Interpositional bone graft with cortical and cancellous calvarial bone for addressing the bone gap after reduction malarplasty: a case report

Author:

Kim Jin WooORCID,Lee Dong HunORCID,Kim Yong KyuORCID

Abstract

Asians typically exhibit prominent zygomas; therefore, several attempts have been made to reduce these structures to achieve a softer appearance. The intraoral approach is preferred because of its shorter surgical duration and lower invasiveness; however, it is associated with serious complications, such as nonunion. In revisional surgery, the intraoral approach poses limitations in accessing the upper part of the zygoma and the lateral orbital rim area due to its restricted operative field. Therefore, we developed an intraoral interpositional bone graft technique that enabled almost complete reconstruction. A 40-year-old woman presented with persistent depression in the left infraorbital and cheek regions after two revision operations after reduction malarplasty. Based on computed tomography (CT) scan findings, reconstruction using bone grafts was planned. Calvarial bone was harvested and divided into cortical and cancellous parts. The cortical bone was sculpted into an L-shape and inserted into the gap between the maxilla and the lower zygoma body. The hard-to-reach lateral orbital rim area was filled with cancellous bone without fixation. Follow-up CT scans showed that the cortical bone grafts were well-maintained and stabilized with titanium plates, while the cancellous bone had undergone significant resorption and was replaced by new bone, indicative of successful natural healing.

Publisher

Korean Society for Aesthetic Plastic Surgery

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