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[The effects of fluoride on the bonding strength of brackets]
Objective:
To evaluate the effect of using fluoride during and after etching on the bonding strength of brackets.
Methods:
45 extracted human premolar were divided into three groups: Group 1, control, not applying fluoride. Group 2, applying fluoride during etching. Group 3, applying fluoride after etching. In each group, the teeth were treated with etching and fluoride respectively and stored in water for 24 hours. Then brackets bonding strength were measured.
Results:
The results showed that there was not significant difference among the three groups.
Conclusion:
Fluoride can be used to prevent enamel white spot.
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