between the original bone and the new bone acts as a very slight point of weakness, so actually now the surgeon can come along, can harvest away that new bone, and the periosteum can grow back, so you're left with the leg in the same sort of state as if you hadn't operated on it in the first place.
本来の骨と新生骨との 境界部分は ほんの少しだけですが弱い所で ここが外科医の出番です 新生骨を採取し 骨膜が再生します 初めっから手術など しなかったような状態の 足が戻ってきます