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Biomechanical properties of resorbable poly-L-lactide plates and screws: a comparison with traditional systems
J M Wittenberg1, R H Wittenberg, J A Hipp
1Department of Oral and Maxillofacial Surgery, Sinai Hospital, Detroit, MI 48235-2899.
Abstract:
Poly-L-lactide (PLA) plates and screws were tested in vitro in porcine ribs for uniaxial pullout and four-point bending strength. Results were compared to conventional systems (stainless steel and titanium). The biomechanical testing suggests that PLA screws have properties suitable for fixation of sagittal split osteotomies. Poly-L-lactide plates have indications in areas of low stress and noncompressive load.