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美白牙膏去除牙外源性色斑的八周效果观察

摘要 目的:评价含有1%焦磷酸钠、7%三聚硫酸钠、0.243%氟化钠及10%高清洁二氧化硅的牙膏减少外源性牙色斑的效果。方法:采用双盲、分层、二单位平行观察的临床研究方法。根据改良Lobene色斑指数(Lobene stain index method)均数、性别、吸烟习惯将91名年龄为18~55岁的研究对象平衡地分为两组,随机地分配使用试验或对照牙膏。于基线、第4周及第8周固定由一名检查者完成研究对象的色斑指数测定。结果:86人完成了该研究。8周临床研究表明,使用美白牙膏的研究对象较对照组的牙齿色斑指数均数降低了37.1%(P=0.0001)。结论:与对照组牙膏相比,使用含有1%焦磷酸钠、7%三聚硫酸钠、0.243%氟化钠及10%高清洁二氧化硅的牙膏可以有效地减少牙外源性色斑。

The Efficacy on Natural Extrinsic Stain of Colgate Whitening Dentifrice——Eight-week Study

Hu Deyu, Pang Ruoyu

College of Stomatology, West China University of Medical Sciences

Se Xiaoqing

Health Shool, Yibin

Lei Delun

Outpatient Department of Stomatology, Ziyang

Volpe AR, DeVizio W, Petrone ME, et al

Clinical Dental Research Department, Colgate Palmolive Technology Center

Abstract Objective:To assess the effect on natural extrinsic dental stain by use of a dentifrice containing 1% tetrasodium polyphosphate (TSPP), 7% sodium tripolyphosphate (STPP),0.243% sodium fluoride and 10% high cleaning silica (HCS) over an eight-week period was compared to a sodium fluoride/silica placebo dentifrice without stain removal ingredients.Methods: Ninety one subjects were selected and stratified into two balanced groups randomly assigned to use the test dentifrice or the placebo dentifrice. Th

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