The influence of diabetes mellitus has its effect on general health including the oral health. Among all the systemic conditions, diabetes is the strongest risk factor for periodontitis, leading to increase prevalence, severity, and progression of the disease. Periodontal disease is considered to be the sixth complication of diabetes. The diabetic state impairs the gingival fibroblast synthesis of collagen and glycosaminoglycan, enhances crevicular fluid collagenolytic activity, results in the loss of periodontal fibres, loss of the alveolar supporting bone, loosening and finally exfoliation...