Figure 3 - The press ceramic furnace used for the construction of injection moulded IPS Empress crowns (Courtesy of Ivoclar).
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
