Patent ID: 7331789

Claim:
A method of making a single unit endodontic post or endodontic obturator having filling material attached thereto wherein the post or obturator are used for insertion in a root canal comprising: applying a corona or plasma treatment to the surface of the endodontic post or endodontic obturator; applying resinous filling material to the surface of the endodontic post or endodontic obturator; and wherein the pull out force between the filling material and the endodontic post or endodontic obuturator is at least 56 percent or greater than the pull out force between the filling material and the endodontic post or endodontic obturator which uses no corona or plasma treatment and is at least 30 percent or greater than the pull out force between the filling material and the endodontic post or endodontic obrturator which uses silane treatment prior to application of the filling material to the endodontic post or endodontic obturator.