Flexural strength, fracture toughness, three-body wear
The wax specimens were embedded using the manufacturers' recommended investment materials and preheated in a furnace (Typ 5635, Kavo Ewl, Biberach, Germany) at 850 °C for 60 min. Specimens were pressed in a ceramic press furnace (Austromat 654 Press-i-dent, Dekema, Freilassing, Germany) according to the manufacturer´s instructions (Table 2