Ahmet Demirhan Uygun

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AIM To compare the cyclic fatigue resistance of ProTaper Gold (PTG, Dentsply Tulsa Dental Specialities, Tulsa, OK, USA), ProTaper Next (PTN, Dentsply Tulsa Dental Specialities) and ProTaper Universal (PTU, Dentsply Tulsa Dental Specialities) instruments at different levels. METHODOLOGY A total of 72 files were used to evaluate the cyclic fatigue of PTU(More)
The aim of this study was to compare the efficacy of the XP-endo Finisher and TRUShape 3D Conforming File to conventional and ultrasonic irrigation techniques for removing calcium hydroxide from artificially created grooves on root canals. The study used 32 human mandibular premolar teeth, which were decoronated and instrumented up to ProTaper Universal F5(More)
The aim of this study was to make a comparison between the cyclic fatigue (CF) resistance of F360, twisted files (TF), FlexMaster (FM) and RaCE instruments with 4% taper. A total of 40 instruments were evaluated 8 mm from the tip. A stainless steel block with a simulated canal of 1.5 mm diameter, and a 60° angle of curvature was tested using CF testing.(More)
PURPOSE The aim of this study was to determine the amount of apically extruded debris during root canal preparation with ProTaper Gold (PTG) (Dentsply Maillefer, Ballaigues, Switzerland), ProTaper Universal (PTU) (Dentsply Maillefer), ProTaper Next (PTN) (Dentsply Maillefer), and RECIPROC (VDW, Munich, Germany) in curved canals. METHODS Eighty human(More)
The aim of the present study was to compare the effects of ProTaper Gold, WaveOne Gold, ProTaper Universal, and WaveOne instruments on the amount of apically extruded debris. Eighty mandibular premolar teeth with straight root canals were selected and assigned to four groups (n = 20). The root canals were instrumented using ProTaper Gold, WaveOne Gold,(More)
PURPOSE The aim of this study was to investigate the apical transportation of the ProGlider and ProTaper Next using 3 different motions (150° clockwise [CW]; 0° counter clockwise [CCW], 270° CW-30° CCW; and [360° CW] continuous rotation). MATERIALS AND METHODS 36 simulated, curved, plastic training blocks were randomly distributed into 3 groups for(More)
AIMS (i) To compare chlorhexidine and QMix(TM) in terms of orange-brown precipitate generation in root canals and (ii) to analyse the precipitate produced by mixing chlorhexidine and QMix(™) with NaOCl to determine whether para-chloroaniline was produced. METHODOLOGY The root canals of 57 single-rooted anterior teeth were prepared using ProTaper Universal(More)
Ebrahim Kharizinejad, Bagher Minaee Zanganeh, Neda Khanlarkhani, Keywan Mortezaee, Tayebeh Rastegar, Maryam Baazm, Farid Abolhassani, Seyed Mehdi Sajjadi, Mahdieh Hajian, Fereshte Aliakbari, and Mohammad Barbarestani Role of Spermatogonial Stem Cells Extract in Transdifferentiation of 5-Aza-20Deoxycytidine-Treated Bone Marrow Mesenchymal Stem Cells Into(More)
INTRODUCTION The aim of the present study was to evaluate the frequency of dentinal microcracks observed after root canal preparation with ProTaper Universal (PTU; Dentsply Tulsa Dental Specialties, Tulsa, OK), ProTaper Gold (PTG; Dentsply Tulsa Dental Specialties), Self-Adjusting File (SAF; ReDent Nova, Ra'anana, Israel), and XP-endo Shaper (XP; FKG(More)
The aim of this study was to determine the bond strength of resin cement in root sections with or without butterfly effect. Fifteen single-rooted human maxillary central incisors were decoronated and prepared up to size 40. After post space preparation, the resin cement was placed into the post space and the fiber posts were luted. 1 mm thickness slices(More)
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