Browsing by Author "Çakan, Umut"
Now showing items 1-20 of 20
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Assessment of hygiene habits and attitudes among removable partial denture wearers in a university hospital
Çakan, Umut; Yüzbaşıoğlu, Emir; Kurt, Hanefi; Kara, Haluk; Turunç, Rana; Akbulut, Aslıhan; Aydın, Kader (Medknow Publications, 2015)Aims: The aim of this study was conducting a survey of hygiene habits and use of removable partial dentures (RPDs) and correlate them with the social conditions of the interviewees. Methods: A total of 145 RPD wearers were ... -
Atomic force microscopy investigation of lithium disilicate glass ceramic after various surface treatments
Kara, Haluk Barış; Kara, Özlem; Sayın Özel, Gülsüm; Çakan, Umut; Öztürk, Atiye Nilgün (Maney Publishing, 2014)The aim of this study is to evaluate the influence of various surface treatments on the surface roughness of a lithium disilicate glass ceramic. A total of 25 discs of lithium disilicate glass ceramic were prepared. Specimens ... -
Comparison of implant versus tooth-supported zirconia-based single crowns in a split-mouth design: A 4-year clinical follow-up study
Güncü, Mustafa Barış; Çakan, Umut; Aktaş, Güliz; Nigar Güncü, Güliz; Canay, Şenay (Springer Heidelberg, 2016)This study aims to evaluate the 4-year clinical performance of tooth versus implant-supported single-unit zirconia crowns (LAVA (TM)) placed on posterior region. Twenty-four patients (10 men and 14 women) who had received ... -
Comparison of thermal stress on various restorative post and core materials generated by oral temperature changes using three dimensional finite element analysis
Çakan, Umut; Saygılı, Gülbin (2015)Background and Aim: The purpose of this study was to compare thermal stress on various restorative post and core materials generated by oral temperature changes using three dimensional finite element analysis. Materials ... -
Effect of anti-rotational abutment features and novel computerized fabrication techniques on the marginal fit of implant-supported metal copings
Aktaş, Güliz; Güncü, Mustafa Barış; Akçin, Elif Tuba; Çakan, Umut; Canay, Şenay (Wiley, 2021)Purpose An in vitro study to compare the marginal fit of cobalt-chromium (Co-Cr) metal copings fabricated with selective laser melting (SLM), computer-aided design and computer-aided manufacturing (CAD/CAM) milling, and ... -
Effect of liquid polishing materials on the stainability of bis-acryl interim restorative material in vitro
Çakan, Umut; Kara, Haluk Barış (Mosby, 2015)Statement of problem. The discoloration of interim restorations may negatively affect a patient's perception of treatment. Purpose. The purpose of this study was to investigate the effect of liquid polishing materials on ... -
Effect of opaque layer application on the color of resin composites used to fill access openings of screw-retained implant restorations
Çakan, Umut; Kara, Haluk Barış (Quintessence Publishing, 2015)The purpose of this preliminary in vitro study was to evaluate the effect of an opaque layer and application of resin composite in dual colors on the Delta E values of resin composites used to fill access openings of ... -
Effect of screw access channel filling materials on uniaxial retentive force of cement-retained implant restorations
Çakan, Umut; Gültekin, Pınar; Güncü, Mustafa Barış; Canay, Senay (Wiley-Blackwell, 2014)Background: This study aimed to investigate the effect of various abutment screw access channel filling materials on the uniaxial retention of castings cemented onto the abutment using temporary cement. Methods: Ten straight, ... -
Effects of various denture cleansers on surface roughness of hard permanent reline resins
Çakan, Umut; Kara, Özlem; Kara, Haluk Barış (Japanese Society for Dental Materials and Devices, 2015)The aim of this study was to investigate the influence of denture cleansers on surface roughness (Ha, mu m) of two hard permanent reline resins and a conventional acrylic denture base resin. Fifty specimens of each material, ... -
Efficacy of diode laser and gluma on post-preparation sensitivity: Arandomized split-mouth clinical study
Kara, Haluk Barış; Çakan, Umut; Yılmaz, Burcu; İnan Kurugöl, Pelin (Wiley, 2016)Objective: This study aimed to compare the efficacy of a 940-nm diode laser and Gluma desensitizer on post-preparation sensitivity of prepared teeth. Materials and Methods: Twenty patients with 76 teeth participated in the ... -
