3M™ ESPE™ Filtek™Z350XT Universal Restorative is a visible light-activated composite designed for use in anterior and posterior restorations. All shades are radiopaque. A dental adhesive, such as those manufactured by 3M ESPE, is used to permanently bond the restoration to the tooth structure. The restorative is available in a wide variety of Dentin, Body ,Enamel and Translucent shades. It is packaged in syringes and single-dose capsules.
Indications for Use Filtek Z350 XT restorative is indicated for use in: •Direct anterior and posterior restorations (including occlusal surfaces) •Core build-ups •Splinting •Indirect restorations (including inlays, on lays and veneers) Composition The resin system is slightly modified from the original Filtek™ Z250 Universal Restorative and Filtek™ Supreme Universal Restorative resin. There sin contains bis-GMA,UDMA, TEGDMA, and bis-EMA(6) resins .To moderate the shrinkage ,PEGDMA has been substituted for aportion of the TEGDMA resin in Filtek Supreme XT restorative. The fillers area combination of non-agglomerated/non-aggregated 20 nm silica filler, non-agglomerated/non-aggregated 4 to 11 nm zirconia filler ,and aggregated zirconia/silica cluster filler (comprised of 20 nm silica and 4 to 11 nm zirconia particles).The Dentin, Enamel and Body (DEB) 3 shades have an average cluster particle size of 0.6 to 10 microns. The Translucent (T) 4 shades have an average cluster particle size of 0.6 to 20 microns. The in organic filler loading is about 72.5% by weight (55.6% by volume) for the Translucent shades and 78.5% by weight(63.3% by volume)for all other shades.