Is Deterioration of Surface Properties of Resin Composites Affected by Filler Size?
Table 4
Mean (SD) of 3D roughness parameters.
Group
Tooth-brushing abrasion
At start (0 cycle)
After 2 years brushing (after 10,000 cycles)
After 4 years brushing (after 20,000 cycles)
Sa
St
Sa
St
Sa
St
Sp
0.14 (0.04)a
33.35 (2.10)a
0.66 (0.05)a
40.62 (0.70)a
1.26 (0.09)a
55.87 (0.63)a
I1
0.22 (0.02)a,b
35.02 (2.33)a
1.55 (0.07)b
43.16 (1.90)a,b
2.33 (0.21)b
65.40 (0.42)b
I2
0.17 (0.03)b,c
50.52 (1.89)b
1.93 (0.08)c
69.19 (0.79)c
2.93 (0.14)c
79.90 (0.48)c
I3
0.27 (0.03)c,d
69.00 (2.51)c
1.91 (0.04)c
88.45 (1.56)d
2.88 (0.12)c
96.52 (0.65)d
I4
0.57 (0.04)e
80.63 (2.15)d
2.03 (0.09)c
90.92 (1.18)d
2.89 (0.08)c
102.82 (0.23)e
I5
0.30 (0.02)d
42.08 (1.82)e
1.60 (0.08)b
55.76 (0.43)e
1.55 (0.05)d
86.60 (0.63)f
I6
0.30 (0.03)d
51.97 (3.02)b
1.53 (0.04)b
46.25 (0.63)b
1.63 (0.09)d
82.70 (0.47)g
TC
0.11 (0.02)a
31.94 (2.38)a
0.61 (0.04)a
40.94 (0.98)a
1.17 (0.04)a
50.64 (0.83)h
Within each column, similar superscripts indicate no significant difference (). Within each group, represent significant differences in Sa and St among tooth-brushing abrasion cycles.
