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What causes teeth to decay?

Updated: 11/16/2022
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13y ago

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Bacteria left on teeth and gums are the enemy of healthy teeth. When the bacteria break down sugars and starches on your teeth, they leave behind acid as a natural byproduct. The acid reacts with the calcium compounds in tooth enamel, making it weak and thin and expanding microscopic pits and cracks.

The weakened teeth are more easily chipped and broken. Left unstopped, the pits the bacteria form are more difficult to clean and the little guys have a protected place to produce more bacteria and more acid. When they finally drill through the enamel, you feel pain as the inner parts of the tooth are exposed. If the bacteria make their way to the primary nerve root for the tooth, a nasty infection results and either a root canal will be done or the tooth will be lost.

Teeth can also decay from the bottom up, as food particles and bacteria get lodged in the gums. Under the gumline the teeth are more easily damaged and bacterial growth is very hard to stop once it gets advanced. As the roots get damaged, the gums begin to recede, exposing even more surface to damage.

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