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J Bagh College Dentistry Vol. 21(1), 2009 Assessment of Magnesium … (sartorious 2432, maximum 200g), then digested by 4ml conc. Nitric acid and heated without boiling until the volume was reduced to about one drop lastly 4ml HNO 3 (1%) was added. Estimation of Mg and Ca was performed by direct aspiration of the prepared samples using (Perkin – Elmer 4000) atomic absorption spectrophotometer. Students (t) test and correlation test were used for statistical analysis, results were considered significant when P
J Bagh College Dentistry Vol. 21(1), 2009 Assessment of Magnesium … immune disturbance could be the cause of these results may be considered true but further explorations are needed to confirm this hypothesis. Table 1: The histopathological presentation of the patients. Histopathological diagnosis Frequency Male Female Total Squamous all carcinoma (well, moderately , poorly differentiated, invasive and verrucous) 11 13 24 Rhabdomyosarcoma 01 02 03 Adenocarcinoma 00 02 02 Malignant melanoma 02 00 02 Fibrosarcoma 00 01 01 Mucoepidermoid carcinoma 00 01 01 Total 14 19 33 Table 2: Ca and Mg status in lymphocytes (mg/mm 3 ) of patients Male No. Female No. Total No. Normal No. Ca 1.755±0.780 7 5.282±3.401 12 3.983±3.214 19 2.6±1.4 18 Mg 2.206±2.975 8 3.035±1.952 12 2.598±2.364 20 2.01±0.21 18 The results are expressed in (mg/mm 3 ) as mean – SD of number of cases Table 3: Ca and Mg status in healthy and diseased tissues of both males and females. The element Sex Healthy tissue Diseased tissue No. Ca Male 0.584±0.526 0.369±0.282 11 Female 1.796±2.969 0.628±1.228 15 Mg Male 0.228±0.283 0.145±0.120 11 Female 0.854±1.577 0.247±0.599 15 The results are expressed in (mg/mg) as (Mean–SD) of number of cases Table 4. The relationship between lymphocytes (µg/mm 3 ) and tissue (µg/mg) Mg in patients with oral cancer. Sex r t p df N Male 0.1689 0.5141 o.620 9 11 Healthy vs diseased tissue Female 0.721 3.759 0.002* 13 15 Male 0.806 2.361 0.099 3 5 Lymphocytes vs healthy tissue Female -0.0625 0.165 0.873 7 9 Male -0.601 1.304 0.283 3 5 Lymphocytes vs diseased tissue Female -0.114 0.305 0.769 7 9 Table 5: The relationship between lymphocytes (mg/mm3) and tissue (mg/mg) Ca in patients with oral cancer Sex R t p df N Male 0.2334 0.720 o.490 9 11 Healthy vs diseased tissue Female 0.749 4.685 0.001* 13 15 Male 0.3534 0.654 0.560 3 5 Lymphocytes vs healthy tissue Female 0.5441 1.715 0.130 7 9 Male -0.422 0.806 0.479 3 5 Lymphocytes vs diseased tissue Female 0.521 1.617 0.150 7 9 REFERENCES 1. Aikawa JK. Magnesium: Its biologic significance CRC press, Boca Raton F, FL. 1981. 2. Shils ME. Experimental human magnesium depletion. Medicine 1969; 48: 61. 3. Gullestad L, Nes M, Ronneberg R. Magnesium status in healthy free living elderly. J Am Coll Nutr 1994; 13: 45 -50. 4. Tietz A, Burtis AC, Ashwood ER. Trace elements. Textbook of clinical chemistry. 4 th addition. A division of hart court base and Company. Philadelphia London. 1994; 1137–62. Oral diagnosis 68
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