An Endodontic Case Study by Dr. Steven Cohen, DDSIn this case, the thermafil obturator separated, but was retrieved using the IRS® Instrument Removal System Black retriever for the coronal half, and a Hedstrom file for the apical half.Pre-Operation X-RayX-Ray showing the working lengthRetrieval of the Coronal half of the Thermafil ObturationRetrieval of the Apical half of the Thermafil ObturationPost-Operation X-RayDr. Steve Cohen is the on-staff Endodontist at Sunnybrook Health Sciences Centre, Department of Dentistry, is a Dental Advisor for CDPA (Canadian Dental Protective Association), and maintains a private practice, Limited to Endodontics, in Mississauga, Ontario.