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Fractures: Bone Repair

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the...

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Digital workflow for treating comminuted anterior mandibular fracture - A technical note.

R Alagarsamy¹, B Lal¹, S Sagar²

¹Department of Oral & Maxillofacial Surgery, All India Institute of Medical Sciences, New Delhi, India.

Journal of Stomatology, Oral and Maxillofacial Surgery

|September 6, 2020

Summary

This study introduces virtual surgical planning and 3D printing to precisely fix complex comminuted mandibular fractures. This innovative approach aids surgeons in achieving accurate anatomical reduction for challenging cases.

Keywords:

3D model 3D printing Comminuted mandibular fracture Pre-contoured plate Virtual surgical planning

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Area of Science:

Oral and Maxillofacial Surgery
Biomedical Engineering
3D Imaging and Printing

Background:

Comminuted mandibular fractures present significant surgical challenges, especially in the anterior region due to extensive comminution and lack of anatomical landmarks.
Accurate reduction and reconstruction are crucial for restoring function and aesthetics following severe facial trauma.

Purpose of the Study:

To describe a novel technique using virtual surgical planning (VSP) and 3D printing for precise anatomical reduction of comminuted mandibular fractures.
To evaluate the efficacy of a 3D-printed reference model for precontouring reconstruction plates in complex mandibular fracture cases.

Main Methods:

Virtual surgical planning was performed using computed tomography (CT) data from a donor patient of similar age and sex to create a virtual reference model.
The virtual model was 3D printed to serve as a physical guide for precontouring the reconstruction plate.
The precontoured plate was then used in the surgical repair of the comminuted mandibular fracture.

Main Results:

The combined VSP and 3D printing approach facilitated precise anatomical reduction of the comminuted mandibular fracture.
Precontouring the reconstruction plate using the 3D-printed model led to a satisfactory surgical outcome.
This method effectively addressed the complexity associated with extensive comminution and the absence of intraoperative reference points.

Conclusions:

Virtual surgical planning combined with 3D printing offers a valuable solution for managing complex comminuted mandibular fractures.
This technique enhances surgical accuracy and improves outcomes in challenging anterior mandibular reconstructions.
The use of patient-specific 3D-printed models represents a significant advancement in reconstructive surgery for mandibular defects.