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Related Experiment Video

Updated: May 13, 2026

Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures

Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures

Published on: August 5, 2021

Three-dimensional virtual model surgery to fabricate the digital intermediate splint.

Yi Sun¹, Heinz-Theo Luebbers, Constantinus Politis

¹Department of Oral and Maxillofacial Surgery, St. John's Hospital, Schiepse Bos 6, 3600 Genk, Belgium.

The Journal of Craniofacial Surgery

|March 26, 2013

Summary

Virtual model surgery offers a precise alternative to manual splint fabrication for bimaxillary surgery. This computer-assisted technique improves accuracy and efficiency in dental model repositioning.

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Last Updated: May 13, 2026

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Area of Science:

Oral and Maxillofacial Surgery
Digital Dentistry
Biomedical Engineering

Background:

Traditional intermediate splint fabrication for bimaxillary surgery relies on manual model surgery.
Manual techniques present challenges including errors in model repositioning, time consumption, and extensive laboratory work.

Observation:

A novel computer-assisted method, virtual model surgery, is introduced.
This technique integrates 3-dimensional cone beam computed tomography (CBCT) with optical scans of plaster cast models.

Findings:

A registration block facilitates matching occlusal surface scans with CBCT data.
A paired-point-based registration algorithm accurately repositions the upper jaw model.
The protocol demonstrates high precision and efficiency in virtual model surgery.

Implications:

Virtual model surgery enhances accuracy and reduces errors in splint fabrication for bimaxillary procedures.
This digital approach streamlines laboratory workflows, saving time and resources.
The presented technique offers a viable and advanced alternative for complex surgical planning.