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Despite developments in polycrystalline ceramics, glassy dental-ceramic materials provide the optimum cosmetic option in most clinical situations to mimic the natural dentition. The clinical success of glassy dental-ceramic materials is often attributed to resin-adhesive bonding techniques. In this study we explore whether shrinkage stresses generated on photo-polymerisation of the resin-cement are...
To develop a novel methodology to generate specimens for bi-axial flexure strength (BFS) determination from a ‘chair-side’ CAD–CAM feldspathic ceramic with surface defect integrals analogous to the clinical state. The hypotheses tested were: BFS and surface roughness (R a ) are independent of machining variability introduced by the renewal or deterioration of form-grinding tools and that a...
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