Digital 3D-Printed Surgical Guide for Removal of a Separated Instrument at the Maxillary Sinus Floor and Apical Microsurgery
This case report describes a maxillary first molar with chronic apical periodontitis (CAP) and a separated endodontic instrument migrated to the maxillary sinus floor, which was successfully managed with digital guide-assisted endodontic microsurgery. A 20-year-old female patient presented with long-standing occlusal p...