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Progress in Orthodontics

Table 3 Comparison of difference in Rt (maximum roughness height) between baseline and post polishing roughness

From: Comparative evaluation of enamel surface roughness after debonding using four finishing and polishing systems for residual resin removal—an in vitro study

R t

Mean baseline roughness height

Mean post polishing roughness height

Mean difference Rt

Group 1

1.24 μm

4.24 μm

3.00 μm

Group 2

1.28 μm

4.24 μm

2.96 μm

Group 3

1.26 μm

3.84 μm

2.58 μm

Group 4

1.28 μm

5.36 μm

4.08 μm

p value

0.925

< 0.001

< 0.001

  1. Rt maximum roughness height, μm micrometer, p value probability value
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