This study was to quantify Porphyromanas gingiva/is in chronic and aggressive periodontitis patients in comparison with healthy subjects by qPCR, qPCR has been used to quantify Parphyroman as gingivalis in gingival cervical fluid in both disea~ed sites of periodontal patients and healthy sites of healthy subjects. The comparison were done in both diseased sites of chronic periodontitis patients P. gingiva lis 25.10 +/- 4.68 Cycle threshold (Ct) and healthy subjects (P. gingiva/is 33.93 +/- 3.17 Ct) respectively (p 0.05). The comparison were in both diseased sites of aggressive periodontitis patients (P. gingivalis 22.89 +/- 4.63 Ct) and healthy subjects (P. gingivalis 34.38 +/- 2.96 Ct) respectively (p 0.01). In conclusion, Porphyromonas gingiva lis was very common in both chronic and aggressive periodontitis patients (100 percent) and there was a significant difference of Porphyromonas gingivalis quantity in comparison with healthy subjects (p 0.05).
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