TY - BOOK AU - Mohamed Said Mohamed AU - Jylan Fouad Elguindy , AU - Omneya Abdelhamid Elshehy , TI - Reliability of ceramic surface protection during two bleaching systems / PY - 2013/// CY - Cairo : PB - Mohamed Said Mohamed , KW - Ceramic surface KW - Prosthodontics KW - Two bleaching systems N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics; Issued also as CD N2 - This study determined the reliability of ceramic surface protection against the effect of a manufacturer's proposed bleaching protocol on the surface roughness and color stability. A total of 40 ceramic discs were constructed (12mm color diameter X 2mm thickness) according to manufacturer's instructiions; 20 discs of each material: hydrothermal low fusing ceramic UR - http://172.23.153.220/th.pdf ER -