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Comparison Of Fracture And Deformation In The Rotary Endodontic Instruments: Protaper Versus K-3 System, Sana Ehsen Nagi, Farhan Raza Khan, Munawar Rahman
Comparison Of Fracture And Deformation In The Rotary Endodontic Instruments: Protaper Versus K-3 System, Sana Ehsen Nagi, Farhan Raza Khan, Munawar Rahman
Department of Surgery
Abstract
This experimental study was done on extracted human teeth to compare the fracture and deformation of the two rotary endodontic files system namely K-3 and Protapers. It was conducted at the dental clinics of the Aga Khan University Hospital, Karachi, A log of file deformation or fracture during root canal preparation was kept. The location of fracture was noted along with the identity of the canal in which fracture took place. The fracture in the two rotary systems was compared. SPSS 20 was used for data analysis. Of the 172(80.4%) teeth possessing more than 15 degrees of curvature, fracture …