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Full-Digital Workflow for Fabricating a Custom-Made Direct Metal Laser Sintering (DMLS) Mandibular Implant: A Case Report

Author

Listed:
  • Francesco Grecchi

    (Department of Maxillofacial Surgery, IRCCS Istituto Ortopedico Galeazzi, Via Galeazzi 4, 20161 Milan, Italy)

  • Piero Antonio Zecca

    (Department of Medicine and Surgery, Dental School, University of Varese, Via Piatti 10, 21100 Varese, Italy)

  • Aldo Macchi

    (Department of Medicine and Surgery, Dental School, University of Varese, Via Piatti 10, 21100 Varese, Italy)

  • Alessandro Mangano

    (Private Practice, 22015 Gravedona ed Uniti, Italy)

  • Federica Riva

    (Department of Maxillofacial Surgery, IRCCS Istituto Ortopedico Galeazzi, Via Galeazzi 4, 20161 Milan, Italy)

  • Emma Grecchi

    (Department of Oral Surgery, IRCCS Fondazione Ca’ Granda, Ospedale Maggiore Policlinico, Via Sforza 35, 20122 Milan, Italy)

  • Carlo Mangano

    (Department of Dental Sciences, University Vita Salute San Raffaele, Via Olgettina 60, 20132 Milan, Italy)

Abstract

Direct Laser Metal Sintering (DLMS) is an additive manufacturing (AM) technique that is capable of manufacturing metal parts according to a three-dimensional (3D) design made using computer-assisted-design (CAD) software, thanks to a powerful laser beam that melts selectively micro-powder layers, one on top of the other, until the desired object is generated. With DMLS, it is now possible to fabricate custom-made titanium implants for oral and maxillofacial applications. We present the case of a 67-year-old woman diagnosed with a squamous cell carcinoma of the mandible. The patient underwent subtotal mandibular resection; conventional reconstruction procedures failed to rehabilitate the function of the mandible. A prosthesis replacing the resected mandible was designed and fabricated using a digital workflow. The extensive bone defect was rehabilitated with a prosthesis replacing the mandibular bone and supporting a morse-taper dental prosthesis. The masticatory function was reestablished.

Suggested Citation

  • Francesco Grecchi & Piero Antonio Zecca & Aldo Macchi & Alessandro Mangano & Federica Riva & Emma Grecchi & Carlo Mangano, 2020. "Full-Digital Workflow for Fabricating a Custom-Made Direct Metal Laser Sintering (DMLS) Mandibular Implant: A Case Report," IJERPH, MDPI, vol. 17(8), pages 1-13, April.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:8:p:2693-:d:345344
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