John Isherwood. Clinical photography provided by Marcos Vargas, DDS, MS, professor, Department of family Dentistry, University of Iowa College of Dentistry

The development of bulk fill composites for direct posterior restorations has provided a simple and efficient alternative to conventional composites. Prior to bulk fill composite materials, to achieve successful direct posterior restorations the layering technique was the necessary procedure, requiring competence, proficiency and dexterity.