Diabetes mellitus (DM) is defined as a group of metabolic diseases characterized by hyperglycemia resulting from defects in either insulin secretion, insulin action, or both.Diabetes mellitus is classified as Type I diabetes mellitus , Type II diabetes mellitus, gestational diabetes and other specific types.It is associated with high morbidity due to complications,such as retinopathy, nephropathy, neuropathy, and cardiovascular disease.Oral manifestations of diabetes include gingivitis, periodontitis, recurrent periodontal abscess,dry socket, oral candidiasis, xerostomia, glossodynia and...