This review of the effect of finish lines on the marginal and internal fit of ceramic crowns included 16 small in-vitro studies suggesting wider marginal gaps with chamfer finish lines.
[read the full story...]
This review of endocrown restorations identified 8 studies only 3 of which were clinical. These 3 clinical studies were very small and two of them were retrospective providing very low quality evidence to support their effectiveness.
[read the full story...]
This review pulls together 117 studies on biological parameters, preparation geometry, and technical conditions of crown preparation. However only 23 of the studies are clinical providing limited evidence for crown preparation.
[read the full story...]
This review of tooth preparation for crowns focuses mainly on the total occlusal convergence angle (TOC). The traditionally recommended 2-4 degree TOC was seen to be unachievable in the clinical situation.
[read the full story...]