The present invention provides a healing abutment for attachment to a dental implant with marking locations thereon. The marking locations either lack or have markers that provide a binary code system for retrieving unique information about the healing abutment and the underlying implant....http://www.google.com/patents/US6790040?utm_source=gb-gplus-sharePatent US6790040 - Healing components for use in taking impressions and methods for making the same
