| LPS | Lipopolysaccharide |
| AHA | American Heart Association |
| OPT | Orthopanoramic radiograph |
| PPD | Probing Pocket Depth |
| BOP | Bleeding on Probing |
| VPI | Visible Plaque Index |
| CAL | Clinical Attachment Loss |
| CEJ | Cementoenamel junction |
| PCR | Polymerase Chain Reaction |
| SD | Standard deviation |
| iqr | Interquartile range |
| ANOVA | One-way analysis of variance |
| P. gingivalis | Porphyromonas gingivalis |
| P. intermedia | Prevotella intermedia |
| T. denticola | Treponema denticola |
| T. forsythia | Tannerella forsythia |
| A. actinomycetemcomitans | Aggregatibacter actinomycetemcomitans |
| A. naeslundii | Actinomyces naeslundii |
| S. mutans | Streptococcus mutans |
| S. periodonticum | Streptococcus periodonticum |
| S. sinensis | Streptococcus sinensis |
| S. infantis | Streptoccoccus infantis |
| S. parasanguinis | Streptococcus parasanguinis |
| F. nucleatum | Fusobacterium nucleatum |
| F. periodonticum | Fusobacterium periodonticum |
| P. pasteri | Porphyromonas pasteri |
| A. segnis | Aggregatibacter segnis |