Yazar "Ugur, Levent" için listeleme
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3D volumetric evaluation of the diagnosis and severity of carpal tunnel syndrome using MRI
Oten, Erol; Ugur, Levent (Elsevier Sci Ltd, 2022)Background: Carpal tunnel syndrome (CTS) is the most common nerve compression syndrome. The usage of clinical tests and nerve conduction studies (NCS), as well as ultrasonography and magnetic resonance images (MRI), have ... -
An analytical and numerical approach to the determination of thermal necrosis in cortical bone drilling
Aydin, Kutay; OKten, Korhan; Ugur, Levent (Wiley, 2022)In the process of repairing fractures in the bone region with orthopedic injuries, the application of supporting and strengthening the bone tissue with screws, wires, rods, and plates is a widely preferred internal fixation ... -
Changes in the loadings on the shoulder girdle in the case of scapulothoracic fusion
Atmaca, Halil; Ugur, Levent; Ozkan, Arif; Mantelli, Alberto Grassi; Erzincanli, Fehmi (WILEY-BLACKWELL, 2016)Background Scapulothoracic fusion (STF) may be an alternative and salvage procedure in the treatment of scapular winging. The biomechanical effects of this procedure on the shoulder girdle have not been previously considered. ... -
Comparative analysis of analytical and experimental results for melt pool geometry and temperature distribution in laser beam welding
Oekten, Korhan; Ornek, Buelent Nafi; Kazan, Hakan; Ugur, Levent (Springer, 2024)Laser beam welding is widely used in various industrial applications due to its low production cost, high efficiency, and fast production capabilities. It is essential to understand the melt pool and the temperature ... -
Comparison of reaction forces on the anterior cruciate and anterolateral ligaments during internal rotation and anterior drawer forces at different flexion angles of the knee joint
Ugur, Levent (WILEY, 2017)Background Having a complicated anatomy, the knee joint has been further detailed and a new formation defined, the anterolateral ligament (ALL), in recent studies. While the importance of this ligament, which previously ... -
Comparison of the Effect of Diameters and Numbers of Cannulated Screws and Headless Compression Screws on the Reduction Stability in Transverse Patellar Fractures: A Finite Element Model Study
Ugur, Levent; Karadeniz, Selami; Yildiz, Aytac (AMER SCIENTIFIC PUBLISHERS, 2017)Background: Patella fractures constitute 1% of skeletal trauma. Transverse patella fractures are the most common types of patellar fractures. A fracture gap more than 2-3 mm or irregularities in cartilage require surgical ... -
Comparison of two surgical techniques for the treatment of transverse olecranon fractures: A finite element study
Civan, Osman; Ugur, Levent; Yildiz, Gurkan (Wiley, 2021)Background In this study, we aimed to compare the stability of traditional tension band wiring (TBW) and screw combined TBW (SC-TBW) fixation methods performed for a transverse olecranon osteotomy-fracture during different ... -
CREATING THE MATHEMATICAL MODEL FOR THE SURFACE ROUGHNESS VALUES OCCURRING DURING THE TURNING OF THE AISI 1040 STEEL
Akkus, Harun; Yaka, Harun; Ugur, Levent (YILDIZ TECHNICAL UNIV, 2017)In this research, AISI 1040 steel whose hardness is 46 HRc was processed in CNC lathe. Taguchi L-16 experiment design was created based on cutting speed, feed rate and depth of cut of which is consisted of four levels. As ... -
The Effect of 3D-Printed Custom External Nasal Splint on Edema and Ecchymosis After Rhinoplasty
Erdogan, Mehmet Mustafa; Simsek, Tugce; Ugur, Levent; Kazaz, Hasan; Seyhan, Sinan; Gok, Uzeyir (W B Saunders Co-Elsevier Inc, 2021)Purpose: The aim of this study was to investigate the effects of traditional thermoplastic splints vs a 3D printed custom external nasal splint designed to apply pressure to the lateral osteotomy lines and neighboring ... -
The effect of proximal tibial corrective osteotomy on menisci, tibia and tarsal bones: a finite element model study of tibia vara
Atmaca, Halil; Ozkan, Arif; Mutlu, Ibrahim; Celik, Talip; Ugur, Levent; Kisioglu, Yasin (WILEY-BLACKWELL, 2014)BackgroundProximal tibial open wedge osteotomy (PTO) is a corrective operation used in the surgery of lower extremities and is applied to patients with varus deformities for sufficient correction. The aim of the study was ... -
