1, 1.5 and 2 mm thick IPS Empress ceramic disks were manufactured. Polymerization shrinkage of cements Variolink II Ivoclar, Vivadent, Liechtenstein, Maxcem Kerr, Orange, USA and Duolink Bisco, Schaumburg, USA was assessed using the Watts and Cash method.
Se realizaron discos de cerámica IPS Empress de 1, 1.5 y 2 mm de grosor, se calculó el encogimiento por polimerización de los cementos Variolink II Ivoclar Vivadent, Liechtenstein, Maxcem Kerr, Orange, EUA y Duolink Bisco, Schaumburg, EUA, mediante el método de Watts y Cash.