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Related Experiment Video

Updated: Oct 2, 2025

A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible

A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible

Published on: January 28, 2020

A Comprehensive Approach for Measuring Spatial Deviations of Computer-Assisted Mandibular Reconstruction.

Wei-Fa Yang¹, Peirong Yu¹, Wang-Yong Zhu¹

¹From the Division of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Hong Kong; and Department of Plastic Surgery, University of Texas, M. D. Anderson Cancer Center.

Plastic and Reconstructive Surgery

|February 23, 2022

Summary

A new method standardizes spatial deviation measurements in computer-assisted mandibular reconstruction. This approach aids in accurate postoperative verification and comparison across studies.

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Last Updated: Oct 2, 2025

A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible

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Published on: January 28, 2020

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Area of Science:

Biomedical Engineering
Surgical Technology
Anatomy

Background:

Computer-assisted surgery is standard for mandibular reconstruction.
Lack of standardized measurement hinders verification and comparison.
Need for a comprehensive approach to assess spatial deviations.

Purpose of the Study:

To establish a comprehensive approach for measuring spatial deviations in computer-assisted mandibular reconstruction.
To standardize postoperative verification and subject comparison.

Main Methods:

Systematic review of 80 studies on computer-assisted mandibular reconstruction measurements.
Extraction and categorization of 31 distinct measurements.
Development of a comprehensive panel of anatomical landmarks (parts, points, lines, planes, angles).

Main Results:

A comprehensive panel of anatomical landmarks was established.
Measurements covered overall mandible, condyle, gonial angle, bone grafts, midline, surgical plate, and osteotomy.
A calculation spreadsheet was developed for automated deviation computation.
A simplified panel of measurements was recommended.

Conclusions:

A comprehensive approach for measuring spatial deviations in computer-assisted mandibular reconstruction has been established.
This system is proposed as an effective and scientific tool for postoperative verification.
Further studies are needed to confirm its efficacy.