Periodontitis: Consensus report of workgroup 2 of the 2017 World Workshop on the Classification of Periodontal and Peri‐Implant Diseases and Conditions

Columbia University, Universidad Complutense de Madrid, Ege University, Birmingham City University, University College Birmingham, University of Birmingham, Guarulhos University, Rutgers, The State University of New Jersey, Education University of Hong Kong, University of Hong Kong, Boston University, University of Michigan, University of Pisa, University of Louisville, Durect (United States), University of Bonn, University of Pennsylvania, University at Buffalo, State University of New York, Universitätsmedizin Greifswald, Universität Greifswald, The Ohio State University, Academic Center for Dentistry Amsterdam, Vrije Universiteit Amsterdam, University of Amsterdam, Rambam Health Care Campus, Peking University, University of Geneva, University College London, University of North Carolina at Chapel Hill, The University of Queensland