Three-dimensional visualization of computerized tomography and laser scan data for the simulation of maxillo-facial surgery

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Abstract
A system has been developed for the three-dimensional (3D) visualization of the face and skull using data obtained from a purpose-built no-contact laser scanning system and from a series of scans produced by X-ray computerized tomography. Features developed allow the simulation, planning and prediction of maxillo-facial surgery. Realistic skeletal and facial images with a solid 3D appearance are produced from these two datasets using computer graphics techniques. The images can be sectioned for diagnostic purposes or parts can be repositioned for the simulation of surgery. 3D measurements can be made on the images for pre- and post-surgical analysis. An example of the clinical use of the system in the planning of surgery and the prediction of post-surgical facial appearance is given.

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