Yazar "Keles, Ali" için listeleme
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3D Micro-CT Analysis of Void and Gap Formation in Curved Root Canals
Simsek, Neslihan; Keles, Ali; Ahmetoglu, Fuat; Akinci, Levent; Er, Kursat (Aves Press Ltd, 2017)Objective: This study used microcomputed tomography (micro-CT) to compare the volumes of voids and gaps in curved root canals instrumented and filled using various techniques. Methods: Twenty extracted mandibular first ... -
3D micro-CT analysis of void formations and push-out bonding strength of resin cements used for fiber post cementation
Uzun, Ismail Hakki; Malkoc, Meral Arslan; Keles, Ali; Ogreten, Ayse Tuba (Korean Acad Prosthodontics, 2016)PURPOSE. To investigate the void parameters within the resin cements used for fiber post cementation by micro-CT (mu CT) and regional push-out bonding strength. MATERIALS AND METHODS. Twenty-one, single and round shaped ... -
Accuracy of an endoscope to detect root canal anastomoses in mandibular molar teeth: a comparative study with micro-computed tomography
Keles, Ali; Keskin, Cangul; Alqawasmi, Rawan; Aydemir, Hikmet (Taylor & Francis Ltd, 9999)Objective: The aim of this study was to investigate the accuracy of endoscopic visualization to detect root canal anastomoses at the coronal half of the mesial root canals of mandibular molars using micro-computed tomographic ... -
Apical Root Canal Morphology of Mesial Roots of Mandibular First Molar Teeth with Vertucci Type II Configuration by Means of Micro-Computed Tomography
Keles, Ali; Keskin, Cangul (Elsevier Science Inc, 2017)Introduction: The aim of this study was to assess the features of the apical root canal anatomy and its relation to the level at which 2 separate root canals merge in the mesial roots of the mandibular first molars with ... -
Comparison of continuous wave and cold lateral condensation filling techniques in 3D printed simulated C-shape canals instrumented with Reciproc Blue or Hyflex EDM
Karatekin, Anil Ozgun; Keles, Ali; Gencoglu, Nimet (Public Library Science, 2019)Aim To compare the efficiency of continuous wave obturation and cold lateral condensation techniques and filling time in C-shape canals of 3-dimensional (3D)-printed resin teeth shaped with Reciproc Blue (VDW) or Hyflex ... -
Comparison of microcomputed tomography, cone beam tomography, stereomicroscopy, and scanning electron microscopy techniques for detection of microcracks on root dentin and effect of different apical sizes on microcrack formation
Capar, Ismail D.; Gok, Tuba; Uysal, Banu; Keles, Ali (Wiley, 2019)The aim of the study was to compare different imaging methods in the diagnosis of microcracks on root dentin and to evaluate the frequency of dentinal microcracks observed after root canal preparation using the ProTaper ... -
Comparison of newly formed microcracks after instrumentation using Protaper Next, Reciproc and Self-Adjusting File systems
Cakici, Fatih; Cakici, Elif Bahar; Sadik, Burak; Keles, Ali; Kucukekenci, Funda Fundaoglu (Istanbul Univ Press, Istanbul Univ Rectorate, 2019)Purpose The purpose of the present study is to assess the rate of newly formed microcracks comparatively during root canal instrumentation by using ProTaper Next, Reciproc, and Self-Adjusting File systems using micro-computed ... -
Cyclic fatigue resistance of R-Pilot, WaveOne Gold Glider, and ProGlider glide path instruments
Keskin, Cangul; Inan, Ugur; Demiral, Murat; Keles, Ali (Springer Heidelberg, 2018)ObjectiveThe aim of the present study was to compare the cyclic fatigue resistance of R-Pilot (VDW; Munich, Germany) with ProGlider (Denstply Sirona; Ballaigues, Switzerland) and WaveOne Gold Glider (Denstply Sirona; ... -
Detectability of Middle Mesial Root Canal Orifices by Troughing Technique in Mandibular Molars: A Micro computed Tomographic Study
Keles, Ali; Keskin, Cangul (Elsevier Science Inc, 2017)Introduction: The objective of the present study was to measure the orifice depth of middle mesial canals (MMCs) and evaluate the detectability of orifices using troughing preparation. Methods: For this study, 85 mandibular ... -
Deviations of Mesial Root Canals of Mandibular First Molar Teeth at the Apical Third: A Micro-computed Tomographic Study
Keles, Ali; Keskin, Cangul (Elsevier Science Inc, 2018)Introduction: The present study aimed to quantitatively analyze apical foramen deviations of mesial root canals of mandibular first molar teeth by means of micro computed tomographic (micro-CT) imaging. Methods: Micro-CT ... -
Effect of intracanal cryotherapy on the fracture resistance of endodontically treated teeth
