title: Orthognathic treatment of asymmetry: two cases of "waferless" stereotactic maxillary positioning.
abstract: We present 2 cases in which navigation-guided surgery was used to correct complex facial asymmetry. The merits and challenges of using stereotactic technology to allow "waferless" positioning of the maxilla in orthognathic surgery are illustrated by patients who were operated on without the use of acrylic wafers to achieve three-dimensional correction of the maxillary deformity. Biometric assessment was made clinically and recorded with computed tomographic (CT) scanning. The operation was planned using Voxim(®) software and the operation done with the aid of the Voxim(®) navigation system.
authors.affiliation: Queen Victoria Hospital NHS Foundation Trust, Holtye Road, East Grinstead, West Sussex RH19 3DZ, United Kingdom. zaidsadiq@doctors.org.uk
authors.forename: Zaid
authors.initials: Z
authors.lastname: Sadiq
authors.forename: Jeremy
authors.initials: J
authors.lastname: Collyer
authors.forename: Ken
authors.initials: K
authors.lastname: Sneddon
authors.forename: Stephen
authors.initials: S
authors.lastname: Walsh
mesh_terms: D005146:Facial Asymmetry / Q000601:surgery*; D006801:Humans; D021621:Imaging, Three-Dimensional; D008437:Maxilla / Q000000981:diagnostic imaging / Q000601:surgery*; D056948:Orthognathic Surgical Procedures / Q000379:methods*; D019340:Osteotomy, Le Fort / Q000379:methods; D059229:Osteotomy, Sagittal Split Ramus / Q000379:methods; D011859:Radiography; D013238:Stereotaxic Techniques; D025321:Surgery, Computer-Assisted / Q000379:methods*