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ORIGINAL RESEARCH Table of Contents   
Year : 2017  |  Volume : 28  |  Issue : 2  |  Page : 144-150
Evaluation of gingival blood as a minimally invasive screening tool for diabetes mellitus among 40–59-year-old adults in dental clinics: Across-sectional study

Department of Public Health Dentistry, Meenakshi Ammal Dental College and Hospital, Chennai, Tamil Nadu, India

Correspondence Address:
Indumathi K Partheeban
Room No. 4, Department of Public Health Dentistry, Meenakshi Ammal Dental College and Hospital, Chennai - 600 095, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijdr.IJDR_304_16

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Objective: To evaluate a quick, safe, and minimally invasive method to screen for diabetes using gingival blood with the help of self-monitoring glucometer during periodontal examination. Materials and Methods: A hospital–based, cross-sectional comparative study was conducted among 40–59-year-old diabetic and nondiabetic population who had come for their master health examination to a private tertiary care hospital(Global Hospital and Health City) in Chennai. Among them, those who fulfilled the inclusion criteria were selected for the study. Thirty diabetic and thirty nondiabetic patients with moderate to severe gingivitis were enrolled and subjected to routine clinical periodontal examination. Blood samples of two sites were analyzed using a glucose self-monitoring device(Accu-Check). Patients were tested for venous fasting blood sugar(VFBS), venous postprandial blood sugar(VPPS), gingival fasting blood sugar(GFBS) level, gingival postprandial blood sugar(GPPS) level, peripheral fingerstick fasting blood sugar(PFBS) level, and peripheral fingerstick postprandial sugar(PPPS) level. Data obtained were statistically analyzed using Student's t-test, ANOVA, and Pearson's correlation test. Results: A significant positive correlation was found between GFBS and VFBS, GFBS and PFBS, GPPS and VPPS, and GPPS and PPPS (P < 0.01) in both diabetic and nondiabetic patients correlation. Using venous blood glucose level as a gold standard, the sensitivity and specificity of GFBS was 93% and 100%, respectively, whereas in GPPS, the sensitivity and specificity was 80% and 96%, respectively. Conclusion: Gingival blood glucometry can be used as a minimally invasive screening tool for diabetes mellitus in dental clinics.

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