Hussein, S., Bayoumi, A. (2018). Comparison between Three Different Root Canal Rotary Instruments in retreatment: An in vitro study. test, 64(Issue 4 - October (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics)), 3883-3887. doi: 10.21608/edj.2018.79364
Shady Ali Hussein; Amr Ahmed Bayoumi. "Comparison between Three Different Root Canal Rotary Instruments in retreatment: An in vitro study". test, 64, Issue 4 - October (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics), 2018, 3883-3887. doi: 10.21608/edj.2018.79364
Hussein, S., Bayoumi, A. (2018). 'Comparison between Three Different Root Canal Rotary Instruments in retreatment: An in vitro study', test, 64(Issue 4 - October (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics)), pp. 3883-3887. doi: 10.21608/edj.2018.79364
Hussein, S., Bayoumi, A. Comparison between Three Different Root Canal Rotary Instruments in retreatment: An in vitro study. test, 2018; 64(Issue 4 - October (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics)): 3883-3887. doi: 10.21608/edj.2018.79364

Comparison between Three Different Root Canal Rotary Instruments in retreatment: An in vitro study

Egyptian Dental Journal
Article 36, Volume 64, Issue 4 - October (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics), October 2018, Pages 3883-3887    PDF (295.58 K)
Document Type: Original Article
DOI: 10.21608/edj.2018.79364
Authors
Shady Ali Hussein1; Amr Ahmed Bayoumi2
1Lecturer of Endodontics, Ain Shams University
2Lecturer of Endodontics, Miser International University
Abstract
Aim: The aim of this study was to compare Protaper Universal retreatment files, M-Pro, and
Twisted files in retreatment.
Methodology: Experimental groups were divided into three group; Group I: Protaper Universal
Retreatment (PTU; Dentsply Maillefer, Ballaigues, Switzerland), Group II: M-Pro (Innovative
Material and Devices, ShangHai, China), and Group III: Twisted File (TF; SybronEndo, Orange,
CA). Each group was evaluated for time to reach the working length, amount of debris extruded
during retreatment. Data were then collected, tabulated and statistically analyzed.
Results: Statistical analysis showed that TF recorded the least time to reach the working length,
while M-Pro showed the highest amount of debris extruded.
Conclusion: Under the condition of the current study, TF was faster than M-Pro and PTU to
perform gutta-percha removal in the retreatment of teeth. The use of M-Pro in retreatment increased
the amount of apically extruded debris.

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