Keskin, Cangul; Sariyilmaz, Evren; Keles, Ali; Guler, Duygu H. (Taylor & Francis Ltd, 2019)Objective: The aim of this study is to evaluate the effect of intracanal cryotherapy on the fracture resistance of endodontically treated teeth. Materials and methods: Sixty single-rooted maxillary lateral incisor teeth ... -
Effect of sodium hypochlorite and chlorhexidine irrigating solutions and their inactivating agents on the push-out bond strength of mineral trioxide aggregate
Sariyilmaz, Evren; Yilmaz, Ozlem Sivas; Keskin, Cangul; Keles, Ali (Ios Press, 2019)The objective of this study was to evaluate the effect of sodium hypochlorite and chlorhexidine solutions and their inactivating agents on the push-out bond strength of mineral trioxide aggregate (MTA). One hundred fifty ... -
The Effectiveness of Crataegus orientalis M Bieber. (Hawthorn) Extract Administration in Preventing Alveolar Bone Loss in Rats with Experimental Periodontitis
Hatipoglu, Mukerrem; Saglam, Mehmet; Koseoglu, Serhat; Koksal, Ekrem; Keles, Ali; Esen, Haci Hasan (Public Library Science, 2015)The purpose of this animal study was to evaluate the effects of hawthorn (Crataeus orientalis M Bieber.) extract on serum oxidative status and alveolar bone loss in experimental periodontitis. Twenty-seven Wistar rats were ... -
Evaluation of Different Techniques for Filling Simulated C-shaped Canals of 3-dimensional Printed Resin Teeth
Gok, Tuba; Capar, Ismail Davut; Akcay, Ilgin; Keles, Ali (Elsevier Science Inc, 2017)Introduction: The purpose of this study was to compare the ability of different root canal filling methods on the Cl root canal anatomy using 3-dimensional (3D) printer technology. Methods: Mandibular molars were scanned ... -
Evaluation of marginal and internal adaptation of hybrid and nanoceramic systems with microcomputed tomography: An in vitro study
Yildirim, Guler; Uzun, Ismail H.; Keles, Ali (Mosby-Elsevier, 2017)Statement of problem. The accuracy of recently introduced chairside computer-aided design and computer-aided manufacturing (CAD-CAM) blocks is not well established, and marginal integrity and internal adaptation are not ... -
Fracture Resistance of Endodontically Retreated Roots After Retreatment Using Self-Adjusting File, Passive Ultrasonic Irrigation, Photon-Induced Photoacoustic Streaming, or Laser
Kamalak, Aliye; Uzun, Ismail; Arslan, Hakan; Keles, Ali; Doganay, Ezgi; Keskin, Cangul; Akcay, Merve (Mary Ann Liebert, Inc, 2016)Objective: Additional cleaning techniques and devices are required to remove maximum amount of residual filling material, which might limit disinfection of root canal system during retreatment. This study aimed to compare ... -
Micro-CT evaluation of voids using two root filling techniques in the placement of MTA in mesial root canals of Vertucci type II configuration
Keles, Ali; Torabinejad, Mahmoud; Keskin, Cangul; Sah, Dongjin; Uzun, Ismail; Alcin, Hatice (Springer Heidelberg, 2018)Objective The present study aims to compare two mineral trioxide aggregate (MTA) placement techniques, manual compaction and ultrasonic activation of manually compacted MTA, with warm vertical compaction (WVC) for orthograde ... -
Middle mesial canals in mandibular first molars: A micro-CT study in different populations
Versiani, Marco Aurelio; Ordinola-Zapata, Ronald; Keles, Ali; Alcin, Hatice; Bramante, Clovis Monteiro; Pecora, Jesus Djalma; Sousa-Neto, Manoel Damiao (Pergamon-Elsevier Science Ltd, 2016)Objective: To describe the morphological aspects of middle mesial canals (MMC) in mandibular first molars using micro-CF. Design: Mandibular first molars collected from the Brazilian (n = 136) and Turkish (n = 122) populations ... -
Presence of voids after warm vertical compaction and single-cone obturation in band-shaped isthmuses using micro-computed tomography: A phantom study
Keles, Ali; Keskin, Cangul (Wiley, 2020)The present micro-computed tomography (micro-CT) study compared the presence of voids in the band-shaped isthmuses obturated by warm vertical compaction (WVC) and single-cone (SC) techniques. Twenty mesial roots from ... -
Quantitative Analysis of Root Canal System and Apical Part with Vertucci Type II Configuration Following Preparation with Three Different Preparation Systems: A Micro-computed Tomography Study
Keles, Ali; Keskin, Cangul (Bentham Science Publ Ltd, 2020)Objective: Isthmuses are narrow communications between root canals, and form as the result of the merging of the two root canals widening in a buccolingual direction. This widening causes the high ovality of isthmuses. The ...