Abstract
The digital manufacture of complete dentures would greatly simplify the workflow; however, the metal-reinforced complete dentures production method has not been well established. This article describes a technique of fabricating metal-reinforced complete dentures in a milling machine using the geometry guide, a negative impression of the occlusal surface of the metal-reinforced complete denture designed using the computer-aided design software. The geometry guide supports and stabilizes the artificial teeth and metal framework in the correct position in the surrounding resin. Fabrication of metal-reinforced dental prosthesis using the digital technique is possible with this method.
Highlights
With the wide applications of digital technology in dentistry, research to establish a completely digital workflow for the fabrication of complete dentures has been underway since 1994 [1]
Mill the geometry guide from the gypsum poured on the metal holder attached to
Mill the geometry guide from the gypsum poured on the metal holder attached to the milling machine
Summary
With the wide applications of digital technology in dentistry, research to establish a completely digital workflow for the fabrication of complete dentures has been underway since 1994 [1]. Metal denture bases, fabricated using selective laser melting, milling, stereolithography apparatus, or digital light processing techniques, have been found to be feasible for clinical use [9,10]. Digital fabrication of metal-reinforced complete denture bases using the current technology is difficult. To overcome this limitation, considerable research has been conducted. A fully digital workflow for the fabrication of metal-reinforced complete dentures, preserving the basic structure, has not been developed. In this technical article, we report a novel method to add a metal framework structure to the complete denture milling procedure.
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