Table 6 Mean values for the push-out bond strength (MPa) by restorative group, root third and their interaction

a. Restorative Group

Group 1

Group 2

Group 3

Group 4

Group 5

b. Root third

10.13 (2.33) ^A

7.76 (2.34) ^B

8.77 (1.99) ^C

11.95 (1.48) ^D

13.11 (2.15) ^E

Cervical

Middle

Apical

c. Restorative group X Root third

12.25 (2.37) ^A

11.00 (1.46) ^B

7.77 (2.45) ^C

Group 1

Group 2

Group 3

Group 4

Group 5

Cervical

12.20 (0.78) ^A

9.48 (0.40) ^B

10.25 (0.79) ^B

13.59 (0.58) ^C

15.73 0.64) ^D

Middle

11.08 (0.80) ^A

9.21 (0.39) ^B

9.89 (0.70) ^B

12.05 0.43) ^C

12.82 0.64) ^C

Apical

7.11 (0.52) ^A

4.60 (0.60) ^B

6.16 (0.36) ^C

10.21 0.41) ^D

10.79 0.46) ^D