Immediate Loading on Tapered Versus Straight Multiple Implants: A 3-Year Follow-Up of a Randomized Clinical Trial. [PDF]
Song YW +6 more
europepmc +1 more source
Ultrasound evaluation of radial nerve injuries by cortex overlapping screw tips after internal fixation of humeral fractures: a cadaveric study. [PDF]
Lorenzana D +5 more
europepmc +1 more source
Single-position prone lateral transpsoas interbody fusion with Mazor robotic guidance. [PDF]
Wilson JP +3 more
europepmc +1 more source
Pullout Performance of Self-Tapping Medical Screws [PDF]
This study investigates the effect of the pilot hole size, implant depth, synthetic bone density, and screw size on the pullout strength of the self-tapping screw using analytical, finite element, and experimental methodologies. Stress distribution and failure propagation mode around the implant thread zone are also investigated.
Zhijun Wu, Xianjie Yang, Yang Xianjie
exaly +4 more sources
Theoretical modelling of the self-tapping screw fastening process [PDF]
The results of a theoretical study of the self-tapping screw insertion process are presented. Fundamental concepts of engineering mechanics are employed to analyse the axial torque required to complete a general self-tapping screw insertion operation.
S W E Earles
exaly +4 more sources
Self-Tapping Screw Performance in Aluminum-Steel Joints [PDF]
Over the last few decades, lightweight material joints including plastics, aluminum, magnesium and various composites have been widely used in many mechanical and structural applications such as automotive, aircraft and so on, for their high strength-to-weight ratio and the significant improvement for the fuel economy and energy efficiency.
Zhijun Wu +3 more
openaire +2 more sources
Related searches:
Joining polymer parts with self-tapping screws: an improvement of the screw thread geometry
International Journal of Material Forming, 2020In the present article, the influence of the self-tapping screw’s geometry during the thread forming processes in polymer types used in several industries was studied and analysed using experimental measurement and the finite element method. A number of parameters, such as assembly, type of materials and geometry, were studied. Several commercial screw
Wilmer E Cumbicus +2 more
exaly +2 more sources
Pretapped and self-tapping screws in the human midface: Torque measurements and bone screw interface
International Journal of Oral and Maxillofacial Surgery, 1990Better contact between AO miniscrews and the bone and greater resistance against torque are achieved in the human midface if the thread is not pretapped. This was demonstrated by 60 methacrylate fixed human midfacial bone sections and by 100 torque measurements. It is concluded that pretapping is not to be recommended in the thin bone of the midface.
Wolfgang Bahr
exaly +3 more sources
Quantifying Accuracy of Self-Tapping Screw Models
2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 2021Correct torquing of bone screws is important to prevent fixation failures and ensure positive patient outcomes. It has been proposed that an automatic model-based method may be able to determine the patient-specific material properties of bone, and provide objective and quantitative torquing recommendations.
Jack Wilkie 0001 +3 more
openaire +2 more sources

