Long-term regional bond strength of three MMA-based adhesive resins in simulated vertical root fracture. Dent Mater J. 2011 Sep 23; Authors: Nurrohman H, Nikaido T, Sadr A, Takagaki T, Kitayama S, Ikeda M, Waidyasekera K, Tagami J Abstract The purpose of this study was to investigate bond durability of MMA-based adhesives to root dentin in …