含蓝色考维林的二氧化硅牙膏实现即时牙齿美白。
Instant tooth whitening from a silica toothpaste containing blue covarine.
作者信息
Collins Luisa Z, Naeeni Mojgan, Platten Suzanne M
机构信息
Unilever Oral Care, Quarry Road East, Bebington, Wirral CH63 3JW, UK.
出版信息
J Dent. 2008;36 Suppl 1:S21-5. doi: 10.1016/j.jdent.2008.02.006.
OBJECTIVE
To measure the instant whitening effect delivered immediately after brushing with a novel silica whitening toothpaste containing blue covarine.
METHODS
A controlled, single blind, cross-over study was performed to compare the tooth colour measured in a group of subjects at baseline and immediately after brushing with a silica whitening toothpaste containing blue covarine versus a clear gel negative control toothpaste. Measurements of tooth colour were made using a mobile non-contact camera-based digital imaging system and expressed as CIELAB and WIO whiteness index.
RESULTS
Analysis of covariance (ANCOVA) showed that the silica whitening toothpaste containing blue covarine was significantly more effective than the negative control toothpaste (p < 0.05), and made teeth measurably less yellow, less red and overall whiter immediately after brushing.
CONCLUSION
A statistically significant reduction in tooth yellowness and improvement in tooth whiteness was measured immediately after brushing with a novel whitening toothpaste containing blue covarine.
目的
使用一款含有蓝色可伐林的新型二氧化硅美白牙膏刷牙后，测量其即时美白效果。
方法
进行一项对照、单盲、交叉研究，比较一组受试者在基线时以及使用含蓝色可伐林的二氧化硅美白牙膏刷牙后与透明凝胶阴性对照牙膏刷牙后牙齿颜色的测量结果。使用基于移动非接触式相机的数字成像系统测量牙齿颜色，并以CIELAB和WIO白度指数表示。
结果
协方差分析（ANCOVA）表明，含蓝色可伐林的二氧化硅美白牙膏比阴性对照牙膏显著更有效（p < 0.05），刷牙后牙齿明显变黄程度降低、变红程度降低且整体更白。
结论
使用含蓝色可伐林的新型美白牙膏刷牙后，牙齿发黄程度在统计学上显著降低，牙齿白度得到改善。
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