Great pictures of bacteria in the dentin tubules under cavities

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This is a study on using citric acid to pretreat cavities before filling. The results were not favorable as it caused the bacteria to spread. But the photos are really good. This demonstrates why it's so hard to rid the body of an infection once bacteria have taken hold under your teeth. The body tries to wall these bacteria off, but misgided dental intervention can easily make the situation worse. http://jdr.iadrjournals.org/cgi/reprint/52/6/1189.pdf penny