Abstract：Objective: To evaluate the effect of the infiltration technique with or without fluoride therapy on the microhardness of enamel carious lesions. Methods: Aritificial enamel caries lesions were divided into four groups (n=15), group A, immersed in artificial saliva; group B, daily 0.05% fluoride solution; group C, resin infiltration; group D, resin infiltration + daily 0.05% fluoride solution. The specimens were kept in artificial saliva and evaluated for vickers hardness number (VHN) at four points: before treatment, 4 and 8 weeks after treatment, and demineralization. Results: In group A, the VHN of 4 weeks after treament was higher than before treatment, while there was no difference between 4 weeks and 8 weeks after treament. In group B, the VHN showed no differences between 4 weeks , 8 weeks and demineralization. In group C, compared with demineralization, the VHN of 4 weeks and 8 weeks after treatment were markedly decreased. The Group C had a lower VHN after demineralization than 4 weeks and 8 weeks after treatment. After 4 and 8 weeks treatment, the VHN from group C and D were higher than group A and B,respectively, while there was no difference in VHN between group C and D. Group D showed the highest VHN after demineralization, while group A showed the lowest. Conclusion: The VHN of carious lesions increased with the infiltration of resin with or without fluoride therapy, but the infiltration technique alone had a weaker effect on antidemineralization than the infiltration technique with fluoride therapy.
收稿日期: 2014-01-15
基金资助:
镇江市科技支撑计划资助项目(FZ2012043)
通讯作者:
孔凡芝(通讯作者)，主任医师，Email：kfz108@sohu.com
作者简介: 储婷( 1983—），女，江苏丹阳人，主治医师，硕士，主要从事牙体缺损的修复研究；
引用本文:
储婷，孔凡芝，江玉凤，丁胜平，孙洪涛，仇晨光. 渗透树脂和氟化物处理对早期龋修复及抑制再脱矿作用的体外研究[J]. 江苏大学学报:医学版, 2014, 24(02): 149-152.
CHU Ting, KONG Fan-zhi, JIANG Yu-feng, DING Sheng-ping, SUN Hongtao, QIU Chen-guang. In vitro evaluation of the infiltration technique with or without fluoride therapy on the microhardness of enamel carious lesions. Journal of Jiangsu University(Medicine Edition), 2014, 24(02): 149-152.
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