The effect of fluoride and casein phosphopeptide-amorphous calcium phosphate (CCP-ACP) application on the color and microhardness of bleached enamel (치아미백 후 불소와 CPP-ACP 처리가 치아의 색과 미세경도에 미치는 영향 )

심연수; 최우양

The effect of fluoride and casein phosphopeptide-amorphous calcium phosphate (CCP-ACP) application on the color and microhardness of bleached enamel

Journal of Korean society of Dental Hygiene
Abbr : J Korean Soc Dent Hyg
2010, 10(3), pp.473-481
Publisher : Korean Society of Dental Hygiene
Research Area : Medicine and Pharmacy > Dentistry

심연수 ¹, 최우양 ²

¹신흥대학
²강릉영동대학

Candidate

ABSTRACT

Objective: To evaluate the effect of fluoride application on the color and microhardness of bleached enamel and compare it to that of casein phosphopeptide-amorphous calcium phosphate (CCP-ACP) application. Methods: Twenty freshly extracted human adult molar were each sectioned into halves, the specimens divided and treated according to five experimental groups: Group 1, treatment with 10% carbamide peroxide (CP) bleaching agent; Group 2, treatment with 10% CP followed by a 1.23% fluoride gel application; Group 3, treatment with 10% CP followed by a 2.23% sodium fluoride varnish application; Group 4, treatment with 10% CP followed by a 0.11% sodium fluoride gel application; Group 5, treatment with 10% CP followed by a CPP-ACP gel application. All groups were treated 6 h per day for 14 days then immersed in distilled water for 2 weeks. Changes in enamel color were evaluated on Baseline and Day 14. Microhardness were evaluated on Baseline, Days 7 and 14. Statistical analysis was performed using one-way ANOVA and post-hoc Tukey tests. Results: All the bleached enamel specimens revealed increased whiteness and overall color value. Group 1 showed the lowest microhardness values than that of Groups 2, 3, 4 and 5. In all groups, the hardness of tooth after bleaching showed a significant decrease in the microhardness as compared with the one prior to tooth bleaching. The specimens treated with remineralizing agents showed relatively less reduction in enamel microhardness than control group. Conclusion: The addition of fluoride and CPP-ACP did not impede the whitening effect. The use of remineralizing agents during bleaching treatment can significantly enhance the microhardness of bleached enamel.

KEYWORDS

CPP-ACP, fluoride, microhardness, tooth bleaching

Citation status

* References for papers published after 2023 are currently being built.

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