The document discusses reconstructive techniques for head and neck surgery following cancer ablation of the oral cavity. It outlines the goals of reconstruction as being both functional and aesthetic. Functionally, reconstruction aims to restore oral competence, speech, mobility, mastication, bolus transport, and sensation. Aesthetically, it aims to restore bony framework, soft tissue contour, chin protrusion and mobility. A variety of soft tissue and bone reconstructive techniques are presented, including skin grafts, local and regional flaps, myocutaneous flaps, and microvascular free flaps of the radial forearm, anterolateral thigh, fibula and rectus abdominis. Free flaps are commonly used to reconstruct