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Treatment of Facial Deformities using 3D Planning and Printing of Patient-Specific Implants

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Mandibular reconstruction using stereolithographic 3-dimensional printing modeling technology.

Adir Cohen¹, Amir Laviv, Phillip Berman

¹Department of Oral and Maxillofacial Surgery, Hebrew University-Hadassah School of Dental Medicine, Jerusalem, Israel. adirc@hadassah.org.il

Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics

|September 1, 2009

Summary

Three-dimensional printing (3DP) offers precise, rapid, and cost-effective mandibular reconstruction. This technology aids surgeons in accurately contouring plates and planning bone grafts, improving surgical outcomes.

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Area of Science:

Oral and Maxillofacial Surgery
Biomedical Engineering
Regenerative Medicine

Background:

Mandibular reconstruction presents challenges in restoring complex geometry.
Current methods involve titanium plates and autogenous bone grafts, requiring significant intraoperative time for plate contouring.
Accurate reconstruction is crucial for esthetics, function, and future dental implant rehabilitation.

Observation:

Rapid prototyping technologies, specifically 3D printing (3DP), create physical models from computer-aided designs.
3DP offers advantages over stereolithography, including enhanced accuracy, faster printing, and lower costs.
3DP models were utilized for pre-operative planning and plate preparation in three cases of mandibular ameloblastoma resection.

Findings:

Pre-operative 3DP models facilitated precise contouring of bridging plates for mandibular reconstruction.
In one case, a 3DP model served as a template for harvesting iliac crest bone grafts.
The application of 3DP technology resulted in a precise, fast, and cost-effective reconstruction process.

Implications:

3DP significantly reduces operating time, leading to decreased anesthesia exposure, blood loss, and wound exposure.
This technology simplifies complex surgical procedures, enhancing patient safety and recovery.
3DP holds promise for improving reconstructive surgery outcomes in complex cases, including ameloblastoma treatment.