By Marcos Vargas, BDB, DDS, MS & Kayla E. Erps, Senior Dental Student, University of Iowa
While restoring the posterior dentition, natural proximal contours, contact size, position and shape are integral to the function and longevity of both the restoration and remaining tooth structure. Composite dentistry has progressed to the point where restorations disappear into the surrounding tooth structure yet despite considerable improvements in both technique and materials, inconsistent results continue to be a challenge for many clinicians.