An implant for use in correcting scoliosis and fusing a spine includes a top plate a bottom plate and a height adjustment mechanism configured to permit independent adjustment of a rear height between top plate and bottom plate, and a front height between top plate and bottom plate. The front and bottom plate of the implant form a wedge of adjustable angle and height. A method of fusing a patients spine using the implant includes approaching the spine laterally removing at least one intervertebral disk inserting the implant and adjusting the implant to form a wedge of a desired angle and height. In embodiments, the adjustment mechanism includes slideable wedges in other embodiments the adjustment mechanism includes threaded gears engaging threaded studs to adjust a length that determines height of a portion of the implant.
