NRD RUHS ARTICLE - JUL - Dec 2021 Tobacco Usage in Relation to the Anatomical Site of Oral Leukoplakia in Imphal, Manipur - An Observational Study Dr. Ankur Bhargava Original Research - Periodontal Status of Teeth in Contact with Denture in Removable Partial Denture Wearers in Hazaribag City, Jharkhand Dr. Daya Shankar Tobacco Habits and Risk of Lung, Oropharyngeal and Oral Cavity Cancer: A Population-Based Case-Control Study in Jharkhand, India Dr. Silpi Chatterjee Comparative Evaluation of the Retentive Bond Strength of Air -Abraded Zirconia Copings to Prepared Extracted Human Teeth Using Different Luting Agents – An In Vitro Study” Dr. Anuja Yadav Comparative Evaluation of Apical Extrusion of Debris Using K-Files, Protaper Next, Oneshape, Waveone and Revos: An In Vitro Study Dr. Bhupesh Yadav Respiratory Effects in Children from Exposure to Second-Hand Smoke Dr. Meet R. Ramatri A Juxtaposition of Bi-Cortical Screws and Erich’s Arch Bar for Maxillomandibular Fixture Dr. Nilesh Odedra Comparative Evaluation of the Efficacy & Pain Perception using Four Types of Orthodontic Separators Dr. Sangeeta Yadav