Abstract
ABSTRACT Bone tissue engineering (BTE) is used to regenerate or replace damaged or injured tissues by using artificial supporting structures called scaffolds. Scaffolds are porous structures made from biodegradable and biocompatible materials. A porous structure is required for the appropriate diffusion of nutrients and cell growth. However, the porosity cannot be decreased beyond a certain limit as mechanical strength is inversely related to porosity. Thus, research based on scaffolds are increasing nowadays to find out the most optimal porous structure for scaffolds with appropriate mechanical strength. Therefore, in the current study, the compression behaviour has been studied for different porous scaffolds structures fabricated using fused filament fabrication (FFF). Polylactic acid (PLA) material has been used to create scaffolds as it is non-toxic and biodegradable in nature. The obtained results have shown that porosity ranges between 38% and 79% and compressive strength range between 27 and 170 MPa for fabricated scaffold structures.
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