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Gram staining characters observed in calculus samples.
| Group A | Group B | ||||||
|---|---|---|---|---|---|---|---|
| Highly Mineralized | Moderately Mineralized | Less Mineralized | Gingivitis | Periodontitis | |||
| Total samples | 30 | 30 | 10 | 10 | 10 | 15 | 15 |
| Mixed organisms | 19 | 16 | 5 | 7 | 4 | 8 | 8 |
| Gram positive cocci | 4 | 4 | 3 | 1 | 0 | 0 | 4 |
| Gram negative bacilli | 7 | 7 | 0 | 2 | 5 | 6 | 1 |
| No organisms | 0 | 0 | 2 | 0 | 1 | 1 | 2 |
