Frontal Bone Cranioplasty Using Customized Implants Through A 3d Prototype: Case Report Cranioplastia Do Osso Frontal Com A Utilização De Implantes Customizados Através De Protótipo 3d: Relato De Caso

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Published: Jun 1, 2023
DOI: https://doi.org/10.29327/25149.50.1-2
Keywords:
PMMA, Bone transplantation, Maxillofacial Prosthesis, Cranioplasty, Customized implants

Main Article Content

Erick Estrela Maia
Carlos Chagas Health Science Institute, Rio de Janeiro, RJ, Brazil
Bruno Turéli
Adão Pereira Nunes Hospital, Rio de Janeiro, RJ, Brazil
Guilherme Pivatto Louzada
Surgery Clinic, Navy Central Odontoclinic, Brazilian Navy, Rio de Janeiro, Brazil

Abstract

Cranioplasty for the treatment of cranial bone defects has as its main objective the three-dimensional and functional reconstruction of the skull. Computer-assisted surgeries (CAS) have been used since the 1990s efficiently and bring improvements and optimization in reconstructive craniofacial surgical approaches, especially in large bone defects. This clinical case report addresses virtual planning and CAD/CAM technology in secondary craniofacial reconstruction using polymethylmethacrylate (PMMA). A 48-year-old male patient had two bone defects in the frontal region with skin dehiscence into the frontal sinus. A computed tomography was performed with 1mm slices and converted into a 3D model of the frontal bone and in the mold of the bone defect in real size. To address the bone defects, a neurosurgeon was involved in the treatment of dura mater, cranialization of the frontal sinus, and obliteration of the nasofrontal duct, and was completed by the oral and maxillofacial surgery team. After the surgery, a tomographic exam was performed, and a perfect adaptation between the prosthesis and the bone contours and a great anatomical contour of the frontal bone were observed, making it satisfactory to the initial surgical planning. The use of virtual planning and the CAD/CAM system resulted in greater predictability and greater safety for the craniofacial reconstruction procedure, as well as a reduction in the perioperative time. The material used, PMMA, presented itself as a material of easy manipulation, low cost, and with perfect adaptation to bone contours.

Article Details

How to Cite
Estrela Maia, E., Turéli, B., & Pivatto Louzada, G. (2023). Frontal Bone Cranioplasty Using Customized Implants Through A 3d Prototype: Case Report. Naval Dental Jounal, 50(1), 9-14. https://doi.org/10.29327/25149.50.1-2
Issue
Vol 50 No 1 (2023): Naval Dental Journal
Section
Case Reports
Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Author Biographies

Erick Estrela Maia, Carlos Chagas Health Science Institute, Rio de Janeiro, RJ, Brazil

Cirurgião-Dentista, Especializando em Cirurgia e Traumatologia Bucomaxilofacial do Instituto de Ciência de Saúde Carlos Chagas, Rio de Janeiro, RJ, Brasil.

Bruno Turéli, Adão Pereira Nunes Hospital, Rio de Janeiro, RJ, Brazil

Oral and Maxillofacial Surgeon, Staff of Oral and Maxillofacial Surgery and Traumatology Department, Adão Pereira Nunes Hospital, Rio de Janeiro, RJ, Brazil

Guilherme Pivatto Louzada, Surgery Clinic, Navy Central Odontoclinic, Brazilian Navy, Rio de Janeiro, Brazil

MSc in Oral and Maxillofacial Surgery and Traumatology, Dental Surgeon, Coordinator of post-graduation in Oral and Maxillofacial Surgery and Traumatology, Carlos Chagas Health Science Institute, Rio de Janeiro, RJ, Brazil.

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