Preparation coping for creating an accurate permanent post to support a final prosthesis and method for creating the same

Preparation coping for creating an accurate permanent post to support a final prosthesis and method for creating the same
European Patent Office
Patent number: US2004209227
Publication date: 2004-10-21
Inventor: PORTER STEPHAN S [US]; POWELL THEODORE M [US]; SULLIVAN DANIEL Y [US]
Applicant:
Classification:
- international: A61C8/00
- european: A61C8/00B; A61C8/00G1; A61C8/00H
Application number: US20040837803 20040503
Priority number(s): US20000176577P 20000118; US20010761920 20010117; US20040837803 20040503
Abstract
An implant comprising an internal bore having an opening at one end of the implant is initially fixed within a patient's mouth. A support post on which a final artificial prosthesis will be mounted is attached to the implant by allowing a portion of the post to extend into and attach within the bore of the implant. The post generally extends supragingivally from a base at or beneath the gum surface and contains a retention bulb to assist in registering the axial orientation of an impression cap and the final prosthesis. The impression cap is then placed over the post to assist in taking an impression of the relevant dental region. The impression cap contains means to allow the retention bulb to snap onto the impression cap. After the impression material is placed to surround the impression cap, post and implant, the impression material and impression cap are removed. A healing cap is placed on the post and acts as a temporary tooth able to last within the patient's mouth for several months.