Case Info:
21 years old Saudi male patient , with no apparent disease or any significant family medical history, was referred to the Saudi Board of Endodontics Clinics at KAU, for management of tooth # 16 (#3), which was endodontically treated several months ago.
Radiographic images shows a separated instrument in the MB root at the coronal one third of the root canal. Patient has no symptoms at all, and seeking only treatment for his decayed teeth and replacement of the missing one.
Decision was made to non surgically retreat and retrieve the separated instrument in the (MB) root. Old temporary restoration removed and access gained.
Proultra Ultrasonic tip # 4, used to search for the orifice of a possibly present second mesiobuccal canal (MB2), and to trephine around the separated object in the orifice of the (MB) canal.
No (MB2) was found, and the separated object was successfully dislodged and removed using endodontic explorer (DG16) and long small spoon excavator.Tooth was temporized.
In the next visit, using ProTaper Universal Retreatment System, previous root filling of Palatal & DB canals removed
W.L checked radiographically and apparently (MB) canal was ledged and obliterated apically. Using a finger spreader size 20 and EDTA gel, ledge was bypassed, obliteration removed, and patency was gained for the (MB) canal.
All canals cleaned and shaped by ProTaper Universal Rotary Files and obturated by Gutta Percha & AH26 sealer, using combined lateral & vertical compaction technique.
Tooth was temporized, and patient was referred for proper coronal restoration
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