In this volume you will find manuscripts on: There will be no SciELO for the Journal of Oral Research, here are the reasons; Antimicrobial Nanoparticles in Dentistry. A fad or a real therapeutic option?; Radiographic Evaluation of Root Canal Fillings in a Selected Yemeni Population: A Retrospective Study; Detection of EBV, CMV and HSV-1 in subgingival samples of HIV positive and negative patients with chronic periodontitis and much more...