A set of dental impression components that may be used for either pick-up type (open tray) or transfer type (closed tray) impression molding techniques. The components are used with an impression material to fabricate a model at a site in a jawbone where an implant has been osseointegrated. The impression...http://www.google.es/patents/US6290499?utm_source=gb-gplus-sharePatente US6290499 - Transfer-type impression coping
