HeyTec bulk fill UD is a flowable composite material for direct fillings in permanent and deciduous posterior teeth using the bulk fill technique. Features: - Up to 4 mm layers. - Universal dentin shade with a "Chameleon" effect. - Optimal ratio of flowability to elasticity. - Excellent physical and mechanical properties. - High radiopacity (210% Al). Benefits: - Highly efficient handling saves time. - Excellent adaption to cavity bottom and walls. - High-quality, long-lasting posterior restorations. - Perfect visual control. - Optimized biocompatibility.