Figure 5
![Figure 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2180-13-157/MediaObjects/12866_2012_Article_2034_Fig5_HTML.jpg)
Comparison of the total (qPCR) and viable (PMA-qPCR) S. mutans cell numbers in oral specimens. (A) Dental plaque from caries-free patients (n=24) and carious dentin (n=21). (B) Saliva from caries-free children (n=24) and patients with dental caries (n=21). *; p < 0.05