Research Article

Influence of Er,Cr:YSGG Laser Irradiation on the Push-Out Bond Strength of Zirconia and Glass Fiber Posts with Radicular Dentin

Table 3

Push-out bond strength values of the cervical, middle, and apical segments (MPa) (±SD).

GroupsCervical segmentMiddle segmentApical segment

Glass fiber posts
 Axial7.01 ± 1.217.14 ± 1.337.72 ± 1.99
 Radial6.82 ± 1.187.31 ± 1.097.21 ± 1.84

Zirconia posts
 Axial7.49 ± 1.887.01 ± 0.937.88 ± 1.92
 Radial6.52 ± 0.817.09 ± 0.097.02 ± 1.11

Control group6.41 ± 2.176.14 ± 0.745.33 ± 1.00

Statistically significant results obtained by t-test at compared between axial and radial fiber tips. Statistically significant results obtained by t-test at compared between each third of the segment.