Diabetes is a complicated chronic metabolic disease that causes many negative consequences. It affects the condition of important systems in the body as well as eyes, nerves, heart and kidneys of the person. Though the disease is so destructive, the patients are surprised when they discover one more serious complication of diabetes: deterioration of dental health. Actually, the condition features concomitant oral manifestations that harm dental issues. A study has revealed the prevalence of oral soft tissue diseases and tooth decay in diabetic group in comparison with non-diabetics.