Digitally Designed and Milled Verification Jigs Generated from Photogrammetry Data Acquisition: A Clinical Report

Abstract

The objective of the present report is to illustrate a proof‐of‐concept protocol for CAD/CAM fabrication of milled verification jigs during full‐arch implant rehabilitation using photogrammetry for data acquisition. The present report aims to bridge the gap between analog and digital workflows by introducing a CAD/CAM technique to intraorally verify digitally acquired information without the use of the technique‐sensitive and labor‐intensive conventional resin verification jig. One patient was treated with a digital prosthodontic protocol where a digitally designed CAD/CAM milled verification jig (generated from intraoral digital scans) was used to confirm implant 3D positioning prior to the fabrication of double full‐arch monolithic definitive zirconia prostheses. The procedures are presented step‐by‐step after clinical and radiographic observation.

Complete Digital Workflow for Prosthesis Prototype Fabrication with the Double Digital Scanning (DDS) Technique: A Prospective Study on 16 Edentulous Maxillae

“…This can be easily done with different approaches such as intraoral splinting of copings or abutments and then connecting analogs prior to pouring a jig cast or similarly back‐pouring the conversion prosthesis after connecting analogs 15–17 . A digital alternative to verification is using the STL data from a digital full‐arch scan to fabricate a digitally designed milled or printed verification jig through a complete digital workflow 18 …”

“…This cast can also be used to cement the titanium inserts on these prototypes. Another approach includes using the STL files from the intraoral scan to fabricate digitally designed and milled/printed verification jigs for a complete digital workflow 18 . Similar digital workflows can be used during the transition from the prototype to the definitive prosthesis.…”

“…[15][16][17] A digital alternative to verification is using the STL data from a digital full-arch scan to fabricate a digitally designed milled or printed verification jig through a complete digital workflow. 18 Advantages of the complete digital workflow include the fabrication of the digitally designed prosthesis prototypes directly from the DDS technique which simplifies the rehabilitation process and shortens the number of required appointments by skipping the maxillomandibular relationship appointment. 2 Using this digital workflow, there is no verified master cast to ensure the accuracy of fit of the milled PMMA prototypes, and the titanium inserts are cemented free-hand inside the prototypes.…”

“…Another approach includes using the STL files from the intraoral scan to fabricate digitally designed and milled/printed verification jigs for a complete digital workflow. 18 Similar digital workflows can be used during the transition from the prototype to the definitive prosthesis. The accuracy of fit of the generated prosthesis prototype and a definitive prosthesis is crucial for long-term success as it has been shown that complications with IFCDPs are frequent and time-dependent even when all prosthodontic procedures are done per strict protocol.…”

Accuracy of the Different Materials Used to Fabricate a Verification Jig of Implant-Supported Fixed Complete Dental Prostheses: An In Vitro Study

“…With advancements in digital technology, computer-aided design/computer-aided manufacturing (CAD/CAM)-milled verification jigs were proposed as an efficient way to confirm the accuracy of the implant's position [32]. It would be interesting to include them in a future study to compare the accuracy of digitally manufactured verification jigs with those fabricated from commonly used materials.…”