Effect of the screw type (S2-alar-iliac and iliac), screw length, and screw head angle on the risk of screw and adjacent bone failures after a spinopelvic fixation technique: a finite element analysis v1 (protocols.io.n2fdgbn)

protocols.io ◽  
2018 ◽  
Author(s):  
Jong Ki ◽  
Beop Yong ◽  
Tae Sik ◽  
Jung Sub ◽  
Jin Young ◽  
...  
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Fixation Technique ◽  
Screw Head ◽  
Element Analysis ◽  
Screw Length ◽  
Spinopelvic Fixation ◽  
Iliac Screw

In vitro and finite element analysis of a novel rotator cuff fixation technique

2008 ◽  
Vol 17 (6) ◽  
pp. 986-992 ◽  
Author(s):  
Tadanao Funakoshi ◽  
Naoki Suenaga ◽  
Hirotaka Sano ◽  
Naomi Oizumi ◽  
Akio Minami
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Rotator Cuff ◽  
Fixation Technique ◽  
Element Analysis

scholarly journals Finite Element Analysis of Screw-Tightening Torque Applied to Custom and Conventional Abutment

2017 ◽  
Vol 9 (9) ◽  
pp. 165 ◽  
Author(s):  
Sang Hyun Lee ◽  
Min Ho Hong ◽  
Kyu Bok Lee
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Stress Distribution ◽  
Screw Head ◽  
Element Analysis ◽  
3D Finite Element ◽  
Tightening Torque ◽  
Realistic Description ◽  
The Difference ◽  
Conventional Type

The aim of this study was to design an abutment with an esthetic emergence profile contour using CAD technology and compare the stress distribution within the structure between the custom abutment and conventional abutment according to the screw tightening torque using 3D finite element analysis (FEA). The maximum tensile principal stress was found in the endpoint of the screw head and the start point of the screw line with regard to the application of the tightening torque of the screw. A similar pattern was observed in all of the following screws: 10N·cm, 20N·cm, and 30N·cm. The tightening torque of the screw had a significant impact on the changes in the stress of the abutment and screw fixture. This study also found that the condition in which the screw load was applied showed a more realistic description of the behavior of a single fixed dental implant than the condition in which the screw load was not applied. This study examined the optimal tightening torque value of the screw for the denture used in this study at a location slightly higher than 20N·cm. The difference in the custom abutment and conventional abutment did not have a significant impact on the supporting bone with regard to the external load. In regard to the stress occurring in the screw, the custom abutment had a lower degree of stress than the conventional type. Therefore, a screw fracture would occur less frequently in a custom abutment than a conventional abutment.

Finite element analysis and physiologic testing of a novel, inset glenoid fixation technique

2012 ◽  
Vol 21 (6) ◽  
pp. 795-803 ◽  
Author(s):  
Stephen B. Gunther ◽  
Tennyson L. Lynch ◽  
Desmond O’Farrell ◽  
Christian Calyore ◽  
Andrew Rodenhouse
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Fixation Technique ◽  
Element Analysis

419 In Vitro and Finite Element Analysis of A Novel Rotator Cuff Fixation Technique

2009 ◽  
Vol 2008.21 (0) ◽  
pp. 175-176
Author(s):  
Tadanao FUNAKOSHI ◽  
Naoki SUENAGA ◽  
Hirotaka SANO ◽  
Naomi OIZUMI ◽  
Norimasa IWASAKI ◽  
...  
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Rotator Cuff ◽  
Fixation Technique ◽  
Element Analysis
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