Tetragonal zirconia polycrystal (TZP) is commonly stabilized with 3% to 5% Yttria and has the finest grain size. Since they are almost entirely tetragonal, these zirconia grades have the maximum ...

The biological reaction to some zirconia ceramics, mainly tetragonal zirconia polycrystals (3Y-TZP), has been reported in the literature. Various forms have been used including bulk materials, ...

In vivo studies have shown that chipping of the veneering porcelain is the major failure mode for zirconia dental restorations. 27,28 The TMT during aging could be a contributory factor for chipping.

Nick Timms does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...