Fluoride Release of Fresh and Aged Glass Ionomer Cements after Recharging with High-Fluoride Dentifrice
Table 3
Mean (±SD) of F (μg F/ml) release from fresh and aged restorative materials before and after the first day (day 1) of treatment with F-dentifrices (n = 5).
Experimental conditions
Materials
Composite resin
Resin-modified GIC
Conventional GIC
High-viscosity GIC
Before F treatments (fresh)
0.08 (0.07) A
15.88 (4.36) B
8.83 (1.31) C
7.35 (1.58) C
After F
0 μg F/g
0.50 (0.39) A.a
4.00 (0.84) B.a
2.70 (0.83) BC.a
2.18 (0.42) C.a
treatments
1.100 μg F/g
7.76 (0.70) A.b
18.35 (4.76) B.b
8.69 (1.41) A.b
8.31 (1.16) A.b
(fresh)
5.000 μg F/g
18.71 (4.02) A.c
31.05 (3.35) B.c
29.98 (6.11) B.c
28.40 (9.40) AB.c
After F
0 μg F/g
0.42 (0.26) A.a
3.65 (0.58) B.a
2.90 (1.28) B.a
3.42 (0.34) B.a
treatments
1.100 μg F/g
0.78 (0.17) A.a
6.62 (1.20) B.a
4.66 (0.62) C.a
4.85 (1.02) C.b
(aged)
5.000 μg F/g
4.45 (2.56) A.b
12.06 (4.53) B.b
10.29 (3.12) B.b
6.04 (0.94) A.b
Different uppercase letters indicate significant difference in rows and different lowercase letters indicate significant difference in columns in each experimental condition (). indicates difference between before and after F treatments of fresh materials (). indicates difference between fresh and aged materials after each F treatments ().
