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Table 2 Mean and standard deviations of fracture resistance values (n) of experimental groups

From: Hybrid-abutment-restoration: effect of material type on torque maintenance and fracture resistance after thermal aging

RestorationFracture load (n)
Zirconia1567.17 ± 111.39a b
Lithium disilicate460.26 ± 43.08b A
PEEK556.76 ± 95.32a A
  1. Lower case similar letters indicate significant difference (p ˂ .05) while upper case similar letters indicate no significant difference (p ˃ .05)