TY  - JOUR
TI  - Effect of cartilage thickness mismatch in osteochondral grafting from knee to talus on articular contact pressures: A finite element analysis
AB  - Objectives: The aim of this study was to investigate the effectof cartilage thickness mismatch on tibiotalar articular contactpressure in osteochondral grafting from femoral condyles tomedial talar dome using a finite element analysis (FEA).Materials and methods: Flush-implanted osteochondral graftingwas performed on the talar centromedial aspect of the dome usingosteochondral plugs with two different cartilage thicknesses. Oneof the plugs had an equal cartilage thickness with the recipienttalar cartilage and the second plug had a thicker cartilagerepresenting a plug harvested from the knee. The ankle joint wasloaded during a single-leg stance phase of gait. Tibiotalar contactpressure, frictional stress, equivalent stress (von Mises values),and deformation were analyzed.Results: In both osteochondral grafting simulations, tibiotalarcontact pressure, frictional stress, equivalent stress (von Misesvalues) on both tibial and talar cartilage surfaces were restored tonear-normal values.Conclusion: Cartilage thickness mismatch does not significantlychange the tibiotalar contact biomechanics, when the graft isinserted flush with the talar cartilage surface.
AU  - Kılıçaslan, Ömer faruk
AU  - Kose, Ozkan
AU  - Celik, H. Kursat
AU  - Levent, Ali
AU  - Tokgöz, Mehmet Ali
AU  - Rennie, Allan
DO  - 10.52312/jdrs.2021.41
PY  - 2021
JO  - Joint diseases and related surgery
VL  - 32
IS  - 2
SN  - 2687-4784
SP  - 355
EP  - 362
DB  - TRDizin
UR  - http://search/yayin/detay/451178
ER  -