The relationship between diabetes mellitus and periodontal disease is not clear, even though studied intensively. From the available data, it seemed reasonable to believe that diabetics were more susceptible to periodontal disease than non.diabetics.Aim:The present study was to clinically evaluate the relationship of diabetes mellitus with periodontal disease along with various parameters.Materials and Methods:Fifteen hundred patients with diabetes mellitus were examined. A thorough oral examination was carried out and relevant history was recorded for all the patients.Results:Results indicated that the prevalence of periodontal disease in diabetic patients was 86.8%.Conclusion:It can be concluded that poorer the glycemic control, and longer the duration of diabetes, the greater will be the prevalence and severity of periodontal disease.

Background: Melatonin, a secretory product of the vertebrate pineal gland, activates several elements of the immune system that reduce tissue destruction during the infl ammatory response, either directly by scavenging free radical, reactive oxygen species and reactive nitrogen species or indirectly by modulating the action of agents such as cytokines and adhesion molecules, which contribute to the advance of cell damage. Aim: The aim of this study was to evaluate melatonin levels in saliva in periodontal health and disease. Materials and Methods: This study was conducted on a total of 20 patients with healthy periodontium and 20 patients each with mild, moderate and severe periodontitis who were patients in the Department of Periodontics, Rural Dental College and Hospital, Loni. The salivary levels of melatonin were assayed using ELISA, a competitive immunoassay using a capture antibody technique. Results: We observed that the periodontitis sufferers had a signifi cantly lower melatonin level than the healthy subjects. Conclusion: Consequently, the reduction in the saliva production with higher age and the decreased melatonin production in older adults refl ected in low salivary melatonin levels predispose these individuals to an increased risk of developing oral and periodontal disease.

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