##  [Instrument Separation](/index.php/instrument-separation) 

  ##  [Instrument Separation](https://health.quantumdictionary.io/instrument-separation-0) 

  

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**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

Fracture and retention of an endodontic instrument (hand or rotary file) within the root canal lumen such that it obstructs direct mechanical access to the apical portion and may impede irrigation, cleaning and shaping.