Histological and radiological evaluation of subcutaneous implants in mouse of a 3D-printable material (Fulcure 720) and experimental application in mandibular reconstruction - 23/03/18
, L. García-Consuegra a, A. Novoa a, S. Costilla b, S. Junquera c, G. Ascani dBienvenue sur EM-consulte, la référence des professionnels de santé.
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Abstract |
Introduction |
The aim of this study was to evaluate the bioactivity of Fullcure compared to porous polyethylene implants (Medpor) in rats prior to custom-made scaffold support manufacturing for mandible segmental defects (MSD) reconstruction in sheep.
Methods |
Twelve Fullcure and Medpor laminaes were implanted in the left and right dorsum respectively of six wistar rats. Toxicity was assessed by skin, kidney and liver histopathology three months post-implantation. Computed Tomography (CT) was carried out in order to assess radiological differences between implants. Fullcure containers were subsequently manufactured by CAD/CAM to hold scaffold cylinders for MSD reconstruction in sheep.
Results |
No statistical differences were observed in tissue response between implants. Fullcure radiodensity was higher than Medpor (P<0.05). Fullcure manufactured support was successfully used for mandible repair in sheep. Nevertheless, the manufactured container did not accomplish the goal of guiding new bone formation according to the mandible shape.
Conclusions |
Fullcure showed similar biocompatibility and stronger radiodensity than Medpor. Despite its cheaper price and endless 3D-printing possibilities as scaffold holder for mandible reconstruction, further animal studies are needed to ensure Fullcure biocompatibility as implantable biomaterial.
Le texte complet de cet article est disponible en PDF.Keywords : FullCure, Biocompatibility, Implant biomaterial, 3D-printing, Mandibular reconstruction
Plan
Vol 119 - N° 2
P. 88-92 - avril 2018 Retour au numéro
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