HT White and HT Pre-Shaded are made from the same raw material, but there are some colorants added for HT Pre-Shaded. High strength material, with high translucency, which is suitable for full anatomical crowns and bridges, but not translucent enough for anterior teeth. It is a mono-shaded block, as it has the same shade from incisal to cervical. The users should choose from the corresponding shades to match the natural teeth. It is available in thickness of 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, and 25mm.