Ion Release and Apatite Formation of Resin Based Pit and Fissure Sealants Containing 45S5 Bioactive Glass

被引:0
作者
Choi, Ji-Won [1 ]
Han, A. Ruem [2 ]
Yang, Song-Yi [3 ]
机构
[1] Kyungdong Univ, Dept Dent Hyg, Wonju 26495, South Korea
[2] Yonsei Univ, Dept & Res Inst Dent Biomat & Bioengn, Coll Dent, Seoul 03722, South Korea
[3] Konyang Univ, Dept Dent Hyg, Daejeon 35365, South Korea
基金
新加坡国家研究基金会;
关键词
pit and fissure sealant; apatite formation; ion release; pH variation; 45S5 bioactive glass; ENAMEL; ANTIBACTERIAL;
D O I
10.3390/polym16131855
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The purpose of this study was to evaluate a resin based pit and fissure sealant containing 45S5 bioactive glass (BAG) by examining its ion release, pH variation, and apatite-forming properties. To prepare the experimental materials, 45S5 BAG, used as a filler, was incorporated into the light curable resin matrix at concentrations of 0 (control), 12.5, 37.5, and 50.0 wt.%. Ion release, pH variation, and apatite formation (Raman spectrometer and scanning electron microscopy-energy-dispersive X-ray spectrometry measurements) were performed. While no ions were released from the control group, the experimental groups containing 45S5 BAG showed an increased release of Ca and P ions with increasing amounts of 45S5 BAG (p < 0.05). The pH of the experimental group remained high and was significantly different from the control group (p < 0.05). Unlike the control group, it was confirmed that the apatite peak was formed in the 50.0 wt.% BAG group for 90 days, and the apatite layer consisting of Ca and P was deposited on the surface. Thus, a resin based pit and fissure sealant containing 45S5 BAG is a promising material for preventing secondary caries by releasing ions and forming apatite.
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页数:13
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