Yazar "Olcay, Keziban" için listeleme
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Assessment of the canal anatomy of the premolar teeth in a selected Turkish population: A cone-beam computed tomography study
Erkan, Erhan; Olcay, Keziban; Eyüboğlu, Tan Fırat; Şener, Elif; Gündoğar, Mustafa (BMC, 2023)BackgroundTeeth may have additional roots and a different number of root canals. Overlooked root canals may cause endodontic failure. The aim of this study was to investigate the prevalence of root canals and the number ... -
Clinical outcomes of non-surgical multiple-visit root canal retreatment: a retrospective cohort study
Olcay, Keziban; Eyüboğlu, Tan Fırat; Özcan, Murat (Springer, 2019)This study aimed to investigate the effects of several clinical factors on the success and survival rates of multiple-visit non-surgical root canal (NSRC) retreatment. Failed endodontically treated 236 teeth in 161 patients ... -
Comparative evaluation of postoperative pain intensity after single-visit and multiple-visit retreatment cases: A prospective randomized clinical trial
Uyan, Hatice Miray; Olcay, Keziban; Özcan, Mutlu (Universidade Estadual Paulista, Institute of Science and Technology of Sao Jose Dos Campos, 2018)Objectives: This study was designed to evaluate postoperative pain after endodontic retreatment. Material and Methods: Asymptomatic, multirooted molar & premolar teeth requiring retreatment with 2–5 mm periapical lesions ... -
Cyclic fatigue resistance of waveone gold, protaper next and 2shape nickel titanium rotary instruments using a reliable method for measuring temperature
Olcay, Keziban; Eyüboǧlu, Tan Fırat; Erkan, Erhan (Wolters Kluwer Medknow Publications, 2019)Objective: The purpose of this study was to evaluate the cyclic fatigue resistances of the WaveOne Gold (WOG), ProTaper Next (PTN), 2Shape (TS) instruments. Materials and Methods: Totally 45 new WOG (25/.07), PTN (25/.06), ... -
Dentin tubule penetration depth and sealer percentage of ah 26, mta fillapex and well-root st root canal sealers: A confocal laser scanning microscopy study
Eyüboğlu, Tan Fırat; Olcay, Keziban; Ekiz, Didem; Terlemez, Arslan (Hacettepe University, 2020)Background and Aim: The aim of this study was to evaluate the dentin tubule penetration depth and sealer percentage along the root canal wall in root canals obturated with AH26, MTA Fillapex, and Well-Root ST using confocal ... -
Effect of a novel bioceramic root canal sealer on the angiogenesis-enhancing potential of assorted human odontogenic stem cells compared with principal tricalcium silicate-based cements
Olcay, Keziban; Taşlı, Pakize Neslihan; Pamukçu Güven, Esra; Yalçın Ülker, Gül Merve; Esen Öğüt, Emine; Çiftçioǧlu, Elif; Kıratlı, Binnur; Şahin, Fikrettin (Bauru School of Dentistry, University of Sao Paulo, 2020)Objective: This study evaluated the angiogenesis-enhancing potential of a tricalcium silicate-based mineral trioxide aggregate (ProRoot MTA), Biodentine, and a novel bioceramic root canal sealer (Well-Root ST) in human ... -
The effect of boric acid on root dentin mineral content and bond strength of AH-plus: A SEM-EDX study
Akman, Melek; Belli, Sema; Olcay, Keziban; Özçopur, Betül (Turkiye Klinikleri, 2016)To investigate the effects of boric acid, EDTA and citric acid on rootdentin mineral content and on shear-bond strength of AH Plus. Material and Methods: Eighteen extracted mandibular premolars were used. The crowns were ... -
The effect of final irrigation solutions used during regenerative endodontic treatment on the push-out bond strength of endodontic cements: An in vitro study
Eyüboğlu, Tan Fırat; Olcay, Keziban (Hacettepe University, 2020)Background and Aim: Study’s aim was to compare the effect of boric acid versus ethylene-diamine-tetra-acetic acid (EDTA) in regenerative endodontic treatment on the push-out bond strength of endodontic cements. Materials ... -
The effect of radiotherapy delivery time and obturation materials on the fracture resistance of mandibular premolars
Aktemur Türker, Sevinç; Kaşıkçı, Sena; Uzunoğlu Özyürek, Emel; Olcay, Keziban; Elmas, Özlem (Springer, 2021)Objectives This ex vivo study was performed to investigate the effect of radiotherapy (RT) delivery time on fracture resistance of mandibular premolars filled with Biodentine or gutta-percha/sealer (GPS). Materials and ... -
Effects of chemical and physico-chemical surface conditioning methods on the adhesion of resin composite to different mineral trioxide aggregate based cements
