Now showing items 1-10 of 357
The effect of locked screw angulation on the biomechanical properties of the S.P.S. Free-Block plate
Objectives: Among the locked internal fixators is one denominated S.P.S. (Synthesis Pengo System) Free-Block, which was designed with a locking ring that allows the screw to be locked and positioned obliquely. Due to the ...
Bovine Bone Screws: Metrology and Effects of Chemical Processing and Ethylene Oxide Sterilization on Bone Surface and Mechanical Properties
(SAGE PUBLICATIONS LTD, 2009)
We assess the effects of chemical processing, ethylene oxide sterilization, and threading on bone surface and mechanical properties of bovine undecalcified bone screws. In addition, we evaluate the possibility of manufacturing ...
Reconstruction of Severely Resorbed Maxilla with Biodegradable Polylactide Screws: Case Series
(Quintessence Publishing Co IncHanover ParkEUA, 2010)
Mechanical Performance of Cylindrical and Dual-Core Pedicle Screws After Repeated Insertion
(LIPPINCOTT WILLIAMS & WILKINSPHILADELPHIA, 2012)
Study Design. Ex vivo study of the mechanical performance of cylindrical and dual-core pedicle screws after insertion, removal, and reinsertion in the same hole. Objective. To evaluate the effect of repeated use of same ...
The Effect of Repetitive Pilot-Hole Use on the Insertion Torque and Pullout Strength of Vertebral System Screws
(LIPPINCOTT WILLIAMS & WILKINS, 2009)
Study Design. In vitro biomechanical investigation of the screw-holding capacity. Objective. To evaluate the effect of repetitive screw-hole use on the insertional torque and retentive strength of vertebral system screws. ...
NEW COUPLING SYSTEM FOR INTERFERENCE SCREWS: BIOMECHANICAL RESISTANCE TO TORSION
(ATHA COMUNICACAO & EDITORA, 2011)
Objective: To introduce a new coupling system between screw driver and interference screw, and biomechanical tests that validate the safety of its application. Methods: The new system was submitted to biomechanical torsion ...
Fixation of autogenous bone grafts with ethyl-cyanoacrylate glue or titanium screws in the calvaria of rabbits
(Churchill Livingstone, 2009-02-01)
This study compared the fixation of autogenous onlay bone grafts with cyanoacrylate glue (Super Bonder) and with titanium screws. Twenty rabbits underwent bilateral parietal ostectomies. Bone segments were fixed anteriorly ...
Effect of the number of screws on the stability of locking mandibular reconstruction plates
Atrophic mandible fractures are frequently a challenge to stabilize. This study evaluated, through mechanical testing in vitro, the number of locking screws that is sufficient to withstand loading when applied with a locking ...
Biomechanical analysis of locking reconstruction plate using mono-or bicortical screws
This experimental in vitro study evaluated the influence of screw length on the mechanical properties of a locking reconstruction plate designed with locking rings inserted into plate holes. Synthetic bone cylinders with ...