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Research Article

Comprehensive Analysis of Bacterial Flora in Postoperative Maxillary Cyst Fluid by 16S rRNA Gene and Culture Methods

Table 2

Results of culture and 16S rRNA gene analyses in postoperative maxillary cyst fluids from 11 patients.
Case no.  Culture methodDominant taxa detected by 16S rRNA gene analysis** (%)No. of total spp. detectedNo. of clones
1st2nd3rd4th5th ***No. of other spp.classifiedunclassified
1NegativeNeisseria spp. 24%Streptococcus mitis 15%Prevotella spp.10%Streptococcus parasanguinis 5%35
46%		3920622
2NegativeStreptococcus mitis 21%Neisseria spp. 19%Streptococcus parasanguinis 9%Streptococcus sinensis 8%Streptococcus salivarius 7%18
40%		231012
3Streptococcus  sanguinis Streptococcus parasanguis 15%Streptococcus peroris 12%Neisseria spp. 12%Neisseria animalis 10%Streptococcus sinensis 8%24
43%		291000
4NegativePropionibacterium acnes 19%Porphyromonas spp. 11%Peptostreptococcus anaerobius 9%Streptococcus mitis 5%32
56%		361190
5Klebsiella  pneumoniae Streptococcus  anginosus Peptoniphilus  asaccharolyticus Finegoldi  magna Propionibacterium acnes 14%Streptococcus mitis 12%Porphyromonas catoniae 10%Sphingomonas paucimobilis 7%Prevotella spp. 6% Neisseria spp. 6% Fusobacterium nucleatum 6%36
40%		411260
6Streptococcus viridans Parvimona  micros Prevotella  melaninogenica Prevotella denticola 35%Propionibacterium acnes 21%15
44%		17750
7NegativePrevotella denticola 92%5
8%		6620
8Enterococcu  faecalisEnterococcus faecalis 35%Propionibacterium acnes 22%Neisseria spp. 6%19
37%		22861
9NegativePropionibacterium acnes 25%Staphylococcus capitis 20%Prevotella denticola 12%Corynebacterium accolens 12%Staphylococcus haemolyticus 7%12
26%		17610
10 * Streptococcus viridansFusobacterium nucleatum 54%Porphyromonas gingivalis 29%Porphyromonas spp. 17%0%3930
11Streptococcus viridansPropionibacterium acnes 61%Staphylococcus haemolyticus 8%Prevotella denticola 8%Fusobacterium nucleatum 7%Porphyromonas spp. 6%8
9%		13850
111425
* Streptococcus viridans comprehends a group composed of Streptococcus sanguis group, Streptococcus milleri group, and S. mitis. Species of Streptococus viridans are not determined in this study.
**(%) the percentage of bacteria indicates the percentage of bacteria detected versus the total bacterial population.
***Bacteria constituting less than 5% of the total bacterial population are grouped together as other spp.