Table 3 Detection rate of pathogenic bacteria from an abscess or necrotic tissue by group

[Facultative anaerobic]

33

[Facultative anaerobic]

36

[Facultative anaerobic]

10

Streptococcus spp.^a

28 (84.8)

Streptococcus spp.^b

31 (86.1)

Streptococcus spp.^c

9 (90.0)

Staphylococcus spp.^d

3 (9.1)

Staphylococcus spp.^e

2 (5.6)

Actinomyces spp.

1 (10.0)

Klebsiella pneumoniae

1 (3.0)

Actinomyces odontolyticus

1 (2.8)

Haemophilus spp.

1 (3.0)

Lactobacillus casei

1 (2.8)

Propionibacterium acnes

1 (2.8)

[Obligate anaerobic]

17

[Obligate anaerobic]

43

[Obligate anaerobic]

11

Parvimonas micra

6 (35.3)

Parvimonas micra

18 (41.9)

Prevotella spp.^f

6 (54.5)

Prevotella spp.^g

4 (23.5)

Prevotella spp.^h

10 (23.3)

Parvimonas micra

2 (18.2)

Veillonella spp.

3 (17.6)

Peptostreptococcus spp. ⁱ

6 (14.0)

Peptostreptococcus spp. ^j

2 (18.2)

Peptostreptococcus spp.

1 (5.9)

Porphyromonas spp.

3 (7.0)

Eggerthella catenafoemis

1 (9.1)

Bacteroides spp.

1 (5.9)

Fusobacterium spp. ^k

3 (7.0)

Porphyromonas spp.

1 (5.9)

Anaerococcus spp. ^l

2 (4.7)

Fusobacterium nucleatum

1 (5.9)

Finegoldia magna

1 (2.3)