I-SHT yethu ye-multilayer zirconia block cerec iyahambisana nezinhlobo ezahlukene zesistimu ye-CAD/CAM kanye nesistimu yezandla, njengesistimu ye-Zircon, isistimu ye-sirona Inlab, isistimu ye-Kavo, isistimu ye-Amann Girrbach, nesistimu ye-Porland, njll.