填料(材料)
复合数
变形链球菌
材料科学
树脂复合材料
牙科
抗菌活性
复合材料
体外
核化学
细菌
化学
医学
生物
生物化学
遗传学
作者
Teuku Syafiuddin,Hisashi Hisamitsu,Teruo Toko,Takeshi Igarashi,Nobuichi Goto,Akihiro Fujishima,Takashi Miyazaki
出处
期刊:Biomaterials
[Elsevier]
日期:1997-08-01
卷期号:18 (15): 1051-1057
被引量:67
标识
DOI:10.1016/s0142-9612(97)88072-6
摘要
Class V cavities were prepared and restored with resin composite containing antibacterial filler powder (Apacider-AW, Ap-AW) using experimental restorations. The restored teeth were incubated in vitro with the cariogenic bacteria Streptococcus mutans IFO 13955. Ground sections were then prepared and examined using macrophotography. Lesions of the outer and inner wall were noted, and the depths to which the lesions penetrated were measured. We found that, in restorations containing 1–5 wt% Ap-AW, caries penetrated the marginal area, while in restorations containing 10 wt% Ap-AW the margin remained free of caries out to a distance of about 1.1 and 1.8 mm on the occlusal and gingival sides, respectively.
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