›› 2014, Vol. 34 ›› Issue (12): 924-927.

• 基础与临床研究 • 上一篇    下一篇

义齿清洁剂对热固化型基托树脂物理及机械性能的影响

张燕萍1,周培刚1,吴凤鸣2   

  1. 1. 苏州市吴江区第一人民医院
    2. 江苏省口腔医院
  • 收稿日期:2014-08-08 修回日期:2014-08-17 出版日期:2014-12-28 发布日期:2015-01-02
  • 通讯作者: 吴凤鸣 E-mail:wudent@sina.com

Influence of denture cleansers on physical and mechanical properties of heat-curing denture base resin

  • Received:2014-08-08 Revised:2014-08-17 Online:2014-12-28 Published:2015-01-02

摘要: 目的 评价5种义齿清洁剂对热固化型基托树脂颜色稳定性、表面粗糙度、弯曲强度的影响。方法 热固化型基托树脂试样浸泡于保丽净、澳多—C、Protefix、0.2%葡萄糖酸氯己定、雅克菱义齿清洁剂以及蒸馏水中,后测量试样颜色的改变(ΔE)、粗糙度值、弯曲强度。结果 0.2%葡萄糖酸氯己定、雅克菱义齿清洁剂的颜色改变较对照组显著较大;将ΔE值用NBS(美国国家标准局)单位来表示,所有组对应的人色差感觉程度均为感觉轻微。对于表面粗糙度和弯曲强度,不同浸泡处理组间无统计学差异。结论 热固化型基托树脂使用义齿清洁剂180 d后,0.2%葡萄糖酸氯己定、雅克菱浸泡后颜色稳定性较差,但为临床可接受。保丽净、澳多—C、Protefix对材料均无影响。

关键词: 义齿清洁剂, 颜色稳定性, 表面粗糙度, 弯曲强度

Abstract: Objective To evaluate the colour stability, surface roughness and ?exural strength of heat-curing denture base resin after using five denture cleansers. Methods Samples were prepared from heat-curing denture base resin and immersed in Polident, Victoria-C,Protefix,0.2% chlorhexidine gluconate ,Y-Kelin denture cleansers and distilled water. The color changes (ΔE), the roughness and the ?exural strength were then measured. Results The color changes were significantly greater in the 0.2% chlorhexidine gluconate ,Y-Kelin denture cleansers than in the control group. The ΔE values quanti?ed by the NBS (National Bureau of Standards) were classi?ed as Slight in all groups. When comparing the surface roughness and ?exural strength, no statistically significant difference was found among the different immersion procedures. Conclusion Immersion in 0.2% chlorhexidine gluconate and Y-Kelin denture cleansers influenced the color stability of heat-curing denture base resin after a 180-day use, but it was clinically acceptable. Polident, Victoria-C, Protefix did not influence the properties.

Key words: denture cleansers, color stability, surface roughness, flexural strength

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