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Table 3 Organisms isolated from the different groups

From: In vitro evaluation of microbial contamination and the disinfecting efficacy of chlorhexidine on orthodontic brackets

Organisms

Group 1, n (%)

Group 2, n (%)

Group 3, n (%)

Group 4, n (%)

Staphylococcus aureus

1 (7.69)

5 (29.41)

3 (12.5)

S. epidermidis

3 (23.08)

2 (28.57)

7 (41.18)

5 (20.83)

Lactobacilli

1 (7.69)

1 (5.88)

3 (12.5)

Klebsiella pneumoniae

3 (23.08)

1 (5.88)

7 (29.17)

Bacillus licheniformis

2 (15.38)

2 (11.76)

3 (12.5)

B. cereus

3 (23.08)

1 (14.29)

1 (5.88)

3 (12.5)

Non-pathogenic bacteria

4 (57.14)

  1. Group 1, American Orthodontics brackets; Group 2, 3M Unitek; Group 3, Ortho Organizers; Group 4, China Dental Orthodontic Brackets