Reconstruction after substantial osseous, cutaneous, and muscular tissue loss following a mandibular resection is a challenge. The use of a fibular free flap is an outstanding, yet delicate, treatment option. These grafts, using the double-barrel technique, can achieve an almost complete reconstruction of the mandibular defect. The challenge posed by these treatments is to achieve an end result that is both functional and esthetically pleasing; an endeavour that requires a defined prosthetic plan prior to complete microsurgical reconstruction