The Biocompatibility of Degradable Magnesium Interference Screws: An Experimental Study with Sheep

Figure 3

Macroscopic evaluation, 1 year (y) after operation. Magnesium implants generated (a) by milling and (b) modified with a coating were surrounded by corrosion product (star), gas voids, and soft tissue (arrow). (c) PLLA screws were used as control samples.

(a)

(b)

(c)