Influence of curing method, sealer, and water storage on the hardness of a soft lining material over time.
Influence of curing method, sealer, and water storage on the hardness of a soft lining material over time.
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DOI：
10.1111/j.1532-849x.2001.00042.x
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发表时间：
2001-03-01
期刊：
影响因子：
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通讯作者：
Frangou, M J
中科院分区：
文献类型：
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作者：
Polyzois, G L;Frangou, M J
目的：本研究的目的是确定增塑型丙烯酸树脂软衬材料的硬度随时间的变化，当固化程序被修改，当表面封口剂被使用或省略。材料和方法：将椅边增塑型丙烯酸树脂材料和热处理型增塑型树脂材料制成直径40mm、厚度10mm的圆盘。材料在高温或口温下固化。每种处理方法使用5个样品。所有样品中有一半用表面封口剂处理，而其他样品没有进行表面处理。处理后，将样品浸泡在37℃的水中，共浸泡1年。每月对样品进行测试以确定硬度。测试使用Shore a硬度计完成。结果：加工后硬度随材料和时间的不同而不同。在整个实验期间，热处理塑化树脂材料的邵氏A硬度值明显高于椅边(p
PURPOSE: The purpose of this study was to determine the hardness of plasticized acrylic resin soft lining materials over time when curing procedures were modified and when surface sealers were either used or omitted.MATERIALS AND METHODS: A chairside plasticized acrylic resin material and a heat processed plasticized resin material were made into disks 40 mm in diameter and 10 mm in thickness. Materials were cured by processing at an elevated temperature or at mouth temperature. Five samples were used with each processing method. Half of all samples were treated with a surface sealer, whereas the other samples received no surface treatment. After processing, the samples were immersed in 37 degrees C water for a total time of 1 year. Specimens were tested to determine hardness on a monthly basis. Testing was accomplished using a Shore A durometer.RESULTS: Hardness testing showed differences relative to material and to time after processing. The heat-processed plasticized resin material showed significantly higher Shore A hardness values than the chairside over the entire experimental period (p