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Year : 2008  |  Volume : 20  |  Issue : 1  |  Page : 9-13

Comparison of serum glucose and salivary glucose in diabetic patients

1 Department of Oral Medicine & Radiology, I.T.S. Centre for Dental Studies and Research, Delhi-Meerut Road, Murad Nagar, Ghaziabad, India
2 Department of Oral Medicine & Radiology, U.P. Dental College, Lucknow, India
3 Department of Oral Medicine & Radiology, M.M. College of Dental Sciences & Research, Mullana (Ambala), Haryana, India

Correspondence Address:
Department of Oral Medicine and Radiology, ITS Centre for Dental Studies and Research, Delhi-Meerut Road, Murad Nagar, Ghaziabad-201 206, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-1363.44354

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Background and Objectives: The importance of saliva for oral health is well known. Diabetes mellitus affects the salivary gland functioning and thus alters the salivary constituents. For many years the question of the presence of glucose in saliva has been a subject of debate and only few people found correlation between serum glucose and salivary glucose in diabetics. Hence, the purpose of this study was to estimate and correlate salivary glucose concentration and serum glucose concentration in diabetics and healthy controls. Materials and Methods: 60 newly diagnosed diabetic patients and 60 age and sex matched control subjects were included in the study. Blood and saliva samples from both the groups were collected at least two hours after the breakfast. The samples were centrifuged and subjected to glucose analysis using Semiautoanalyzer (BioSystems BTS-310 Photometer). For experimental group, the samples were collected again after the control of diabetes mellitus. The statistical comparisons were performed using paired and unpaired t -test. Results: A highly significant correlation was found between salivary glucose and serum glucose before the treatment and also after the control of diabetes. The correlation between salivary glucose and serum glucose was also highly significant in controls. The levels of salivary glucose did not vary with age and sex. Conclusion and Interpretation: As there was significant correlation between salivary glucose and serum glucose, salivary glucose holds the potential of being a marker in diabetes. Further, it has an added advantage of being non-invasive procedure with no need of special equipments and with fewer compliance problems as compared with collection of blood.

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