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Updated: Feb 14, 2026

Measuring the Complete-arch Distortion of an Optical Dental Impression
Published on: May 30, 2019
Digital conversion of interim to definitive complete arch implant-supported fixed prostheses using intermediate
Faris Khalifa1, Walaa Magdy Ahmed2, Amr Ahmed Azhari3
1Researcher, Department of Implant Dentistry, King Abdulaziz University Dental Hospital, Jeddah, Saudi Arabia.
Abstract:
The accurate alignment of digital scan data is a critical step in providing a complete arch implant-supported prosthesis, mainly because of the lack of stable and repeatable reference points in edentulous arches. This limitation poses a significant challenge when attempting to align multiple surface geometry datasets precisely. This clinical report describes a practical and efficient procedure that enhanced the accuracy of digital dataset alignment and facilitated a fully digital workflow for the design, fabrication, and conversion of interim prostheses into definitive complete arch implant-supported prostheses.
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