Skip to main content
. 2018 Jun 12;10(3):211–217. doi: 10.4047/jap.2018.10.3.211

Table 3. Surface roughness values (Ra, µm) (median (25th–75th percentile) of the groups (n = 15).

Groups LAVA VITA Enamic
1 (15 s) 2.84 (2.57–3.12)Aa 2.55 (2.3–3.04)Aa
2 (30 s) 3.23 (2.91–3.56)ABa 2.91 (2.32–3.13)Aa
3 (60 s) 3.31 (3–3.73)Ba 3.91 (3.63–6.67)Bb

•Means followed by distinct superscript capital letters (A-B) represent statistically significant differences in each column (comparison between groups) (P < .05).

•Means followed by distinct superscript small letters (a-b) represent statistically significant differences in each row (P < .05).