Table 2 Grinding procedures and surface roughness (Ra, mean ± standard deviation) of twelve resin composites
From: Effect of roughness and acidic medium on wear behavior of dental resin composite
Grinding procedure | Sample code | Ra (μm) |
|---|---|---|
200 grit | a | 2.03 ± 0.63 |
b | 1.60 ± 0.23 | |
200, 400 grit | c | 0.61 ± 0.04 |
d | 0.50 ± 0.04 | |
200, 400, 800 grit | e | 0.78 ± 0.05 |
f | 0.58 ± 0.04 | |
200, 400, 800,1200 grit | g | 0.42 ± 0.08 |
h | 0.45 ± 0.02 | |
200, 400, 800,1200,2000 grit | i | 0.14 ± 0.02 |
j | 0.19 ± 0.03 | |
200, 400, 800,1200,2000, 3000 grit | k | 0.06 ± 0.01 |
l | 0.05 ± 0.004 |