A study on the sealing ability and antibacterial activity of Ca3SiO5/CaCl2 composite cement for dental applications

被引：16
|
作者：
Wang, Xiaohong [1 ]
Chang, Jiang [2 ]
Hu, Sheng [2 ]
机构：
[1] Tongji Univ, Dept Endodont, Stomatol Coll, Shanghai 200072, Peoples R China
[2] Chinese Acad Sci, Biomat & Tissue Engn Res Ctr, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
来源：
DENTAL MATERIALS JOURNAL | 2012年 / 31卷 / 04期
关键词：
Sealing ability; Antibacterial activity; Ca3SiO5/CaCl2 composite cement; BIOACTIVE GLASS 45S5; ENDODONTIC LEAKAGE; CALCIUM HYDROXIDE; MICROLEAKAGE; BACTERIA; PH;
D O I：
10.4012/dmj.2011-260
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
The objective of this study was to evaluate the sealing ability and antibacterial activity of Ca3SiO5/CaCl2 composite cement. Fifty maxillary anterior teeth were instrumented according to step-back technique and filled with experimental and control materials. To evaluate the sealing ability, a fluid transport model using glucose was employed for quantitative analysis of endodontic microleakage. To evaluate antibacterial activity, E. colias (ATCC 25922) was cultivated on agar plates. Results showed that the sealing ability of Ca3SiO5/CaCl2 composite cement and cortisomol paste were higher than that of zinc oxide-eugenol (ZOE) cement, and that no significant difference was observed between Ca3SiO5/CaCl2 composite cement and cortisomol paste. On antibacterial activity, Ca3SiO5/CaCl2 composite cements composed of varying amounts of CaCl2 (0-15%) exhibited similar levels of activity against E. colias as calcium hydroxide cement, whereas cortisomol paste had little effect on E. colias. All these results suggested that Ca3SiO5/CaCl2 composite cement demonstrated good potential for root canal treatment applications.
引用
收藏
页码：617 / 622
页数：6
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