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. 2019 Feb 26;11(1):1–6. doi: 10.4047/jap.2019.11.1.1

Table 4. The mean biaxial flexural strength values for groups (MPa).

Group Mean ± SD P value Between group comparison
Control 1076.55 ± 102.77a .003 Group 1, Group 2 > Control group
1 1209.39 ± 41.01b
2 1216.48 ± 101.12b
3 1159.42 ± 84.55ab

Different superscript letters (a,b) indicate significant difference between groups.