ST is Zirdent's uncoloured, high-strength zirconia disc. It is milled in white, and the technician sets the final shade with colouring liquid, using Zirdent's 16-shade or 26-shade system. The page gives a flexural strength of 1200 MPa and a translucency of 43%.
Indications
Zirdent lists anterior copings and 3-unit coping bridges, posterior full-contour crowns and 3-unit bridges, full-contour zirconia bridges of more than four units, and inlays.
Formats
ST comes in 98 mm, 95 mm and 92 × 75 mm formats, from 10 to 25 mm thick.
