treating the same patient in future.
Appropriate, relevant and updated references should be cited.