Volume 13 ; Issue 1 ; in Month : (2021) Article No : 118
Jose J, Sugumaran S

Abstract
Endodontic instrument separation is an unfortunate complication which can hinder the cleaning and the cleaning and shaping procedure and affecting the outcome of the treatment. The cause of instrument separation is a multifactorial process and is caused by various factors in a dental college due to the operators undergoing a practical education, it is inevitable that separation of instruments occurs. This retrospective analysis aims to assess the commonly separated instrument and the site of occurrence in a dental college. A retrospective observational analysis was done using electronic data obtained from the DIAS system of Saveetha Dental college. A total of 20 samples was assessed. The data was taken from the time frame APRIL 2019 to APRIL 2020. The assessment was done radiographically. The tabulated data was analysed using SPSS (21.0) and the type of instrument separation and site of instrument separation occurrence. A chi square test was done to assess the correlation between the site of occurrence and type of instrument fractured and was found to be statistically insignificant (p>0.005). From the results achieved it was seen most separated instruments are rotary files and H Files. Location of instrument fracture was seen in coronal and middle third more often than apical third.

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