7 3- Rapid screening methods (in dental clinic) a. Dextrostix: to detect blood glucose b. Clinistix: is a method to detect glycosuria by the patient 4- Oral Glucose tolerance test ▪ Fasting blood sample is taken ▪ 75 gm of sugar given orally ▪ Blood samples are taken at half hour intervals for 2 – 3 hours. - Normal blood glucose should be less than 180 mg/dl after 1 hour, and return to normal after 2 hours. 5- Urinary glucose ▪ When glucose serum exceeds 160 – 180 mg/dl, glucose may appear in urine. ▪ Glycosuria may follow a heavy meal in normal persons. 6- Glycosylated hemoglobin (reflects blood sugar level in the last three months) ▪ < 6% it is normal, patient is not diabetic ▪ 7 – 9% patient is controlled ▪ > 13% patient is not controlled