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Revista Española de Cirugía Oral y Maxilofacial
versão On-line ISSN 2173-9161versão impressa ISSN 1130-0558
Resumo
ESTEBAN, Cynthia Lana; DE LAS FUENTES-MONREAL, Miren; MUNOZ-GUERRA, Mario Fernando e ESCORIAL-HERNANDEZ, Verónica. Virtual surgical planning for temporomandibular joint reconstruction with Walter-Lorenz stock prostheses. Rev Esp Cirug Oral y Maxilofac [online]. 2022, vol.44, n.2, pp.70-74. Epub 17-Out-2022. ISSN 2173-9161. https://dx.doi.org/10.20986/recom.2022.1329/2021.
Introduction:
We present the reconstruction of the temporomandibular joint (TMJ) with Walter-Lorenz prosthesis (Zimmer Biomet Inc., Biomet Microfixation, Jacksonville, FL) performing 3D virtual surgical planning and cutting guides with computer-aided-manufacturing technology (CAD / CAM).
Clinical case:
A 66-year-old female patient who had a history of multiple TMJ surgeries complained of functional worsening and pain in the left TMJ, with Walter-Lorenz prosthesis in the right TMJ. Intervention was performed to place another Walter-Lorenz prosthesis in the left TMJ with virtual 3D surgical planning of the osteotomies of the fossa and the ramus, and surgical guides fabricated with CAD/CAM technology. Surgery was carried out according to surgical planning. In the subsequent revisions, the mouth opening was stable and the pain was reduced.
Conclusion:
TMJ reconstruction with 3D virtual surgical planning of Walter-Lorenz stock prosthesis allows to increase the precision in its placement and simplify the surgical intervention.
Palavras-chave : Temporomandibular joint; TMJ prosthesis; 3D virtual surgical planning; CAD/CAM surgical guides.
