Periodontal Diseases 38 Periodontics 15 Periodontitis 11 therapy 10 Arthritis, Rheumatoid 7 surgery 4 Chronic Periodontitis 3 Dental Care 3 Mouthwashes 3 Periodontal Ligament 3 analysis 3 microbiology 3 therapeutic use 3 Cytokines 2 Dental Caries 2 Peri-Implantitis 2 epidemiology 2 etiology 2 Acid Etching, Dental 1 Anti-Citrullinated Protein Antibodies 1 Anti-Infective Agents 1 Anti-infective agents 1 Antibodies 1 Antibody Formation 1 Autoantibodies 1 Bacteria 1 C-Reactive Protein 1 Calcium Sulfate 1 Composite Resins 1 Connective Tissue Cells 1