Skip to main content

Table 3 Bacterial genera isolated in the present study, their Gram-staining characteristics and gaseous requirements

From: Microbial identification from traumatized immature permanent teeth with periapical lesions using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry

Bacteria morphology

Obligate anaerobes

#

Obligate

aerobe

#

Facultative anaerobes

#

Total

P value

Gram

positive cocci

    

Streptococcus

8

  
    

Staphylococcus

4

 
    

Enterococcus

5

 

Gram

negative cocci

=============

   

====================

  

Gram negative coccobacilli

  

Acinetobacter spp.

1

   

Gram

positive rods

    

Lactobacillus

1

 

Slackia

1

  

Bacillus

2

 

Clostridium

1

     

Gram -negative rods

Fusobacterium

1

  

Salmonella

1

 

Prevotella

8

  

Klebsiella

1

 

Selemonas

1

  

Capriavidus

1

 

Bacteroides

1

     

Number (%) from

Total Genera

6

(40%)

==

1

(6.7%)

1

8

(53.3%)

==

15

100%

Number (%) of teeth positive (%)

7 (43.75%)

 

1 (6.25%)

 

14 (87.5%)

 

16

<0.001***

Total isolates Number

(%)

13

(35.14%)

 

1

(2.7%)

 

23

(62.162%)

 

37

(100%)

<0.001***

  1. *Some species can also be strict aerobes
  2. Mycobacterium genavense, Bacillus atrophaeus, and Listeria gravi are not included due to their low MALDI-TOF MS identification score (< 1.5)
  3. ** in two teeth (12.5%) only obligate anaerobic bacteria were isolated
  4. *** In 9 teeth (56.25%) only facultative anaerobes were isolated
  5. **** In 5 teeth (31.25%) both obligate and facultative anaerobes were isolated in one of which the only aerobic genera recovered was concomitantly isolated
  6. *statistically significant at p-value < 0.05
Back to article page

BMC Oral Health

ISSN: 1472-6831

Contact us