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Updated: Jun 18, 2026

3D Planning and Printing of Patient Specific Implants for Reconstruction of Bony Defects
Published on: August 4, 2020
A digital approach to creating a positioning tray for a multiple implant impression and its clinical application: A
1Graduate student, Shanghai Engineering Research Center of Tooth Restoration and Regeneration & Tongji Research Institute of Stomatology & Department of Prosthodontics, Stomatological Hospital and Dental School, Tongji University, Shanghai, PR China.
Abstract:
A workflow is described for fabricating a custom complete arch implant positioning tray for the impression of multiple implants. In this technique, a complete arch virtual cast with abutments is obtained by intraoral scanning. Details for the tray including extension range, thickness, and impression post perforation sites can be designed from this cast. This positioning tray not only eliminates the conventional complicated manufacturing procedures but can also accurately obtain the positional relationship between implants and the morphology of the alveolar mucosa, saving clinical time.

