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J Int Acad Periodontol. 2004 Oct;6(4 Suppl):160-5.

Periodontal treatment by Arestin and its effects on glycemic control in type 1 diabetes patients.

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  • 1Department of Oral Medicine and Periodontology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia.


Studies indicate that a dual pathway between diabetes mellitus and periodontal disease exists. Elimination of periodontal infection by using systemic antibiotics in conjunction with scaling and root planing (SRP) improved metabolic control in diabetic patients, as defined by reduction in glycated haemoglobin or reduction in insulin requirements (Grossi and Genco, 1998). The aim of this randomised pilot clinical trial was to determine if type 1 diabetes patients with periodontitis will experience a reduction in HbA1c levels when treated with locally delivered minocycline microspheres (Arestin) as an adjunct to scaling and root planing. Twenty adult patients with poorly controlled diabetes (HbA1c 7.5%) and adult periodontitis, as determined by the presence of four teeth with 5 mm periodontal pockets, two of which had 6-9 mm pockets and bleeding on probing, were included in the study. All patients received full mouth SRP at baseline. Arestin was administered to all pockets > or => or = 5 mm at baseline and again at 12 weeks in the test group. Probing depth (PD), clinical attachment level (CAL), plaque index (PI), gingival index (GI), and HbA1c were evaluated at baseline and at weeks 6, 12, 18 and 24. The results demonstrated that local administration of Arestin as an adjunct to scaling and root planing is significantly more effective in reducing probing depths and providing a gain in clinical attachment levels than scaling and root planing alone in type 1 diabetic patients. Hb1Ac was reduced in all patients; however the difference between the test and control groups was not significant.

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