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Table 1 Performed sintering’s according to the protocols

From: Effect of sintering time on the marginal and internal fit of monolithic zirconia crowns containing 3–4 mol% Y2O3

Sintering protocol

Starting Degree

Heating rate

Sintering temperature

Holding time

Cooling down speed

Total sintering time (approximately)

Long - term

Room temperature (25 ± 2 °C)

10 °C / min

1500 °C

120 minutes

−10 °C / min

7 hours

Short - term

40 °C / min

45 minutes

−40 °C / min

2 hours