tissue  like  skin ,  muscle  or tendon  to keep  inflammatory  surfaces apart or  excisional arthroplasty  in which the joint surface and bone was removed leaving  scar  tissue to fill in the gap. Other forms of arthroplasty include  resection(al) arthroplasty ,  resurfacing arthroplasty ,  mold arthroplasty ,  cup arthroplasty ,  silicone replacement