Groups
N
Mean
S.D.
Resin-bonded bracket (12,000 ppm fluoride)
10
3.4
1.17
Resin-bonded bracket (1,500 ppm fluoride)
10
5.9*
2.08
Resin-bonded bracket (900 ppm fluoride)
10
2*
1.05
GIC-bonded bracket (12,000 ppm fluoride)
10
3.4
2.01
GIC-bonded bracket (1,500 ppm fluoride)
10
3.9*
1.45
GIC-bonded bracket (900 ppm fluoride)
10
2.6*
0.97
Total
60
3.4
1.455
*Significant differences ANOVA p>0.001
Table 4:
Difference between the LF values of enamel around brackets after three weekly fluoride treatments and TMPyP and the initial LF values of the enamel.
