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Table 3 Pairwise comparison between the study groups regarding surface roughness

From: The effect of sandblasting versus acid etching on the surface roughness and biaxial flexural strength of CAD/CAM resin-matrix ceramics (In vitro study)

Group

Compared to

P value

Lava Ultimate

(Control)

Lava Ultimate

(Sandblasting)

0.063

Lava Ultimate

(Etching)

1.00

Cerasmart

(Control)

1.00

Cerasmart

(Sandblasting)

0.012*

Cerasmart

(Etching)

1.00

Lava Ultimate

(Sandblasting)

Lava Ultimate

(Etching)

1.00

Cerasmart

(Control)

0.0001*

Cerasmart

(Sandblasting)

1.00

Cerasmart

(Etching)

0.183

Lava Ultimate

(Etching)

Cerasmart

(Control)

0.055

Cerasmart

(Sandblasting)

1.00

Cerasmart

(Etching)

1.00

Cerasmart

(Control)

Cerasmart

(Sandblasting)

0.0001*

Cerasmart

(Etching)

1.00

Cerasmart

(Sandblasting)

Cerasmart

(Etching)

0.040*

  1. *Statistically significant at p-value ≤ 0.05