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Photograph of prepared implant samples. (a) titanium alloy (TiA): American Society for Testing and Materials (ASTM) B348 Gr5 (Ti–6Al–4V) titanium alloy, (b) magnesium alloy (MgA) AZ31 magnesium alloy, (c) Mg: pure magnesium, (d) poly-l-lactic acid (PLA): ISO 13,485 compliant medical poly-l-lactic acid. Each material was processed into a cylindrical shape with a diameter of 1.6 mm and a length of 4.0 mm.
