Surgical ankylosis is a type of fusion surgery, which is a surgical procedure that involves permanently joining two pieces of bone together. It is also known as arthrodesis, and it is used to treat conditions such as joint stiffness, arthritis, and bone fractures. This procedure is usually performed when other less invasive treatments have failed to provide sufficient relief from pain or discomfort. During the procedure, the bones are held in place with metal screws and plates, and the joint is then filled with bone graft material to help promote fusion. After the surgery, the joint may be immobilized in a cast or splint to help promote healing and prevent further damage.