Hend Sayed Ahmed Hasan <br/><br/>
Effect of non-peroxide bleaching agents on color change and hardness of human enamel /  
 تأثير عناصر التبييض الغير محتواه على البروكسيد على تغيرات اللون و الصلادة للمينا السنى الادمى 
Hend Sayed Ahmed Hasan ; Supervised Mona Ismail Riad , Asmaa Ali Yassen 
 - Cairo :   Hend Sayed Ahmed Hasan ,   2013 
 - 94 Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Operative Dentistry 
<br/><br/> The aim of this study was to investigate the effect of non-peroxide bleaching agents on color change, microhardness and surface topography of enamel surface in comparison with peroxide based bleaching agents. A total of forty teeth were used in this study. Teeth were divided into two equal groups of twenty teeth each according to the bleaching agent used either in-office or at-home bleaching 
<br/><br/>
<br/><br/><label>Subjects--Index Terms: </label>Bleaching techniques Non peroxide agents Peroxide agents