The viscoelastic behavior of dental adhesives: a nanoindentation study. Dent Mater. 2009 Jan;25(1):13-9 Authors: Sadr A, Shimada Y, Lu H, Tagami J Abstract OBJECTIVES: In order to predict the long-term performance of dental adhesives, it is necessary to understand their mechanical properties. The objective of this study was to use a new nanoindentation technique to …