Figure 4 - A die is scanned for a Procera AllCeram coping (outline of scan is in the background), which is made centrally in either Sweden or the USA (Courtesy of Nobel Biocare)
From the following article
Crowns and extra-coronal restorations: Materials selection
R W Wassell, A W G Walls & J G Steele
British Dental Journal 192, 199 - 211 (2002) Published online: 23 February 2002
doi:10.1038/sj.bdj.4801334
