what did you have done to the joint? freibergs infarction presents with flattening of the metatarsal head and pain at the joint. for surgical repair, a joint implant can be performed or osteochondral drilling of the cartilage to promote pseudocartilage growth.
some physicians may even fuse the joint or remove the metatarsal head.
pain from surgery can occur form inflammation or nerve destruction (along with other factors)