An implant for an individual tooth including a metal implant post having a fastening head for receiving the removable denture, the implant post being mounted in a metal spacing element which is threaded in a basic structure that is implantable in the tooth. To hold the spacing element in a fixed, non-twisting...http://www.google.ca/patents/US5026285?utm_source=gb-gplus-sharePatent US5026285 - Enossal individual tooth implant and locking tool for use with such an implant
