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. 2017 Jul 13;2017:5010712. doi: 10.1155/2017/5010712

Table 2.

Mean and standard deviation of bond strength (MPa) in the different root thirds, between the groups.

Group
Thirds Control Customized
Cervical 7.78 ± 4.33 (A. a) 13.59 ± 2.07 (B. a)
Middle 11.35 ± 5.78 (A. b) 17.97 ± 6.17 (B, ab)
Apical 7.19 ± 3.08 (A. a) 19.32 ± 3.20 (B, b)

Total 8.77 ± 4.89 16.96 ± 4.85

Uppercase letters indicate statistically significant difference between types of post. Lowercase letters indicate statistically significant difference between the root thirds (two-way ANOVA, Tukey, p < 0.05). The () symbol indicates a statistically significant difference between the types of post (p < 0.05).