Results 21 to 30 of about 6,008 (200)

Biocompatibility of polyetheretherketone for the treatment of orbital bone defects [PDF]

International Journal of Ophthalmology, 2020
AIM: To investigate the biocompatibility and therapeutic effects of polyetheretherketone (PEEK) on recovery of a rabbit orbital defect. METHODS: Totally 16 New Zealand rabbits were used to establish an orbital bone defect model and then randomly divided
Rui-Dong Gu, Fan Xiao, Lin Wang, Kai-Jian Sun, Lin-Lin Chen   +4 more
doaj   +1 more source

Malposition of Cage in Minimally Invasive Oblique Lumbar Interbody Fusion

Case Reports in Orthopedics, 2018
Introduction. Minimally invasive oblique lumbar interbody fusion is one of the novel lateral lumbar interbody fusion techniques for which the successful early results have been reported.
Chaiwat Kraiwattanapong, Vanlapa Arnuntasupakul, Rungthiwa Kantawan, Gun Keorochana, Thamrong Lertudomphonwanit, Pakkanut Sirijaturaporn, Methawut Thonginta   +6 more
doaj   +1 more source

Bioinspired Modifications of PEEK Implants for Bone Tissue Engineering

Frontiers in Bioengineering and Biotechnology, 2021
In recent years, polyetheretherketone (PEEK) has been increasingly employed as an implant material in clinical applications. Although PEEK is biocompatible, chemically stable, and radiolucent and has an elastic modulus similar to that of natural bone, it
Xinming Gu, Xiaolin Sun, Yue Sun, Jia Wang, Yiping Liu, Kaixuan Yu, Yao Wang, Yanmin Zhou   +7 more
doaj   +1 more source

Comparative Evaluation of Peri-implant Strain Generated by Implant-supported Crowns Fabricated with Different Restorative Materials: An In Vitro Study [PDF]

International Journal of Prosthodontics and Restorative Dentistry
Purpose: To evaluate and compare peri-implant strain generated by polyetheretherketone (PEEK), zirconia, and porcelain-fused-to-metal (PFM) screw- and cement-retained implant-supported crowns using strain gauges.
Komalpreet Kaur, Komal Sehgal, Puneet Sahore, Prashant Jindal, Shefali Singla, Shrishti Bhardwaj   +5 more
doaj   +1 more source

Finite element analysis of the effect of framework materials at the bone–implant interface in the all-on-four implant system

Dental Research Journal, 2021
Background: The “All-on-four” concept for treatment of edentulous arches incorporates four implants that are placed in between mental foramina in the mandible.
Kasturi Chandrashekhar Kelkar, Vinaya Bhat, Chethan Hegde   +2 more
doaj   +1 more source

Application prospect of polyetheretherketone in postcore crown restorations

口腔疾病防治, 2022
Polyetheretherketone (PEEK) is known as a high-grade engineering plastic with good mechanical properties, chemical stability and biocompatibility. Currently, PEEK materials have been widely used in prosthodontics, such as complete dentures and removable ...
XU Xiaojie, ZHAO Yuan
doaj   +1 more source

Fracture resistance of polyetheretherketone, Ni-Cr, and fiberglass postcore systems: An in vitro study

Dental Research Journal, 2022
Background: It is unclear which the material is a better choice for post and core rehabilitation systems in endodontically treated teeth. This study aimed to compare the fracture resistance of three different postcore systems.
Hossein Pourkhalili, Donya Maleki
doaj   +1 more source

Biomechanical Effects of Proximal Polyetheretherketone Rod Extension on the Upper Instrumented and Adjacent Levels in a Human Long-Segment Construct: A Cadaveric Model [PDF]

Neurospine, 2022
Objective The high mechanical stress zone at the sudden transition from a rigid to flexible region is involved in proximal junctional kyphosis (PJK) physiopathology. We evaluated the biomechanical performance of polyetheretherketone (PEEK) rods used as a
Bernardo de Andrada Pereira, Jennifer N. Lehrman, Anna G.U. Sawa, Piyanat Wangsawatwong, Jakub Godzik, David S. Xu, Jay D. Turner, Brian P. Kelly, Juan S. Uribe   +8 more
doaj   +1 more source

Preparation and Characterization of High-Strength and High-Modulus Multi-Walled Carbon Nanotube/Hydroxyapatite/Carbon Fiber/Polyetheretherketone Composites

Applied Sciences
The materials currently used for bone prostheses are mainly metals such as titanium alloy. Compared with human cortical bone, traditional metals exhibit high elastic moduli, which may lead to stress shielding.
Lijian Liu, Yongkang Zhang, Shaobo Ma, Shouxiao Zhu, Shuxuan Wu, Bin Wei, Guang Yang   +6 more
doaj   +1 more source

Titanium allergy: A literature review

Indian Journal of Dermatology, 2014
Titanium has gained immense popularity and has successfully established itself as the material of choice for dental implants. In both medical and dental fields, titanium and its alloys have demonstrated success as biomedical devices.
Manish Goutam, Chandu Giriyapura, Sunil Kumar Mishra, Siddharth Gupta   +3 more
doaj   +1 more source