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Table 2 Comparison of surface roughness (Ra) in micrometers among the study groups

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)

 

Lava Ultimate

Cerasmart

 

Control

(n = 6)

Sandblasting

(n = 6)

Etching

(n = 6)

Control

(n = 6)

Sandblasting

(n = 6)

Etching

(n = 6)

Mean (SD)

1.36 (0.09)

2.18 (0.09)

1.78 (0.11)

1.10 (0.11)

2.28 (0.11)

1.44 (0.14)

Median

1.38

2.18

1.81

1.12

2.27

1.41

Min – Max

1.22 – 1.49

2.05 – 2.32

1.58 – 1.90

0.91 – 1.22

2.18 – 2.39

1.24 – 1.60

Test

(P value)

32.167

(< 0.0001*)

  1. *Statistically significant at p-value ≤ 0.05
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BMC Oral Health

ISSN: 1472-6831

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