TY  - BOOK
AU  - Sara Hassan Elbanna
AU  - Nahed Abdelsalam Khalil , 
AU  - Zoba Hassan Ali , 
TI  - A comparative study of home and in - office bleaching procedures on human enamel color , microhardness and ultrastructure using whitesmile bleaching agents / 
PY  - 2012///
CY  - Cairo : 
PB  - Sara Hassan Elbanna , 
KW  - Bleaching
KW  - Hydrogen peroxide
KW  - Microhardness
N1  - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral Biology; Issued also as CD
N2  - The aim of this study was to investigate the effect of two different bleaching procedures , home and in - office bleaching using Whitesmile products on enamel ultrastructure , the microhardness of human treated enamel and the color of teeth . Twenty extracted sound and healthy human premolars were collected . Since they may differ in many properties as the enamel thickness , there was standardization through the use of the same tooth to be investigated before and after bleaching
UR  - http://172.23.153.220/th.pdf
ER  -