J Mech Behav Biomed Mater 2013 Oct 15;26:34-42. Epub 2013 May 15.
Department of Oral Sciences, School of Dentistry, P.O. Box 647, Dunedin 9001, New Zealand.
Objectives: To determine the flexural strength and subsequent strength degradation of a range of dental CAD/CAM ceramic materials and novel PICN (Polymer-Infiltrated-Ceramic-Network) materials by means of pre-damaging with Vickers indentations at various loads.
Methods: The materials tested included (Mark II, PICN test material 1 and 2, In-Ceram Alumina, VM 9, In-Ceram YZ; Vita Zahnfabrik, Bad Saeckingen, Germany) and (IPS e.max CAD, Ivoclar Vivadent, Schaan, Liechtenstein). Read More