Bacteria are found in the mouth and most are harmless. Usually, the body’s natural defenses and good oral hygiene such as daily brushing and flossing keep these bacteria under control. However, sometimes harmful bacteria can grow out of control and cause oral infections such as Tooth decay and gum disease, in addition to the use of certain medications that reduce saliva flow, disrupt the natural balance of bacteria in the mouth and make it easier for bacteria to enter the bloodstream.
Ministry of Higher Education and Scientific Research
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