Influence of sintering protocol and translucency-enhancing liquid on the mechanical performance of anterior zirconia crowns

Within the limitations of this in-vitro study - including the use of PMMA abutments, failures during TCML, and material- and failure-specific differences - all specimens withstood forces exceeding the physiological loads expected in the anterior region. Under these conditions, TEL treatment and HS of 3Y-TZP and 4Y-TZP zirconia appear to allow the rapid fabrication of anterior crowns while maintaining their mechanical performance. As optical parameters were not assessed, any potential aesthetic implications of TEL or HS cannot be inferred.