Community Research and Development Information Service - CORDIS

A pin for better dental prosthetics

Dental prostheses in the permanent replacement of teeth are largely dependent on the existence of anchoring teeth. In order to install a prosthetic tooth, the prosthetic would need to be anchored next to a natural tooth, otherwise extensive bone grafting may be required. New technology currently does away with this need, providing a product that can be rooted in the bone and prosthetic tooth directly.
A pin for better dental prosthetics
In the absence of permanent natural teeth, adding prostheses invariably involves the manufacture of a prosthetic plate or bone grafting. The first is uncomfortable and unsightly as a fixture and both take a lot of customisation, requiring extensive dental work that is very expensive.

Even when anchoring teeth are absent, extensive support is required in the form of a fixed prosthesis. These usually take the form of a fixed façade, bridges, inlays or crowns and may in any case require bone grafting. As such the procedure is long and may take several visits before it is properly concluded.

A new prosthetic pin having two frusto-conical segments introduces a practically autonomous implantation procedure that requires no anchoring teeth and that very little bone structure be present. The pin has an upwardly flared segment for the compact bone region and a downwardly flared segment for the cancellous bone region. This double-tapered structure assures perfect retention in the bone and is self-anchoring.

This implant prosthesis is a universal feature as it can be constructed in various sizes and dimensions and needs no support from an anchoring tooth. It can be fitted into any anatomical variation, even within the atrophic regions, requires limited bone drilling and the entire process can be concluded within a single sitting.

The manufacturers offer a prototype for demonstration and seek either a marketing or manufacturing agreement for their patented technology.
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