After cementation, each specimen was placed in distilled water and stored at 35 °C for 24 h before the specimens were thermocycled (Thermocycler 1100/1200, SD Mechatronik, Germany) for 5000 cycles to stress the interfaces between the different materials [27]. A cycle lasted for a total of 60 s: 20 s in two baths with temperatures of 5 °C and 55 °C with 10 s transfer time between the baths.
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