Species (# β-lactamase+a/# isolates)	Susceptibility (%)b
	P	A/C	CX	IP	E	DA	LEV	MTZ
Viridans streptococci (0/18)	100	−	100c	100	83.3	88.8	100	−
G. morbillorum (0/5)	100	−	100	100	100	100	100	100
Actinomyces sp. (0/35)	97.1	−	100	100	85.7	94.2	100	40
Peptostreptococcus sp. (0/60)	93.3	−	93.3	100	53.3	93.3	100	100
Eubacterium sp. (0/6)	83.3	−	100	100	83.3	100	100	100
Propionibacterium sp. (0/2)	100	−	100	100	100	100	100	0
P. gingivalis (2/32)	93.7	100	100	100	90.6	93.7	93.7	100
Prevotella sp. (8/30)	73.3	100	100	100	90	100	93.3	100
F. nucleatum (1/18)	94.4	100	100	100	38.8	100	100	100
C. rectus (0/7)	100	100	100	100	85.7	100	100	100
B. forsythus (3/9)	66.6	100	100	100	88.8	100	100	100
B. ureolyticus (1/7)	85.7	100	100	100	42.8	85.7	100	100
Veillonella sp. (1/6)	83.3	100	100	100	83.3	100	100	100

^aNitrocefin test (penicillin MIC ≥ 0.25 mg/L).

^bP: penicillin; A/C: amoxiclav, CX: cefoxitin; IP: imipenem, E: erythromycin; DA: clindamycin; LEV: levofloxacin, MET: metronidazole.

^cCefotaxime.