TABLE – 1 Conventional Glass Ionomer Cement
Resin Modified Glass Ionomer Cement Treated
Polyacid Modified Resin Composites Untreated
Treated
Fluoride Releasing Hybrid Composites
Untreated
Treated
Untreated
Untreated
Treated
1
0.860
2.005
0.323
2.099
0.311
0.838
0.236
2
0.732
2.679
0.584
1.813
0.347
1.594
0.399
3
0.330
2.257
0.621
1.982
0.338
1.313
0.283
4
0.683
2.156
0.532
1.495
0.293
1.426
0.331
5
0.781
3.139
0.519
1.821
0.383
1.629
0.265
Mean
0.677
2.451
0.516
1.842
0.334
1.360
0.303
SD
0.205
0.463
0.115
0.228
0.035
0.319
0.064
Surface roughness in descending order. Conventional Glass Ionomers > Resin-modified Glass Ionomers > Polyacid-modified composites > Fluoride releasing composites
TABLE – II (UNTREATED GROUP)
Material I. II.
Conventional Glass Ionomer Cement Resin Modified Glass Ionomer Cement
Difference Between Materials*
Surface Roughness (µm) Range
Mean ± SD
II
III
IV
0.330 – 0.860
0.677 ± 0.205
NS
P<.05
P,.05
0.323 – 0.621
0.516 ± 0.115
-
NS
P<.05
III.
Compomer
0.293 – 0.385
0.334 ± 0.035
-
-
NS
IV.
Composite
0.236 – 0.399
0.303 ±0.004
-
-
-
Kruskal-Wallis ANOVA (H=10.45, P<.001, HS) * Mann – Whitney Test P<.05 Significant NS : Not Significant (P>0.05)
IV < III < II < I NS
NS NS
TABLE – III (TREATED GROUP)
Material I. II.
Conventional Glass Ionomer Cement Resin Modified Glass Ionomer Cement
Difference Between Materials*
Surface Roughness (µm) Range
Mean ± SD
II
III
IV
2.005 – 3.139
2.451 ± 0.463
P<.05
P<.05
P<.05
1.495 – 2.099
1.842 ±0.228
-
P<.05
P<.05
III.
Compomer
0.838 – 1.629
1.360 ± 0.319
-
-
P=0.40 (NS)
IV.
Composite
0.994 – 1.474
1.265 ± 0.186
-
-
-
Kruskal-Wallis ANOVA (H=8.74, P<.01, Significant) * Mann – Whitney Test P<.05 Significant NS : Not Significant (P>0.05)
IV < III < II < I NS