Digital design of patient-specific abutments for the retention of implant-retained facial prostheses

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Abstract

The present report describes the digital design of patient-specific milled abutments for the retention of osseointegrated facial prostheses by using digital technology. Patient imaging including surface scans of the patient's head, scans of the patient's definitive cast, and digitally designed prosthesis prototypes were combined to create a digital simulation of the patient. Using this simulation, patient-specific abutments were digitally designed, printed in 3-dimensions (3D), and finally copy-milled in titanium. This process provided the patient with an optimal abutment design for prosthetic retention, hygiene control, and skin emergence profile.

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