“…In some studies all subjects received simultaneous grafting at the time of implant placement, 38,40,43 while some cases required a tertiary graft in 50% or less. 37,39,44,46 is extra graft may be performed simultaneously 37,38,41,47 or prior to implant placement. e extra grafting procedure is required to increase the vertical alveolar height 40 and ultimately the nal aesthetic result.…”