a cbct assessment of apical transportation in root canals prepared with hand k-flexofile and k3 rotary instruments
نویسندگان
چکیده
introduction: apical transportation changes the physical shape and physiologic environment of the root canal terminus. the aim of the present experimental study was to determine the extent of apical transportation after instrumentation with hand k-flexofile and k3 rotary instruments by means of cone-beam computed tomography (cbct). methods and materials: forty mesiobuccal root canals of maxillary first molars, with 19-22 mm length and 20-40 ° canal curvature, were selected and assigned into two preparation groups. the first group was prepared with k-flexofile with passive step-back technique and the second group was prepared with k3 rotary instruments. pre and post instrumentation cbct images were taken under similar conditions. the amount of root canal transportation was evaluated by mann-whitney u test and the chi-square test was used for the qualitative evaluation. results: the amounts of apical canal transportation with the k3 and k-flexofile instruments were 0.105±0.088 and 0.150±0.127 mm, respectively with no statistically significant differences. in the manual technique, 25% of the canals had no apical transportation; while 30% of the canals in the k3 group were transportation free. conclusion: both systems were able to preserve the initial curvature of the canals and both had sufficient accuracy. preparation with k3 rotary instruments resulted in apical transportation similar to that of k-flexofile.
منابع مشابه
A CBCT Assessment of Apical Transportation in Root Canals Prepared with Hand K-Flexofile and K3 Rotary Instruments
INTRODUCTION Apical transportation changes the physical shape and physiologic environment of the root canal terminus. The aim of the present experimental study was to determine the extent of apical transportation after instrumentation with hand K-Flexofile and K3 rotary instruments by means of cone-beam computed tomography (CBCT). METHODS AND MATERIALS Forty mesiobuccal root canals of maxilla...
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Correction to: An Ex vivo Analysis of Apical Transportation in Root Canals Prepared with BT Race Rotary and Hand K-Flexofile by Cone Beam Computed Tomography Abbas Mesgarani1, Azadeh Zakariaie2, Azam Haddadi Kohsar1, Sina Haghanifar3, Jamshid Yazdani Charati4, Arman Ebrahimi5 1 Assistant Professor, Department of Endodontics, Faculty of Dentistry, Mazandaran University of Medical S...
متن کاملAn Ex vivo Analysis of Apical Transportation in Root Canals Prepared with BT Race Rotary and Hand K-Flexofile by Cone Beam Computed Tomography
Background and purpose: The purpose of mechanical cleaning of the root canal is to clean the canal walls, create a conical shape to facilitate access, effective washing, and filling all areas of the root canal. Errors such as root canal transportation are cuased by excessive dentin removal from the canal. The objective of this study was to investigate root canal transportation by a BT Race rota...
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چکیده ندارد.
15 صفحه اولa comparative scanning electron microscope investigation of cleanliness of root canals using hand k-flexofiles, rotary race and k3 instruments
introduction: the most important aims of root canal preparation are the removal of vital pulp tissue, remaining necrotic debris and infected dentin, eliminating the bulk of bacteria present in the root canal system. the aim of this study was to compare the cleaning efficacy of hand k-flexofiles and rotary race and k3 instruments in root canal preparation. materials and methods: a total of 60 si...
متن کاملA Comparative Scanning Electron Microscope Investigation of Cleanliness of Root Canals Using Hand K-Flexofiles, Rotary Race and K3 Instruments
INTRODUCTION The most important aims of root canal preparation are the removal of vital pulp tissue, remaining necrotic debris and infected dentin, eliminating the bulk of bacteria present in the root canal system. The aim of this study was to compare the cleaning efficacy of hand K-Flexofiles and rotary RaCe and K3 instruments in root canal preparation. MATERIALS AND METHODS A total of 60 si...
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عنوان ژورنال:
iranian endodontic journalجلد ۱۰، شماره ۱، صفحات ۴۴-۴۸
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