In both cases, the main portion of the procedure consists of entering the body in a minimally invasive fashion, and then removing bone spurs and disc bulge that are compressing the nerves of the spinal cord. This is accomplished with precision utilizing an operative microscope and the best tools available to promote safety.
At laser institutes, a 2nd procedure is then performed wherein the mobile joints of the spine are burned with high energy, high heat lasers. In theory, this can reduce back pain arthritis. In reality, this probably has no impact on your outcome. At worst, you could experience thermal injuries to the spine, worsened arthritis, and injury to nerves.