How is tooth decay related to $p H$ ? How can it be prevented?

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Solution

A lower $p H$ of the mouth creates bad bacteria that eventually lead to the decay of the tooth.
It can be prevented by avoiding food that causes acidity.

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How is tooth decay related to pH? How can it be prevented?

A lower pH of the mouth creates bad bacteria that eventually lead to the decay of the tooth. It can be prevented by avoiding food that causes acidity.

How is tooth decay related to $p H$ ? How can it be prevented?

A lower $p H$ of the mouth creates bad bacteria that eventually lead to the decay of the tooth.
It can be prevented by avoiding food that causes acidity.