The kinds of bacteria that cause gum disease are many. There is enough information pertaining to the causes of gum disease to fill a library with books dedicated to the topic. Actinobacillus Actinomycetemcomatins and Porphyromonas gingivalis are two commonly known bacteria which are present in the occurrence of gum disease. However, one must understand that there are over 500 types of bacteria present in the human mouth, and these number well into the millions.

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