Journal of Prosthodontics News   March 3, 2020

A Digital Technique to Replicate Edentulous Arches


Now online in the Journal of Prosthodontics, Drs. Hang-Nga Mai and Du-Hyeong Lee describe a digital workflow to replicate complete edentulous arches with full functional contour, and position them in the centric relation using an intraoral scanner, the existing denture, and a three-dimensional image reversal technique.

The authors explain that digitization of a patient’s existing denture is especially beneficial in the fabrication of a new denture using CAD/CAM technology. Although previous studies have reported on similar digital techniques for digital denture fabrication, the accurate digital replication of an edentulous arch in its functional form with a correct jaw relation remains challenging.

This new technique provides dental technicians with practical guidance for aligning virtual prosthetic teeth with individualized constraints using an existing denture.

Mai H-N, Lee D-H: A Digital Technique to Replicate Edentulous Arches with Functional Borders and Accurate Maxillomandibular Relationship for Digital Complete Dentures. J Prosthodont. doi:10.1111/jopr.13154


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