Evaluation of contact characteristics of a patient-specific artificial dysplastic hip joint
Mutlu, Ibrahim; Ugur, Levent; Celik, Talip; Buluc, Levent; Muezzinoglu, Umit Sefa; Kisioglu, Yasin (WROCLAW UNIV TECHNOLOGY, 2014)This study addresses the results of the experimental measurements for the contact surface areas and contact pressure distributions of a dysplastic hip joint. The hip joint consists of pelvis, proximal femur and artificial ... -
Evaluation of the plate location used in clavicle fractures during shoulder abduction and flexion movements: a finite element analysis
Calisal, Emre; Ugur, Levent (WROCLAW UNIV TECHNOLOGY, FAC COMPUTER SCIENCE & MANAGEMENT, 2018)Purpose: Plate fixation is a commonly used surgical method in clavicular fracture treatment. The main purpose of this treatment is making the painless shoulder girdle and bring the functions to the optimum level. Plate ... -
Hemodynamic effect of bypass geometry on intracranial aneurysm: A numerical investigation
Kursun, Burak; Ugur, Levent; Keskin, Gokhan (ELSEVIER IRELAND LTD, 2018)Background and objective: Hemodynamic analyzes are used in the clinical investigation and treatment of cardiovascular diseases. In the present study, the effect of bypass geometry on intracranial aneurysm hemodynamics was ... -
The importance of Bohler's angle in calcaneus geometry: A finite element model study
Gultekin, Alper; Acar, Erdinc; Ugur, Levent; Yildiz, Aytac; Serarslan, Ulas (Turkish Joint Diseases Foundation, 2021)Objectives: Calcaneal fractures are the most common tarsal fractures following a foot-ankle trauma. The Bohler's angle is an important measurable angle before, during, and after surgery. In this study, we aimed to investigate ... -
Investigation of effect on energy consumption of surface roughness in X-axis and spindle servo motors in slot milling operation
Ozturk, Burak; Ugur, Levent; Yildiz, Aytac (ELSEVIER SCI LTD, 2019)The energy cost is a significant expense in the machining companies, and the reduction of energy consumption has a critical prescription in the industry. To increase energy efficiency, machine producers have contributed ... -
Investigation of Fatigue Behaviour of Plate Applications in Clavicle Fractures by Finite Element Method According to the Plate Replacement Position
Ugur, Levent; Karadeniz, Selami; Ozkan, Arif; Gultekin, Alper (GAZI UNIV, 2019)Background: The clavicle is an anatomical structure which has an important role on the movements of the shoulder and arm. Clavicular fractures are a common problem in skeletal system injuries. The main purpose is to achieve ... -
Investigation of the machining performance of ferritic ductile cast iron in WEDM using response surface methodology
Aydin, Kutay; Ugur, Levent; Guvercin, Salih; Gul, Ferhat (Yildiz Technical Univ, 2022)Wire electrical discharge machining (WEDM) technology is a special electrothermal processing method that can precisely production of parts with variable stiffness with sharp edges or production of complex geometric parts ... -
New design titanium miniplate in mandibular angle fracture treatment: a biomechanical study
Simsek, Tugce; Erdogan, Mehmet Mustafa; Ugur, Levent; Kazaz, Hasan; Tezcan, Erkan; Seyhan, Sinan (Springer Heidelberg, 2021)Angle mandible is one of the most common fractures in the mandible. Fractures of the angle mandible are one of the most problematic areas in the facial area due to the high frequency of complications and difficult access ... -
A NUMERICAL AND STATISTICAL APPROACH OF DRILLING PERFORMANCE ON MACHINING OF Ti-6Al-4V ALLOY
Ugur, Levent (World Scientific Publ Co Pte Ltd, 2022)Drilling, which constitutes one third of the machining operations, is widely used in many areas of the manufacturing industry. Various difficulties are encountered in the drilling process since the chip is formed in a ... -
Olecranon fractures: A biomechanical comparison of three tension band wiring fixation methods on bone models
Calisal, Emre; Ugur, Levent (Sage Publications Ltd, 2023)Purpose: This study aimed to compare the biomechanical pull-out strength of the three different tension band wiring (TBW) methods employed to fix transverse olecranon fractures on bone models.Methods: Three different ...
