| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Porphyromonas gingivalis |
0.25 |
0.5 |
0.06 － 2 |
Gatifloxacin (Tequin)  |
1466 |
| Porphyromonas gingivalis |
0.25 |
0.5 |
0.125 － 1 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
1460 |
| Porphyromonas gingivalis |
0.25 |
2 |
0.06 － 4 |
Tetracycline (Sumycin, Achromycin V, Steclin) |
818 |
| Porphyromonas gingivalis |
>0.25 |
>32 |
≤0.03 － >32 |
Cefalexin (Keflex) |
818 |
| Porphyromonas gingivalis |
0.5 |
0.5 |
0.03 － 2 |
Moxifloxacin (BAY 12-8039, Avelox) |
1466 |
| Porphyromonas gingivalis |
0.5 |
0.5 |
<=0.125 － 1 |
Amoxicillin-clavulanate |
1469 |
| Porphyromonas gingivalis |
0.5 |
1 |
0.03 － 1 |
Moxifloxacin (BAY 12-8039, Avelox) |
1469 |
| Porphyromonas gingivalis |
0.5 |
1 |
≤0.5 － >8 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
818 |
| Porphyromonas gingivalis |
1 |
1 |
0.06 － 2 |
Trovafloxacin (Trovan) |
1469 |
| Porphyromonas gingivalis |
1 |
1 |
<=0.125 － 8 |
Levofloxacin (Levaquin, Quixin) |
1469 |
| Porphyromonas gingivalis |
1 |
1 |
1 － 4 |
Cefoxitin (Mefoxin) |
1479 |
| Porphyromonas gingivalis |
1 |
1 |
1 － 256 |
Ceftriaxone (Rocephin) |
1479 |
| Porphyromonas gingivalis |
1 |
2 |
<=0.0125 － 4 |
Quinupristin/Dalfopristin (Synercid) |
1466 |
| Porphyromonas gingivalis |
1 |
2 |
<=0.125 － 2 |
Metronidazole (Flagyl) |
1466 |
| Porphyromonas gingivalis |
1 |
2 |
0.25 － 2 |
Linezolid (PNU-100766, U-100766, Zyvox) |
1466 |
| Porphyromonas gingivalis |
1 |
2 |
0.25 － 4 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
1469 |
| Porphyromonas gingivalis |
2 |
4 |
<=0.125 － 4 |
Metronidazole (Flagyl) |
1469 |
| Porphyromonas gingivalis |
2 |
16 |
<=0.06 － >16 |
Teicoplanin (Targocid) |
1466 |
| Porphyromonas gingivalis |
>16 |
>16 |
1 － >16 |
Vancomycin (Vancocyn, Lyphocin) |
1466 |
| Porphyromonas gingivalis |
- |
- |
<=0.016 － ? |
Clindamycin (Cleocin) |
1474 |
| Porphyromonas gingivalis |
- |
- |
<=0.016 － ? |
Doripenem (Doribax) |
1474 |
| Porphyromonas gingivalis |
- |
- |
<=0.016 － ? |
Ertapenem (Invanz) |
1474 |
| Porphyromonas gingivalis |
- |
- |
<=0.016 － ? |
Imipenem |
1474 |
| Porphyromonas gingivalis |
- |
- |
<=0.016 － ? |
Meropenem (Merrem) |
1474 |
| Porphyromonas gingivalis |
- |
- |
<=0.125 － ? |
Amoxicillin-clavulanate |
1474 |
| Porphyromonas gingivalis |
- |
- |
<=0.125 － ? |
Ceftriaxone (Rocephin) |
1474 |
| Porphyromonas gingivalis |
- |
- |
<=0.125 － ? |
Metronidazole (Flagyl) |
1474 |
| Porphyromonas gingivalis |
- |
- |
<=0.125 － ? |
Piperacillin-Tazobactam (Zosyn) |
1474 |