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The mouth has a key role in a personu2019s immunity. Our mouth is home to hundreds of species of Microbes. Most of them are beneficial, but a few of them are harmful. An apt balance of microbes is essential for good oral health. When the microbes in our mouth become unbalanced, say when some of the harmful bacteria like streptococcus mutans grow more than usual in the mouth, the mouth tends to become more acidic, creating suitable conditions for other unwanted bacteria to invade. We must address the imbalance as these bacteria can damage our teeth and gums, cause bad breath etc.
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