1. Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, Eberhard Karls Universität Tübingen, Osianderstraße 2-8, 72076 Tübingen, Germany
2. Department of Oral and Maxillofacial Surgery, University Hospital “Carl Gustav Carus”, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany
3. Institute of Machine Elements and Machine Design, Chair of Virtual Product Development, Technische Universität Dresden, 01062 Dresden, Germany
4. INNOTERE GmbH, Meissner Str. 191, 01445 Radebeul, Germany