Eyüboğlu, Tan Fırat; Olcay, Keziban; Özcan, Mutlu (Taylor & Francis Ltd, 2019)This study investigated the adhesion of resin composite to mineral trioxide aggregate based cements after different chemical and physico-chemical surface conditioning methods. Mineral trioxide aggregate based cements ... -
Effects of intracanal medicaments and the remaining cavity wall on fracture strength of endodontically treated molars
Olcay, Keziban; Çoban, Ata Nisa; Belli, Sema (Universidade Estadual Paulista, Institute of Science and Technology of Sao Jose dos Campos, 2018)Objective: The aim of this study was to investigate the effects of the short-term intracanal application of two medicaments on the fracture strength of root-filled molar teeth with different levels of tooth structure loss. ... -
Endodontik sebeplerle çekilmiş dişlerin mineral içeriğinin SEM-EDX yöntemi ile incelenmesi
Olcay, Keziban; Ataoğlu, Hanife; Belli, Sema (2016)Endodontik sebeplerle çekilmiş dişlerin mineral içeriğinin SEM-EDX yöntemi ile incelenmesi Amaç:Bu araştırmanın amacı; endodontik tedavi sonrasında diş dokularının mineral içeriğinde meydana gelen değişikliklerin, dişin ... -
Evaluation of related factors in the failure of endodontically treated teeth: A cross-sectional study
Olcay, Keziban; Ataoğlu, Hanife; Belli, Sema (Elsevier Science Inc, 2018)Introduction: The aim of this study was to review the factors related to the failure and extraction of unsuccessful endodontically treated teeth. Methods: A total of 1000 teeth treated with nonsurgical root canal therapy ... -
Evaluation of root canal configuration of permanent maxillary molar teeth in a Turkish subpopulation: A cone-beam computed tomographic study
Objective: Maxillary molars may be challenging for root canal treatment due to their complex canal anatomy and additional root canals, especially in the mesiobuccal root. The current study aimed to investigate the prevalence ... -
Farklı hassasiyet giderici ajanların tek aşamalı bir self-etch adeziv sistemin dentine makaslama bağlanma dayanımına etkisi
Olcay, Keziban; Eyüboğlu, Tan Fırat (2019)Amaç: Bu çalışmanın amacı, üç farklı hassasiyet giderici uygulamasını takiben tek aşamalı self-etch adeziv siste min, dentine bağlanmada makaslama dayanımı üzerineetkisinin karşılaştırılmasıdır. Gereç ve Yöntem: Bu çalışmada ... -
Incidence of dentinal crack formation during root canal preparation with two NiTi instruments activated by adaptive motion and continuous rotation: An in vitro study
Objectives: The aim of this study was to evaluate dentin crack incidence after root canal instrumentation usingProTaper Next (PT Next; Dentsply Maillefer, Ballaigues, Switzerland) and Twisted File Adaptive (TF Adaptive;Sybron ... -
Polytetrafluoroetylene tape as temporary restorative material: A fluid filtration study
Olcay, Keziban; SteIer, Liviu; Erdoğan, Hilal; Belli, Sema (Istanbul University Press, 2015)Purpose: The purpose of this study was to compare the sealing ability of temporary restorative materials at 24 hrs and 1 week. Materials and Methods: Endodontic access cavities were prepared in 56 extracted lower incisor-teeth ... -
Prevalence of vertical root fracture in extracted endodontically treated teeth: A prospective study
Olcay, Keziban; Ataoğlu, Hanife; Belli, Sema (Cumhuriyet University Faculty of Dentistry, 2017)Objectives: Vertical root fracture (VRF) is one of the complications of endodontic treatment which results extraction of the related tooth. The purpose of this prospective study was to evaluate prevalence of VRF in extracted ... -
Radiographic and clinical findings of single-visit root canal treatments with apical enlargement in necrotic teeth: A retrospective cohort study
Eyüboǧlu, Tan Fırat; Olcay, Keziban; Erkan, Erhan; Özcan, Mutlu (Hindawi Ltd, 2020)This study evaluated the long-term clinical outcomes of single-visit root canal treatments with apical enlargement on patients with necrotic pulp tissue retrospectively. A total of 137 teeth with necrotic pulp tissue which ... -
Synthesis and photopolymerizations of first monomers with phosphonate and bisphosphonate or phosphonic and bisphosphonic acid functionalities for potential dental applications
Gençoğlu, Türkan; Duman, Fatma Demir; Olcay, Keziban; Acar, Havva Yağcı; Avcı, Duygu (Wiley, 2018)The first monomers containing both phosphonate and bisphosphonate (M1) or phosphonic and bisphosphonic acid (M2) functionalities are synthesized, aiming to improve binding abilities of self-etching adhesive systems and ...