Abstract
Aim: Saliva play a diagnostic tool for oral and systematic diseases has multiple advantages over other body fluids especially . The aim of this study was to explore the potential of salivary glucose as a marker in diagnosis and monitoring of diabetes mellitus using glucoseoxidase method, and as a non-invasive method replacing an invasive blood glucose estimation method. Materials and methods: Fasting blood and unstimulated whole saliva were collected from 50 controls, 50 newly diagnosed diabetics, and 50 diabetics under treatment. Blood and salivary glucose were analyzed in the samples by glucose-oxidase method. Results: The mean level of salivary glucose was reported to be 0.53 ± 0.4mg/dl in controls, 1.14 ± 1.55mg/dl in newly diagnosed diabetics, and 1.22 mg/dl ± 1.99 in diabetics under treatment. Conclusion: The mean level of salivary glucose in diabetics was significantly higher than that in non-diabetics. A positive, linear and significant, yet weak correlation between salivary and blood glucose suggests some potential for saliva as a marker in diagnosis and monitoring of diabetes mellitus.
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