A new orbito-zygomatic complex reconstruction technique using CAD-CAM-assisted harvest of autologous calvarial bone in cases of orbito-zygomatic benign tumor

The orbito-zygomatic complex (OZC) includes several key structures, and its destruction leads to the impairment of functional activities such as nutrition, communication, nasal support, and vision. Management of benign tumors of the OZC is therefore a surgical challenge due to the necessity of reconstruction of these elements. Autogenous bone is considered to be the gold standard for reconstruction. Nevertheless, the difficulty is related to the complex anatomy and distorted skeletal anatomical landmarks, which require precise work in the case of bone grafts.

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