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Deviation analysis in custom-made mandibular reconstruction: how to evaluate results.

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Summary

This case report evaluates virtual surgical planning-computer-aided design-computer-aided manufacturing (CAD/CAM) accuracy for mandibular ameloblastoma surgery. Results showed minor deviations, indicating satisfactory functional and aesthetic recovery.

Keywords:
Head and neck surgeryOral and maxillofacial surgery

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Biomedical Engineering
  • Medical Imaging

Background:

  • Virtual surgical planning using computer-aided design-computer-aided manufacturing (CAD/CAM) offers potential for complex reconstructive procedures.
  • Evaluating the accuracy and reproducibility of CAD/CAM technology in surgical applications is crucial for clinical adoption.

Observation:

  • A case report details the use of CAD/CAM for demolitive and reconstructive surgery in an 18-year-old male with mandibular ameloblastoma.
  • Preoperative CT scans and CT angiography were used for virtual planning, with postoperative CT scans used for deviation analysis.

Findings:

  • Postoperative DICOM data analysis revealed deviations between 0.5 mm and 2 mm in condylar and angular positions.
  • A standardized method for evaluating CAD/CAM accuracy in this context is still under development.

Implications:

  • Despite observed deviations, the patient achieved good functional and aesthetic recovery, suggesting the potential efficacy of CAD/CAM in complex oral surgeries.
  • Further research is needed to establish standardized protocols for assessing CAD/CAM accuracy in surgical planning and execution.