| Microorganism |
MIC50
(μg/ml) |
MIC90
(μg/ml) |
Range
(μg/ml) |
Antimicrobial |
Reference |
| Porphyromonas endodontalis |
0.03 |
2 |
≤0.03 － 2 |
Clindamycin (Cleocin)  |
818 |
| Porphyromonas endodontalis |
0.032 |
0.5 |
0.016 － 0.5 |
Amoxicillin-clavulanic acid (Augmentin) |
1544 |
| Porphyromonas endodontalis |
0.032 |
>256 |
0.016 － >256 |
Clindamycin (Cleocin) |
1544 |
| Porphyromonas endodontalis |
0.06 |
0.25 |
≤0.015 － 0.25 |
Amoxicillin-clavulanic acid (Augmentin) |
818 |
| Porphyromonas endodontalis |
0.06 |
0.5 |
≤0.06 － >8 |
Levofloxacin (Levaquin, Quixin) |
818 |
| Porphyromonas endodontalis |
0.062 |
0.062 |
0.06 － 0.12 |
Meropenem (Merrem) |
1479 |
| Porphyromonas endodontalis |
0.062 |
0.062 |
0.06 － 0.25 |
Imipenem |
1479 |
| Porphyromonas endodontalis |
0.062 |
0.062 |
0.06 － 0.25 |
MK-826 |
1479 |
| Porphyromonas endodontalis |
0.125 |
0.5 |
≤0.03 － 1 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
818 |
| Porphyromonas endodontalis |
0.125 |
1 |
0.064 － 4 |
Moxifloxacin (BAY 12-8039, Avelox) |
1544 |
| Porphyromonas endodontalis |
0.125 |
4 |
≤0.03 － 4 |
Metronidazole (Flagyl) |
818 |
| Porphyromonas endodontalis |
0.125 |
>32 |
0.016 － >32 |
Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) |
1544 |
| Porphyromonas endodontalis |
0.25 |
2 |
0.06 － 4 |
Tetracycline (Sumycin, Achromycin V, Steclin) |
818 |
| Porphyromonas endodontalis |
0.25 |
4 |
0.032 － 16 |
Doxycycline (Doxycycline hyclate, Doxy, Vibra, Vibramycin) |
1544 |
| Porphyromonas endodontalis |
>0.25 |
>32 |
≤0.03 － >32 |
Cefalexin (Keflex) |
818 |
| Porphyromonas endodontalis |
0.5 |
1 |
≤0.5 － >8 |
Ciprofloxacin (Cipro, Ciproxin, Ciprobay) |
818 |
| Porphyromonas endodontalis |
0.5 |
16 |
0.25 － >32 |
Levofloxacin (Levaquin, Quixin) |
1544 |
| Porphyromonas endodontalis |
1 |
1 |
1 － 4 |
Cefoxitin (Mefoxin) |
1479 |
| Porphyromonas endodontalis |
1 |
1 |
1 － 256 |
Ceftriaxone (Rocephin) |
1479 |
| Porphyromonas endodontalis (ATCC 35406) |
- |
- |
4 － ? |
Amoxicillin (Novamox, Amoxil) |
1458 |
| Porphyromonas endodontalis (ATCC 35406) |
- |
- |
4 － ? |
Doxycycline (Doxycycline hyclate, Doxy, Vibra, Vibramycin) |
1458 |
| Porphyromonas endodontalis (pH 7.0) |
0.125 |
0.25 |
≤0.03 － 0.25 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
818 |
| Porphyromonas endodontalis (pH 7.0) |
0.125 |
2 |
≤0.03 － 2 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
818 |
| Porphyromonas endodontalis (pH 8.0) |
0.03 |
1 |
≤0.03 － 1 |
Erythromycin (E-mycin, Ery-tab, Benzamycin) |
818 |
| Porphyromonas endodontalis (pH 8.0) |
0.06 |
0.25 |
≤0.03 － 0.25 |
Azithromycin (Zithromax, Sumamed, Zitrocin) |
818 |