Retrieval of Separated Instruments from Root Canal Space: A Case

Separation of nickel-titanium instrument during root canal treatment can cause serious complications that may lead to treatment failure. It prevents complete cleaning and filling of the entire root canal space. Retrieval of the instrument should be tried for better outcome of the therapy. This paper includes a case series of separated instruments. The instrument was successfully removed in four cases using an ultrasonic device under magnification. Case evaluation, a good armamentarium, and experience help the dentist to successfully retrieve separated instruments. Care must be taken in every case to avoid canal damage.