Biomechanical competence of six different bone screws for reconstructive surgery in three different transplants: fibular, iliac crest, scapular and artificial bone

The goal of this study was to determine a combination of screw and transplantation type that offers optimal primary stability for reconstructive surgery.Fibular, iliac crest, and scapular transplants were tested along with artificial bone substrate. Six different kinds of bone screws (Medartis©) were compared, each type utilized with one of six specimens from human transplants (n=6). Controlled screw-in-tests were performed and the required torque was protocolled. Subsequently, pull-out-tests were executed to determine the retention forces.

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