Answer: "Return what is normal to the normal position and retain it there" is of paramount importance. Displacement, or loss of structures, can occur as a direct result of trauma or planned surgical excision or even scar contraction. The surgical correction needs to take into account the normal appearance or in cases of long established deficit the aesthetic projection of what normal would have been for the missing facial structure. -- See full article Returning to Normal by Consultant Maxillofacial/Head & Neck Reconstructive Surgeon, Mr Nicholas Kalavrezos.