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In this paper were realized some researches concerning the grinding process of plates used by the sintering process DMLS. This plates are used in Direct Metal Laser Sintering process like support necessary for the powder deposing and for the final pieces realized by sintered process. The material used in DMLS process necessary for dental crowns manufacturing is a Co-Cr alloy. Co-Cr alloy is a super stainless steel with good mechanical and corrosion resistance. The material used for plates is a Fe-15%Cr martensitic...