TY  - BOOK
AU  - Hend Sayed Ahmed Hasan
AU  - Asmaa Ali Yassen , 
AU  - Mona Ismail Riad , 
TI  - Effect of non-peroxide bleaching agents on color change and hardness of human enamel / 
PY  - 2013///
CY  - Cairo : 
PB  - Hend Sayed Ahmed Hasan , 
KW  - Bleaching techniques
KW  - Non peroxide agents
KW  - Peroxide agents
N1  - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Operative Dentistry; Issued also as CD
N2  - 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
UR  - http://172.23.153.220/th.pdf
ER  -