ProLab iQ Volume 7, 1/2008 page 57-68 , more by this authormore by this author back Key words: Trade name and manufacturer: Ivoclar VivadentGCVOCOColtene WhaledentWielandBredentErkodur Ivoclar VivadentGCVOCOColtene WhaledentWielandBredentErkodur Original publication: QDT 2008;9–18.