The Journal of Contemporary Dental Practice

Register      Login



Volume / Issue

Online First

Related articles

VOLUME 15 , ISSUE 6 ( November-December, 2014 ) > List of Articles


A Method for retrieving Endodontic or Atypical Nonendodontic separated Instruments from the Root Canal: A Report of Two Cases

Renato de Toledo Leonardo, Milton Carlos Kuga, Katia Cristina Keine, Andrea Abi Rached Dantas, Gisele Faria, Jardel Camilo do Carmo Monteiro, Keren Cristina Fagundes Jordão-Basso, Prashant Jay Ruchaya

Citation Information : de Toledo Leonardo R, Kuga MC, Keine KC, Dantas AA, Faria G, Monteiro JC, Jordão-Basso KC, Ruchaya PJ. A Method for retrieving Endodontic or Atypical Nonendodontic separated Instruments from the Root Canal: A Report of Two Cases. J Contemp Dent Pract 2014; 15 (6):770-774.

DOI: 10.5005/jp-journals-10024-1615

Published Online: 01-04-2015

Copyright Statement:  Copyright © 2014; The Author(s).



This clinical report presents a new method for retrieving separated instruments from the root canal with minimally invasive procedures.


The presence of separated instrument in root canal may interfere in the endodontic treatment prognosis. There are several recommended methods to retrieve separated instruments, but some are difficult in clinically practice.

Case report

This study describes two cases of separated instrument removal from the root canal using a stainless-steel prepared needle associated with a K-file. Case 1 presented a fractured gutta-percha condenser within the mandibular second premolar, it was separated during incorrect intracanal medication calcium hydroxide placement. Case 2 had a fractured sewing needle within the upper central incisor that the patient used to remove food debris from the root canal. After cervical preparation, the fractured instruments were fitted inside a prepared needle and then an endodontic instrument (#25 K-file) was adapted with clockwise turning motion between the needle inner wall and the fragment.


The endodontic or atypical nonendodontic separated instrument may be easily pull on of the root canal using a single and low cost device.

Clinical significance

The methods for retrieving separated instruments from root canal are difficult and destructive procedures. The present case describes a simple method to solve this problem.

How to cite this article

do Carmo Monteiro JC, Kuga MC, Dantas AAR, Jordão-Basso KCF, Keine KC, Ruchaya PJ, Faria G, de Toledo Leonardo R. A Method for retrieving Endodontic or Atypical Nonendodontic separated Instruments from the Root Canal: A Report of Two Cases. J Contemp Dent Pract 2014;15(6):770-774.

PDF Share
  1. Clinical decision-making after endodontic instrument fracture. Br Dent J 2013a Apr;214(8):395-400.
  2. The impact of fracture endodontic instruments on treatment outcome. Br Dent J 2013b Mar;214(6):285-289.
  3. Probability of removing fractured instruments from root canals. Int Endod J 2005 Feb;38(2):112-123.
  4. The impact of fractured endodontic file removal on vertical root fracture resistance: three-dimensional finite element analysis. Eur J Prosthodont Restor Dent 2012 Jun;20(2):86-91.
  5. Success of ultrasonic technique in removing fractured rotary nickel-titanium endodontic instruments from root canals and its effect on the required force for root fracture. J Endod 2013 Jun;39(6):824-828.
  6. Retrieval of a separated instrument using Masserann technique. J Conserv Dent 2008 Jan;11(1):42-45.
  7. Retrieval of a metallic obstruction from the root canal of a premolar using Masserann technique. Contemp Clin Dent 2013 Oct;4(4):543-546.
  8. Management of an intracanal separated instrument: a case report. Iran Endod J 2013 Fall;8(4):205-207.
  9. Electrochemical induced dissolution of fragments of nickel-titanium endodontic files and their removal from simulated root canals. Int Endod J 2014 Feb;47(2):155-162.
  10. Retrieval of a separated nickel-titanium instrument using a modified 18-guage needle and cyanoacrylate glue: a case report. Restor Dent Endod 2013 May;38(2):93-97.
  11. A new method for retrieving silver points and separated instruments from root canals. J Endod 1998 Jun;24(6):446-448.
  12. Removal of canal obstructions with the Endo Extractor. J Endod 1991 Dec;17(12):608-611.
  13. Perforation risks associated with the use of Masserann endodontic kit drills in mandibular molars. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2004 Apr;97(4):513-517.
  14. Comparison of the different techniques to remove fractured endodontic instruments from root canal systems. Eur J Dent 2009 Apr;3(2):90-95.
  15. Innovative uses for hypodermic needles in endodontics. J Endod 1999 Mar;25(3):190-191.
  16. Management of intracanal separated instruments. J Endod 2013 May;39(5):569-581.
PDF Share
PDF Share

© Jaypee Brothers Medical Publishers (P) LTD.