| 摘要 |
<p>The invention provides a composition for whitening teeth, using a non-peroxide ionic bleaching compound. The compositions are made into various consistencies and forms such as pastes, gels, or solutions such that they can be placed in contact with teeth or a dentrifice to be treated. Ions and radicals in the materials penetrate into the tooth structure and cause a whitening effect both on the surface and below the surface. A method for whitening teeth by providing a bleaching agent or compositions to teeth or a dentrifice to be treated is also provided.</p> |
