不同类型义齿清洁剂对着色热凝基托树脂和树脂人工牙的清洁效果  

The effects of different denture cleaners on the discolored heat-cured denture base resin and artificial teeth

作　　者：王桃[1] 李欢欢[1] 吕亚如 郭震威 袁明月[1] WANG Tao LI HuanhuanI LV Yaru GUO Zhenwei YUAN Mingyue(450052 ,Fourth Affiliated Hospital of Zhengzhou University, China Linying People＇s Hospital, Luohe)

机构地区：[1]郑州大学第四附属医院,450052 [2]临颍县人民医院

出　　处：《实用口腔医学杂志》2017年第1期27-30,共4页Journal of Practical Stomatology

摘　　要：目的:比较不同类型义齿清洁剂对着色热凝基托树脂和树脂人工牙的清洁效果。方法:将40块规格相同的热凝基托树脂试件和40颗贺利氏树脂人工中切牙,浸泡于咖啡、绿茶和酱油的混合液中4周,各随机分为4组(n=10),按使用说明分别浸泡在Polident、Steradent清洁片配成的溶液、质量分数为0.5%次氯酸钠溶液和蒸馏水(对照组)中4 h,使用色差仪和电子比色仪分别测量热凝基托树脂和树脂人工牙着色前后、清洁剂浸泡后的色度值,计算试件处理前后的色差(ΔE)并进行统计学分析。结果:在着色前后,4组热凝基托树脂和4组树脂人工牙ΔE无统计学差异(P>0.05)。在着色后与清洁后的ΔE值,0.5%次氯酸钠组>Polident组和Steradent组>蒸馏水组(P<0.05);Polident组与Steradent组之间无统计学差异(P>0.05)。在着色前与清洁后,蒸馏水组的ΔE大于其他3组(P<0.05);其他3组之间无统计学差异。结论:0.5%次氯酸钠、Polident和Steradent对着色热凝基托树脂和树脂人工牙均有有效的清洁效果,其中0.5%次氯酸钠优于Polident和Steradent,Polident和Steradent效果相同。Objective： To evaluate the effects of different denture cleaners on the discoloration of heat-cured denture base resin and artificial teeth. Methods： 40 same specifications of the heat- curing denture base resin and 40 artificial central incisors were immerced in an acombination stain of coffee, tea and soy sauce for 4 weeks. Then specimens and artificial teeth were randomly distributed into 4 groups and soaked in Polident, Steradent,0.5% sodium hypochlorite solution and distilled water for 4 hours respectivelly（ n = 10）. Color differences（AE） were measured by using a colorimeter and a denture spectrophotometer before and after staining, and after cleaning. Results： Before or after staining there was no difference of AE among the groups of denture base risn or artificial teeth（P 〉 0.05）. After cleaning the denture base resin and the artificial teeth in the group of 0.5% sodium hypochlorite solution presented high- er AE than the other groups （P 〈 0.05 ）, in group of distilled water presented lower AE than the other groups （P 〈 0.05 ）. No signifi- cant difference was found between Polident group and Steradent group（P 〉 0.05 ）. The AE of the denture base resin and artificial teeth in distilled water group before staining and after cleaning were the highest among the groups（P 〈 0.05 ）. Conclusion： O. 5% sodium hypochlorite solution, Polident and Steradent are effective in removing the discoloration from the heat-cured acrylic resin and artificial teeth. 0.5% sodium hypochlorite solution is the most effective, Polident and Steradent are the similar.

关 键 词：义齿清洁剂 热凝基托树脂 人工牙 色差仪 电子比色仪 

分 类 号：R783.1[医药卫生—口腔医学]