This article describes the surgical and prosthodontic treatment of a patient with severe dysgnathia combined with amelogenesis imperfecta. To the authors' knowledge, this is the first treatment report to describe the application of intraoral scanning for a complete mouth reconstruction. After transposition osteotomy, the treatment included the simultaneous fabrication of antagonistic computer-aided design/computer-aided manufactured (CAD/CAM) long-term interim restorations for the maxilla and mandible and the establishment of a new centric relation position and adequate vertical dimension of occlusion. Particularly in complex situations, the major advantages of intraoral scanning can be identified as an extended magnification of the 3-dimensional digital data to control the preparation and impression at the dental office. However, the presented treatment revealed some deficiencies in the digital work flow that must be rectified. In combination with high-performance polymers, the CAD/CAM technology offers a wide range of new treatment options and simplifies the fabrication of long-term interim restorations. Although in the present treatment the esthetic and functional requirements of the patient were met, no published studies of this procedure have been based on intraoral scanning, and the approach has to be considered experimental.
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