Apically extruded debris of different file systems used with various kinematic movements during retreatment: An in vitro study
Corresponding Author
Tuğba Koşar DDS, MSc
Department of Endodontics, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey
This study was presented as a poster at the 20th Scientific Congress of the Asian Pacific Endodontic Confederation and the14th International Congress of Turkish Endodontic Society (24–27 April 2019, Istanbul, Turkey).
Correspondence
Tuğba Koşar, Department of Endodontics, Faculty of Dentistry, Karadeniz Technical University, 61080, Ortahisar, Trabzon, Turkey.
Email: [email protected]
Search for more papers by this authorDavut Çelik DDS, PhD
Department of Endodontics, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey
Search for more papers by this authorTamer Taşdemir DDS, PhD
Department of Endodontics, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey
Search for more papers by this authorCorresponding Author
Tuğba Koşar DDS, MSc
Department of Endodontics, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey
This study was presented as a poster at the 20th Scientific Congress of the Asian Pacific Endodontic Confederation and the14th International Congress of Turkish Endodontic Society (24–27 April 2019, Istanbul, Turkey).
Correspondence
Tuğba Koşar, Department of Endodontics, Faculty of Dentistry, Karadeniz Technical University, 61080, Ortahisar, Trabzon, Turkey.
Email: [email protected]
Search for more papers by this authorDavut Çelik DDS, PhD
Department of Endodontics, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey
Search for more papers by this authorTamer Taşdemir DDS, PhD
Department of Endodontics, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey
Search for more papers by this authorAbstract
This study aimed to examine the amount of apically extruded debris and time during retreatment with five current file systems, which exhibit various kinematic movements. One hundred upper central incisors were shaped with manual files and filled using the thermoplastic injection method. The root canal fillings in each group (n = 20) were removed using the Genius (GN), ProTaper Next (PTN), Reciproc (RCP) Blue, Tango-Endo (TE) and Twisted File Adaptive (TFA) file systems. The apically extruded debris was collected in preweighed Eppendorf tubes. Time to reach working length and total time were also recorded. The PTN, RCP Blue and TFA instruments caused significantly less apically extruded debris and shorter total retreatment time than the GN and TE file systems (p < 0.05). The time to reach the working length was the shortest in the PTN group compared to the other groups (p < 0.05). All file systems extruded debris while removing the root canal filling.
CONFLICT OF INTEREST
The authors deny any conflicts of interest related to this study.
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