Beyond Traditional Fillings: Why Bulk-Fill Composites Are Changing the Game

This review examines the impact of bulk-fill composites in restorative dentistry, highlighting their advantages over traditional resin-based materials. Conventional composites often require multiple incremental placements, increasing technique sensitivity and the risk of restoration failure. Bulk-fill composites allow for placement in single layers of 4-6mm, reducing chairside time and procedural complexity. The review discusses innovations in formulation, including enhanced translucency and modifications in photoinitiators that support effective polymerization. Key properties such as microhardness, degree of conversion, depth of cure, and polymerization shrinkage are evaluated, showing that high-viscosity bulk fills can achieve hardness comparable to conventional composites. Various commercially available products are assessed for their clinical performance. The review ultimately emphasizes the growing acceptance of bulk-fill composites as reliable alternatives, advocating for continued research to enhance clinician confidence in their application and effectiveness in deep cavity restorations. Keywords: Bulk fill composites, posterior composites, incremental composite placement, tooth colored restoratives, polymerisation shrinkage, degree of conversion, depth of cure