A computerized tomography (CT) scan appliance for optimal presurgical and preprosthetic planning of the implant patient.

This article describes the technique for using the CT (computerized axial tomography) scans, with specially designed software and an adjunct appliance, for accurate planning of dental implants and implant-supported restorations. The available bone can be evaluated, surgical problems anticipated, and errors in placement avoided. The learning objective of this article is an enhanced knowledge of the extended application of the CT scans and the use of the orientation and immobilization appliance.