Prolab IQ Volume 2, 2/2005 page 24-32 more by this author backread more Key words: Trade name and manufacturer: Nobel ProceraNobel BiocareIPS EmpressVariolinkIvoclar VivadentVITA Zahntechnik Nobel ProceraNobel BiocareIPS EmpressVariolinkIvoclar VivadentVITA Zahntechnik Original publication: QDT 2004;9–18