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  • Prosthodontic rehabilitation of patients with a unilateral subtotal maxillectomy using a customised subperiosteal zygomatic implant: a post-COVID-19 mucormycosis

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Dentistry and oral medicine
Prosthodontic rehabilitation of patients with a unilateral subtotal maxillectomy using a customised subperiosteal zygomatic implant: a post-COVID-19 mucormycosis
  1. Ravi Marballi Basavaraju1,
  2. Sujeeth Shetty2,
  3. Prakash Pugazhendhi1 and
  4. Anupama Aradya1
  1. 1Prosthodontics and Crown & Bridge, JSS Dental college and Hospital, JSS Academy of Higher Education and Research, Mysore, Karnataka, India
  2. 2Oral and Maxillofacial Surgery, JSS Dental College and Hospital, Mysore, Karnataka, India
  1. Correspondence to Dr Anupama Aradya; dranupamavenu{at}gmail.com

Abstract

Restoring the maxillary resection defect involving the alveolar process, the hard and soft palate and the paranasal sinuses in terms of phonetics, mastication and deglutition is more challenging, especially with young patients with aesthetic concerns.

This case report describes the prosthodontic rehabilitation of a young patient with a unilateral subtotal maxillectomy due to post-COVID-19 mucormycosis. A patient-specific subperiosteal implant was planned to rehabilitate the patient’s bony defect. Using postsurgical CT, a customised subperiosteal titanium framework was fabricated by the direct metal laser sintering method using grade IV titanium alloy. The fabricated framework was implanted over the patient’s zygomatic anatomic contour. Three months later, the patient-specific implant was unveiled to the oral cavity, an open-tray impression was made and the fixed implant prosthesis was fabricated.

This case report opens a new realm of rehabilitation for severely compromised maxillary bony defects and impaired oral functioning with no other viable conventional reconstruction options.

  • dentistry and oral medicine
  • SARS-CoV-2
  • oral and maxillofacial surgery
  • healthcare improvement and patient safety
  • infectious diseases

https://doi.org/10.1136/bcr-2023-258338

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    Footnotes

    • Contributors Drafting of the text, sourcing and editing of clinical images, investigation results, drawing original diagrams and algorithms and critical revision for important intellectual content: RMB, SS, PP, AA. Final approval of the manuscript: RMB, SS, PP, AA.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; externally peer reviewed.

    • Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.