The contoured distal portion can be shaped and configured to maintain contact with a posterior maxilla and elevate a periosteum off of {HEAD ~ the posterior maxilla} to avoid {TAIL ~ soft tissue dissection} 
The contoured distal portion can be shaped and configured to maintain contact with a posterior maxilla and elevate a periosteum off of { HEAD ~ the posterior maxilla } to avoid { TAIL ~ soft tissue dissection }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL