References
Diabetes mellitus: an update for the general dental practitioner
From Volume 45, Issue 8, September 2018 | Pages 750-759
Article
Diabetes is a chronic syndrome of hyperglycemia with anomalies in carbohydrate, fat and protein metabolism due to lack of insulin production, decreased cellular sensitivity to insulin or both.1,2,3 Most cases of diabetes fall within two main categories:
Diabetes is a major cause of multi-organ failure, heart attacks, blindness and nephropathy. It is an increasing public health concern and has been declared a pandemic.4 The incidence of diabetes is approximately 422 million worldwide, with 1.5 million deaths attributed to it in 2012.5
Twin studies have demonstrated that genetic susceptibility plays a vital role in the aetiology of Type II diabetes. An increased susceptibility can also be inherited in Type I diabetes, but to a lesser extent than in Type II.6 An early study found impaired glucose tolerance in 30% of subjects who were close relatives of diabetics, as opposed to 6% of subjects who had no diabetic relatives.7 The HLA-DR3 and DR4 serotypes increase an individual's susceptibility to diabetes 14-fold.8 Difference in glucose metabolism is a key factor in Type II diabetes and studies show differences amongst different races. β-cell function is thought to be inheritable.9 However, the precise role of genetics in diabetes remains indeterminate as environmental factors also play a modifying role.6
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