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Comparative evaluation of fluoride release from PRG-composites and compomer on application of topical fluoride: an
Kanika Singh Dhull1, B Nandlal
1Department of Pedodontics & Preventive Dentistry, JSS Dental College and Hospital, Mysore-570 015, Karnataka, India. kanikasingh.dhull@gmail.com
Aims And Objective:
To determine the fluoride release from Giomer and Compomer, using different topical fluoride regimes, and to compare the amount of fluoride release from giomer with that of compomer.
Materials And Method:
Forty-eight specimens of each giomer and compomer were divided into four treatment groups, namely, control group, fluoridated dentifrice (500 ppm) once daily group, fluoridated dentifrice (500 ppm) twice daily group, fluoridated dentifrice (500 ppm) once daily + fluoridated mouthwash (225 ppm) group. Each specimen was suspended in demineralizing solution for six hours and remineralizing solution for 18 hours. Fluoride release was measured in both the demineralizing solution and remineralizing solution daily for seven days. Total daily fluoride release for each specimen was calculated by adding the amount released in the demineralizing solution to that released in remineralizing solution.
Results And Conclusion:
The fluoride release (ppm) was found to be more in Giomer when compared to Compomer. The fluoride released from Giomer and Compomer was significantly greater in the acidic demineralizing solution than in the neutral remineralizing solution. It was found that increasing fluoride exposure significantly increased fluoride release from the giomer and compomer. It was found that the fluoride release from the subgroups of giomer and compomer was in the following order: fluoridated dentifrice twice daily > fluoridated dentifrice once daily + fluoridated mouthwash > fluoridated dentifrice once daily > control group. It was found that the giomer showed a greater fluoride uptake than the compomer.
