Severity of chronic periodontitis and long-term effect of its surgical treatment in type 1 and type 2 diabetic patients

[...]. Aim of the study. Aim of the study. The aim of the study was to examine the relationship between periodontal status and diabetes mellitus and the effect of surgical periodontal treatment on the periodontal health and on glycaemia control of type 1 (T1DM) and type 2 (T2DM) diabetic patients. Objectives of the study: 1). To examine and to compare the periodontal status of type 1 and typr 2 diabetic patients. 2) To determine the relationship between the periodontal status and duration of diabetes mellitus, glycaemia control and type of diabetes in relation to the age of diabetic patients. 3) To determine the prognosis of severe periodontitis according to the parameters of periodontal status and diabetes mellitus. 4) To estimate the long-term (up to 12 months) effect of surgical periodontal treatment on the periodontal status of type 1 and type 2 diabetic patients in comparison with the non-diabetic control pairs. 5) To evaluate the long-term (up to 12 months) effect of surgical periodontal treatment on the glycaemia control of type 1 and type 2 diabetic patients. [...]