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Updated: Feb 9, 2026

Less-Invasive Technique for Non-stabilized Mandibular Fracture in Mouse Models
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On-Site 3-Dimensional Printing and Preoperative Adaptation Decrease Operative Time for Mandibular Fracture Repair.

Brett J King1, Earl Peter Park2, Brian J Christensen3

  • 1Assistant Professor, Department of Oral & Maxillofacial Surgery, Louisiana State University Health Sciences Center, New Orleans, LA.

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
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Summary

Three-dimensional (3D) printing significantly reduces operating room time and costs for mandibular fracture repair. Using on-site 3D printed models for preadapting fixation plates offers substantial efficiency gains in maxillofacial surgery.

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Biomedical Engineering
  • Medical Technology

Background:

  • Mandibular fractures often require complex surgical fixation.
  • Traditional methods involve intraoperative plate adaptation, which can be time-consuming and costly.
  • Three-dimensional (3D) printing offers potential for prefabrication and improved surgical planning.

Purpose of the Study:

  • To compare intraoperative time and operating room costs for mandibular fracture repair.
  • To evaluate the efficacy of preadapted plates using on-site 3D printed models versus traditional fixation methods.

Main Methods:

  • Prospective comparative cohort study involving 38 patients with mandibular fractures.
  • Control group: traditional open reduction and internal fixation.
  • Experimental group: fixation plates preadapted to on-site 3D printed mandibular models.

Main Results:

  • Intraoperative plate adaptation time reduced from 22.8 minutes (control) to 6.9 minutes (3D printed group) (P < .0001).
  • Operating room costs decreased from $2,306.45 (control) to $698.00 per patient (3D printed group).
  • Only 21% of the 3D printed group required minor intraoperative corrective bends.

Conclusions:

  • On-site 3D printing for preadapting maxillofacial reconstruction plates significantly decreases operating room time and associated costs.
  • This technology offers a cost-effective solution for managing facial trauma, optimizing expensive operating room resources.
  • The minor start-up and usage costs of 3D printers are offset by substantial savings in surgical time and resources.