<unk> , including vertebroplasty and kyphoplasty, refers to similar percutaneous spinal procedures in which bone cement is injected through a small hole in the skin into a fractured<unk> in order to relieve back pain caused by a<unk>  compression fracture. After decades of medical research into the efficacy and safety of<unk> , there is still a lack of consensus regarding certain aspects of vertebroplasty and kyphoplasty.
Vertebral augmentation
Overpressure
Lateral release 
Hairline lowering
Jaw reduction
Balanced ligamentous tension
Spinal adjustment
Spinal fusion