3M Filtek Z 250 universal restorative is anesthetic, light-cured, radiopaque composite specifically designed for use in both anterior and posterior direct or indirect restorations. Universal restorative Z 250 Filtek bonding action to the tooth structure is accomplished by using a dental adhesive system, such as 3M Single Bond Dental Adhesive or 3M Scotchbond Multi-Purpose Adhesive dental cosmetic supplies. Looking for nanocomposite from 3M? We have those as well. Packed in one - 4g Syringe refill.