Explanipedia

Hollow-walled metamaterials: Unifying mechanical resilience and biointegration through continuous curvature Open

Anh Ly, Qiyang Tan, Yiwei Li, Zhuoyang Xin, Fanshuo Wang , et al. · 2025

Conventional lattice materials for load-bearing implants often struggle to combine high strength, stable failure modes, and effective biointegration, a challenge rooted in their discontinuous geometries and stress-concentrating nodal junct…

Contemporary use of 3D printed jigs and guides for osteotomies around the knee: a systematic review Open

Jared Walker, Yuheng Wang, Nicholas Green, Deniz U. Erbulut, Mustafa Alttahir , et al. · 2024

Background. With improved accessibility of imaging and additive manufacturing, custom targeting guides and jigs are now widely accepted across many areas of orthopaedics. During orthopedic surgery, patient-specific guides assist in the acc…

Added transverse screw in tripod construct increases stiffness in Mason III radial head fractures: a finite element analysis Open

Jared Walker, Deniz U. Erbulut, Paul R. Rebgetz, Fraser Taylor · 2024

Two-to-three times increase in natural hip and lumbar non-sagittal plane kinematics can lead to anterior cruciate ligament injury and cartilage failure scenarios during single-leg landings Open

Sara Sadeqi, Grant E. Norte, Amanda M. Murray, Deniz U. Erbulut, Vijay K. Goel · 2024

Our results support the ability of previously reported high-risk kinematics in the literature to induce injury and add to the literature by reporting extreme motion limits leading to injurious cases. Therefore, training programs able to mo…

Table of Contents Open

William J. Mallon, Yaiza Lópiz, Daniel Garr Iguez-P Erez, Pablo Scarano-Pereira, Manuel Fuentes , et al. · 2023

Bone Ingrowth Simulation within a Novel Microstructure Scaffold Open

Yuheng Wang, Luping Wang, Nicolas Soro, Zhiyong Li, Kevin Tetsworth , et al. · 2023

The utilization of bone scaffold implants represents a promising approach for repairing substantial bone defects. In recent years, various traditional scaffold structures have been developed and, with the advancements in materials biology …

Radiological and Clinical Follow-up of Alpha-D Cervical Disk Prosthesis Open

Mehmet Kürşat Karadağ, Tunç Öktenoğlu, Ahmet Tulgar Başak, Caner Günerbüyük, Mehmet Yiğit Akgün , et al. · 2022

Biomechanical Study on Three Screw-Based Atlantoaxial Fixation Techniques: A Finite Element Study Open

Deniz U. Erbulut, Muzammil Mumtaz, Iman Zafarparandeh, Ali Fahir Özer · 2022

Study Design: This is a finite element study.Purpose: This study is aimed to compare the biomechanical behaviors of three screw-based atlantoaxial fixation techniques.Overview of Literature: Screw-based constructs that are widely used to s…

Investigation into Cervical Spine Biomechanics Following Single, Multilevel and Hybrid Disc Replacement Surgery with Dynamic Cervical Implant and Fusion: A Finite Element Study Open

Muzammil Mumtaz, Iman Zafarparandeh, Deniz U. Erbulut · 2022

Cervical fusion has been a standard procedure for treating abnormalities associated with the cervical spine. However, the reliability of anterior cervical discectomy and fusion (ACDF) has become arguable due to its adverse effects on the b…

Investigation Into Cervical Spine Biomechanics Following Single, Multilevel and Hybrid Disc Replacement Surgery With Dynamic Cervical Implant and Fusion: A Finite Element Study Open

Muzammil Mumtaz, Iman Zafarparandeh, Deniz U. Erbulut · 2021

Cervical fusion has been a standard procedure for treating the abnormalities associated with the cervical spine. However, the reliability of anterior cervical discectomy and fusion (ACDF) has become arguable due to its adverse effects on t…

Tibiofemoral Cartilage Contact Pressures in Athletes During Landing: A Dynamic Finite Element Study Open

Deniz U. Erbulut, Sara Sadeqi, Rodney K. Summers, Vijay K. Goel · 2021

Cartilage defects are common in the knee joint of active athletes and remain a problem as a strong risk factor for osteoarthritis. We hypothesized that landing during sport activities, implication for subfailure ACL loading, would generate…

Optimization of Material Coefficients in the Holzapfel-Gasser-Ogden Material Model for the Main Four Ligaments of the Knee Joint-A Finite Element Study Open

Sara Sadeqi, Rodney K. Summers, Deniz U. Erbulut, Vijay K. Goel · 2021

Accurate representation of soft tissue material properties plays a crucial role in computational biomechanics. Several material models have been used for knee ligaments in finite element (FE) studies, including the neo-Hookean model (widel…

