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Distribution of study samples according to clinical signs and symptoms and presence of Porphyromonas gingivalis, Treponema denticola, and Tannerella forsythia individually or as a “Red complex”
| Clinical signs and symptoms | P. gingivalis | T. denticola | T. forsythia | Red complex |
|---|---|---|---|---|
| Pain | 09 | 16 | 16 | 05 |
| Swelling | - | 16 | 16 | 05 |
| Pus discharge | - | - | - | 06 |
| Tenderness on percussion | 02 | 05 | 02 | 03 |
| Periapical lesion | 15 | 15 | - | 10 |
