Dataset Information

Complex Frontal Bone Reconstruction Using Computer-designed Polyetheretherketone Implant: Case Report and Literature Review.

ABSTRACT: Calvarial reconstruction of complex frontal bone defects after head trauma surgery is challenging, especially when it coexists with an absence of eyebrow arch and supraorbital wall. Due to various reasons, the patient's bone flap could not be used. Common alternative materials include polyetheretherketone (PEEK) and titanium. Careful and detailed planning is required to maximize functional and aesthetic reconstruction, thereby benefiting the patient. We present a case of a 36-year-old man who had multiple frontal bone defects after multiple operations for craniofacial fractures performed with reconstruction surgery using a PEEK implant successfully. With a follow-up for 2 years, the patient was satisfied with the long-term aesthetic effect without any consequences such as surrounding tissue infection or implant displacement. The authors believe that the PEEK implant has great potential for calvarial reconstruction due to its incredible strength, durability, and inertness.

SUBMITTER: Liu Y

PROVIDER: S-EPMC11326458 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature

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Complex Frontal Bone Reconstruction Using Computer-designed Polyetheretherketone Implant: Case Report and Literature Review.

Liu Yueqi Y Xie Shao S Ding Jiahai J Zhang Yushun Y Deng Liyi L Yao Yuancheng Y Xiong Yang Y Chen Yuliang Y Wang Lei L Liu Yong Y

Plastic and reconstructive surgery. Global open 20240815 8

Calvarial reconstruction of complex frontal bone defects after head trauma surgery is challenging, especially when it coexists with an absence of eyebrow arch and supraorbital wall. Due to various reasons, the patient's bone flap could not be used. Common alternative materials include polyetheretherketone (PEEK) and titanium. Careful and detailed planning is required to maximize functional and aesthetic reconstruction, thereby benefiting the patient. We present a case of a 36-year-old man who ha ...[more]

PMID: 39148507

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Project description:This report describes the surgical reconstruction of large maxillofacial defect caused by a short-range gunshot injury in a dog using titanium patient-specific implant (PSI). A 3-year-old male Wolf Shepherd was admitted for a large right facial defect with right nasal cavity exposure caused by a gunshot injury. Radiographic examination revealed severe loss of the right maxillary, nasal, and incisive bones, multiple fractures of both left and right palatine bones, and a comminuted fracture of the right mandible. Initial surgical procedure included computed tomography (CT) imaging for three-dimensional (3D) implant design. Open wound management was maintained for 18 days until the fresh granulation tissue fully covered the wound bed. The implant was designed in a “hand grasping shape” to cover the defect, align multiple fractured palatine bones, and make a snap fit function. Multiple holes, including cortical screw holes, were added to the final design. The implant was printed on a titanium alloy. Surgical application of titanium PSI was performed 19 days after the primary surgery. A free sublingual mucosal graft was used to reconstruct the mucosal layer of the right nasal cavity. The mucosa was then covered with collagen membrane to strengthen the structure of the nasal cavity. Blunt dissection of the hard palate mucoperiosteum above the palatine process and palatine bones, soft tissue above the maxilla was performed, and the 3D printed titanium implant was fastened in a preplanned position. The facial soft tissue defect was reconstructed, and the titanium PSI was covered using an angularis oris cutaneous flap. Partial flap necrosis occurred in the rostral aspect, and the wound was managed to heal by a second intension. Flap dehiscence at the junction of the flap and hard palate mucoperiosteum occurred with exposure of the implant 2 days postoperatively. Multiple attempts to close the defect failed, and the owner wanted to stop treatment. Healthy granulated tissue was observed proximal to the implant. The defect no longer increased in size and did not show any noticeable complications related to the defect at 60 days after titanium PSI application, and the dog was discharged. Six months post-operatively, the dog remained active with great appetite, gained weight, and showed acceptable facial symmetry without enlargement of the implant exposure or any implant-related problems.

Dataset Information

Complex Frontal Bone Reconstruction Using Computer-designed Polyetheretherketone Implant: Case Report and Literature Review.

Publications

Complex Frontal Bone Reconstruction Using Computer-designed Polyetheretherketone Implant: Case Report and Literature Review.

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