Biomechanics of the Sacroiliac Joint: Surgical Treatments Open

Amin Joukar, Ali Kiapour, Hossein Elgafy, Deniz U. Erbulut, Anand Agarwal , et al. · 2020

The SIJ is one of the most overlooked sources of lower back pain. The joint is responsible for the pain in 15% to 30% of people suffering from lower back pain. Various studies have investigated the clinical outcomes of different surgical p…

Biomechanics of the Sacroiliac Joint: Anatomy, Function, Biomechanics, Sexual Dimorphism, and Causes of Pain Open

Ali Kiapour, Amin Joukar, Hossein Elgafy, Deniz U. Erbulut, Anand Agarwal , et al. · 2019

The SIJ lies between the sacrum and the ilium and connects the spine to the pelvic bones. The SIJ transfers large bending moments and compression loads to lower extremities. However, the joint does not have as much stability of its own aga…

Effects on hip stress following sacroiliac joint fixation: A finite element study Open

Amin Joukar, Ruchi D. Chande, R. Dana Carpenter, Derek P. Lindsey, Deniz U. Erbulut , et al. · 2019

For those patients who suffer from low back pain generated by the sacroiliac (SI) joint, fusion of the SI joint has proven to be an effective means of stabilizing it and reducing pain. Though it has shown promise, SI joint fusion raises cl…

A new lumbar fixation device alternative to pedicle-based stabilization for lumbar spine: <i>In vitro</i> cadaver investigation Open

Cengiz Gömleksiz, Deniz U. Erbulut, Halil Can, Manoj Kodigudla, Amey Kelkar , et al. · 2018

Context: To evaluate the stability provided by a new bilateral fixation technique using an in vitro investigation for posterior lumbar segmental instrumentation.Design: Experimental cadaver study. In this study, we pro…

A novel modular dynamic stabilization system for the treatment of degenerative spinal pathologies Open

Ali Fahir Özer, Orhun Mete Çevik, Deniz U. Erbulut, Onur Yaman, Salim Şentürk , et al. · 2018

The Orthrus dynamic system shows better clinical results than the available dynamic systems on the market. It also proves to provide similar fusion with considerably less postoperative morbidity which makes it a better method to treat adul…

Lumbar Single-Level Dynamic Stabilization with Semi-Rigid and Full Dynamic Systems: A Retrospective Clinical and Radiological Analysis of 71 Patients Open

Ali Fahir Özer, Tunç Öktenoğlu, Emrah Egemen, Mehdi Sasani, Atilla Yılmaz , et al. · 2017

Each procedure offered satisfactory outcome regardless of which system was applied.

How to reduce stress on the pedicle screws in thoracic spine? importance of screw trajectory: a finite element analysis Open

Yahya Güvenç, Göktuğ Akyoldaş, Salim Şentürk, Deniz U. Erbulut, Onur Yaman , et al. · 2017

AT decreased the von-Mises stress of the pedicle screws, thereby reducing the rates of screw breakage and fatigue risks. In addition, we believe that AT could protect against screw loosening because the von-Mises stress of the internal fix…

Complications of 2-level dynamic stabilization Open

Mert Ciplak, Tuncer Süzer, Salim Şentürk, Onur Yaman, Mehdi Sasani , et al. · 2017

Our results showed that complications (screw loosening or breakage and adjacent segment disease) are not rare after 2-level dynamic stabilization, unlike the acceptable results with the single-level dynamic system. The most probable explan…

Influence of three-dimensional reconstruction method for building a model of the cervical spine on its biomechanical responses: A finite element analysis study Open

Iman Zafarparandeh, Deniz U. Erbulut, Ali Fahir Özer · 2016

In some finite element analysis studies of models of sections of the spine, the three-dimensional solid model is built by assuming symmetry about the mid-sagittal plane of the section, whereas in other studies, the model is built from the …

Determination of the biomechanical effect of an interspinous process device on implanted and adjacent lumbar spinal segments using a hybrid testing protocol: a finite-element study Open

Deniz U. Erbulut, Iman Zafarparandeh, Chaudhry Raza Hassan, İsmail Lazoğlu, Ali Fahir Özer · 2015

OBJECT The authors evaluated the biomechanical effects of an interspinous process (ISP) device on kinematics and load sharing at the implanted and adjacent segments. METHODS A 3D finite-element (FE) model of the lumbar spine (L1–5) was dev…

Comparison of the rigid rod system with modular plate with the finite element analysis in short-segment posterior stabilization in the lower lumbar region Open

Can Yaldız, Birol Özkal, Yayha Guvenc, Salim Şentürk, Deniz U. Erbulut , et al. · 2015

The posterior rigid stabilization system and novel stabilization system do not have a significant superiority over one another. Equivalent results in the limitation of movement and rigidity allow for the use of these systems for short-segm…

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