Resins and Amalgams - pros and cons

This article does a great job comparing resins with amalgams for caries treatment: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5513465/

"The leading cause of oral pain and tooth loss is from caries and their treatment include restoration using amalgam, resin, porcelain and gold, endodontic therapy and extraction. Resin composite restorations have grown popular over the last half a century because it can take shades more similar to enamel. Here, we discuss the history and use of resin, comparison between amalgam and resin, clinical procedures involved and finishing and polishing techniques for resin restoration. Although resin composite has aesthetic advantages over amalgam, one of the major disadvantage include polymerization shrinkage and future research is needed on reaction kinetics and viscoelastic behavior to minimize shrinkage stress."...