PubMed ID (PMID): 23252220Pages 199-205, Language: English, GermanWiedhahn, Klaus / Schenk, Olaf / Fritzsche, GünterDuring the last 20 years, whenever participants of Cerec symposia and congresses were asked about the first item on their wish-list for improving the existing system, the most desired feature has always been the same: A powder-free camera.