Evaluation of heat transfer to the implant-bone interface during removal of metal copings cemented onto titanium abutments
Çakan, Umut; Çakan, Murat; Delilbaşı, Çağrı (Quintessence Publishing Co Inc, 2016)Purpose: The aim of this investigation was to measure the temperature increase due to heat transferred to the implant-bone interface when the abutment screw channel is accessed or a metal-ceramic crown is sectioned buccally ... -
Evaluation of the effect of anodization-colored titanium abutments and zirconia substructure thickness on zirconia substructure color: An in vitro study
Baş, B. B.; Çakan, Umut (Wolters Kluwer Medknow Publications, 2022)Background and Aim: The aim of this study is to evaluate the effect of anodized titanium abutments and zirconia substructure thickness on the color of zirconia substructure. Materials and Methods: In this study, an ... -
Implant-supported extra-orally cemented monolithic zirconia crowns: A prospective controlled clinical study up to 18 months in function
Çakan, Umut; Özcan, Mutlu (NLM (Medline), 2022)This study evaluated the clinical performance of implant supported, extra-orally cemented, monolithic zirconia crowns after a follow-up to 18 months. Thirty-one patients with 50 posterior dental implants were consecutively ... -
In Vitro evaluation of planktonic growth on experimental cement-retained titanium surfaces
Balcı, Nur; Çakan, Umut; Aksu, Burak; Akgül, Öncü; Ülger, Nurver (Int Scientific Literature, Inc, 2016)Background: The purpose of this study was to compare the effects of selected cements, or their combination with titanium, on the growth of two periodontopathic bacteria: Prevotella intermedia (Pi) and Fusobacterium nucleatum ... -
Interdisciplinary treatment of a patient with bilateral cleft lip and palate and congenitally missing and transposed teeth
Germeç Çakan, Derya; Canter, Halil İbrahim; Çakan, Umut; Demir, Becen (Elsevier, 2014)The comprehensive treatment of a patient with cleft lip and palate requires an interdisciplinary approach for functional and esthetic outcomes. A 20-year-old woman with bilateral cleft lip and palate had a chief complaint ... -
Is it safe to reuse dental implant healing abutments sterilized and serviced by dealers of dental implant manufacturers? An in vitro sterility analysis
Çakan, Umut; Delilbaşı, Çağrı; Er, Sevda; Kıvanç, Merih (Lippincott Williams and Wilkins, 2015)Purpose: This study was undertaken to investigate the sterility of used healing abutments sterilized and serviced by dealers of dental implant manufacturers. Materials and Methods: Sixty used but sterilized healing abutments ... -
Mikrodalga ve otoklav post-polimerizasyon uygulamalarının sert besleme akriliklerinin bükülme direncine etkisinin karşılaştırılması
Çakan, Umut; Gültekin, Pınar (İstanbul Üniversitesi Diş Hekimliği Fakültesi, 2014)Amaç: Otoklav ve mikrodalga post-polimerizasyon uygulamalarının sert besleme akriliği ve ısı ile polimerize olan akriliğin bükülme direnci üzerine etkisinin karşılaştırılması. Gereç ve Yöntem: Sert besleme akriliği ve ısı ... -
Orthodontic bonding to acid- or laser-etched prebleached enamel
Özdemir, Fulya; Çakan, Umut; Gönül, Neşe; Çakan, Derya Germeç (Korean Assoc Orthodontists, 2013)Objective: Bonding forces of brackets to enamel surfaces may be affected by the procedures used for bleaching and enamel etching. The aim of this study was to investigate the bonding strength of orthodontic brackets to ... -
Short-term radio frequency analysis measurements of adin implants
Demir, Becen; Balcı, Nur; Kara, Haluk Barış; Çakan, Umut; Uslu Toygar, Hilal (Hacettepe University, 2017)Background and Aim: The purpose of this study was to understand and monitor the transition from primary to secondary stability of implants having sand blast large grit acid etched surface, for the timing of the prosthodontic ... -
Zirconia-based crowns up to 5 years in function: A retrospective clinical study and evaluation of prosthetic restorations and failures
Güncü, Mustafa Barış; Çakan, Umut; Muhtaroğulları, Mehmet; Canay, Şenay (Quintessence Publishing, 2015)Purpose: The purpose of this retrospective study was to evaluate the 5-year clinical performance and failure rate of single- or multiple-unit zirconia-based crowns. Materials and Methods: A total of 148 patients (39 men ...
