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Types of Reports I: Hand-off Report01:25

Types of Reports I: Hand-off Report

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Purpose and Process:
Equivalent Couples01:28

Equivalent Couples

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Related Experiment Video

Updated: May 9, 2026

Designing CAD/CAM Surgical Guides for Maxillary Reconstruction Using an In-house Approach
08:01

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Using computer-aided design/computer-aided manufacturing technology for foreign body removal from soft tissues: a

Teruhide Hoshino1,2, Shuji Yoshida3, Chihiro Kurihara4

  • 1Department of Dentistry and Oral Surgery, National Hospital Organization Tokyo Medical Center, Tokyo, Japan. htoesrhui@gmail.com.

Maxillofacial Plastic and Reconstructive Surgery
|September 30, 2025
PubMed
Summary

Computer-aided design and manufacturing (CAD/CAM) technology precisely located and removed a deep soft tissue foreign body. This innovative approach facilitated accurate localization and rapid extraction, demonstrating CAD/CAM

Keywords:
3D-printed guideBuccal soft-tissue foreign bodyComputer-assisted surgery

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Medical Technology
  • Surgical Innovation

Background:

  • Deep-seated foreign body removal presents significant surgical challenges.
  • Computer-assisted surgery (CAS) is increasingly utilized for foreign body removal.
  • Computer-aided design/computer-aided manufacturing (CAD/CAM) is established for hard tissue but less reported for soft tissue procedures.

Purpose of the Study:

  • To report a novel application of CAD/CAM technology for foreign body removal from soft tissue.
  • To demonstrate the efficacy of CAD/CAM in precise localization and extraction of deep-seated fragments.

Main Methods:

  • A patient with a retained metal fragment in the buccal soft tissue underwent CT imaging.
  • Preoperative CT data was processed using Mimics® software for fragment localization.
  • A custom surgical guide was designed with Magics® software and 3D printed.
  • The surgical guide facilitated precise identification of the foreign body's position.

Main Results:

  • CAD/CAM technology enabled accurate localization of the 1.5 × 1.3 × 2.5 mm metal fragment.
  • The surgical guide ensured precise vertical and horizontal positioning.
  • Foreign body removal was completed in 1 hour and 5 minutes with minimal bleeding.
  • The postoperative recovery was uneventful, with no infection or nerve damage.

Conclusions:

  • CAD/CAM technology offers a successful method for identifying and removing foreign bodies from soft tissue.
  • This case highlights the potential of CAD/CAM in overcoming challenges in soft tissue foreign body extraction.