Osteoplasty is the branch of surgery concerned with bone repair or bone grafting. [1] It is the surgical alteration or reshaping of bone. [2] It may be used to relieve pain associated with metastatic bone disease. [3][ unreliable medical source?] Percutaneous osteoplasty involves the use of bone cement to reduce pain and improve mobility. [4] Resection osteoplasty is used in joint preserving surgery on the hip and thigh bones. [5]