16.Role of dental calculus.ppt 13.Aggressive Peridontitis.pptx 14.HIV and periodontium.pptx 10.Pathological migration.ppt 19.periodontal microbiology.ppt 15.Gingival Inflammation.pptx 12.Chronic Periodontitis.pptx 6.desquamative gingivitis.ppt 3.gingival enlargement.ppt 7.Bone loss n patterns of bone destruction.pptx 11.Aging and periodontium.ppt 
