Syringe refill for Aura is a light cured, radiopaque, high aesthetic composite.
Features: Nonsticky – less uncured resin is used, creamy handling
Easy to polish to mirror finish
Large particles (60 microns) = high filler loading & strength
Low flexural modulus (big bonus); better fracture resistance, less stress at composite interface means less debonding
Lower polymerization shrinkage