Apicoectomy Definition — NDEB AFK MCQ
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Correct answer: C — Apicoectomy (apicectomy) with retrograde root-end filling
Apicoectomy (apical surgery, endodontic microsurgery) involves surgical exposure of the root apex, resection of the apical 3 mm of the root (at a 0° angle to the long axis in modern microsurgical technique), preparation of a root-end cavity (with ultrasonic tips), and placement of a biocompatible retrograde filling material (MTA or bioceramic). It is indicated when non-surgical retreatment has failed, is not feasible (post/core cannot be removed, calcified canals), or when surgical exploration is needed (suspected VRF, perforation repair, biopsy).
Reference: Torabinejad – Endodontics: Principles and Practice, 6th ed., 2021