Abstract:Objective: To compare the compressive strength of three types of commercial lithium disilicate ceramics. Methods: Three groups of lithium disilicate ceramics (IPS e.max Press, Vintage LD Press, and Celtra Press) total of twelve cylindrical specimens (diameter 4 mm x length 6 mm) were produced by laboratory processing. The compressive strength was conducted using Shimad-zu universal testing machine with load cell F 50 kN, cross head speed of 1 mm/s. Micromorphology were observed using scan-ning electron microsc… Show more
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