AccessMyLibrary provides FREE access to over 30 million articles from top publications available through your library.
Create a link to this page
Copy and paste this link tag into your Web page or blog:
Drugstore aisles teem with toothpastes claiming to do everything from fighting plaque or curbing tartar to freshening breath or shielding sensitive teeth. But the most prominent claim, whitening teeth, can be misleading. The fine print reveals that most products promise to whiten by removing stains, not by lightening the base color of the teeth.
Moreover, our tests of 41 toothpastes found no correlation between those claims and stain-removing ability. Even the seven toothpastes that contain peroxide, the main bleaching ingredient in whitening strips and professional treatments, lightened or bleached out stains no better overall than other toothpastes.
We ...