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Table 2 Intergroup comparison of fracture strength

From: Fracture resistance of prefabricated versus custom-made zirconia crowns after thermo-mechanical aging: an in-vitro study

Maximum load (MPa) (Mean ± SD)

Mean difference [95% CI)

t-value

p-value

Prefabricated crowns

Custom made crowns

1793.54 ± 423.82

1987.38 ± 414.88

 − 193.84 [− 643.57: 255.89]

0.92

0.371

  1. Results of intergroup comparisons of failure mode presented in Table 3, showed that there was a statistically significant higher percentage of code (II) fracture mode in the custom-made crowns group (χ2 = 12.80, p = 0.012. Examples of fractured specimens are presented in Fig. 4
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BMC Oral Health

ISSN: 1472-6831

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