الفهرس 
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Abstract
The severity of that - Seram new material used in combinations of ceramic work only with the use of new properties , which necessitated the search.
This study has addressed the assessment of surface roughness and bending strength especially the ( - Seram ) and linking the relationship between them and using several variables:
1 - two different types of glazing has used the paste surface samples :
- Type I : It is the added refinement
- Type II: The abyss of self - refinement .
2 - and also two different types of diamond stones used for grinding the surface have been studied :
- First : a diamond stone that you never use the (new) .
- Second : Diamond is the stone that has already been used ( user ) .
3 - Finally, three different types of re- refined ’ve tested a surface polishing , re- polishing and re- polishing added self .
Spaum of samples in the form of tablets had been manufactured and were divided into two equal groups main each containing thirty-five of the disk that - Seram polished Lama added refinement or self - refinement .
A recent random five tablets from each major group to represent types Almokhtfattinmn the refinement was isolated to be used Kmujmootain the the.
Again re - division of the two main groups as used to study both of which consist of thirty tablets into two subgroups each of which represents different kind of diamond stone used for grinding the surface either unused ah user .
Finally, each of the subtotals may Quartz Other divided into three branches each branch contains five discs , which may re - refine the surface Alcilh either Baltlmaa or re- refined or added to restore self - refinement .