After the hematoma was cleared, the bone at the base of the skull was roughened, along with roughening the surface of the bone of the posterior arch of the atlas. This facilitated the healing process with the implanted bone grafts.
Now it was Song Zimo and Xu Zhiliang's turn to handle the atlantal bone graft. They trimmed the bone graft and filled the titanium mesh structure of the artificial atlas with it and crushed bones.
