Earlier we defined tooth decay is a location on a tooth where enough of its mineral content has been lost that a hole has formed. The process by which this occurs is called demineralization and it takes place because of the presence of acids on a tooth's surface. The acids that cause tooth demineralization (cavity formation) are produced by specific types of bacteria (mutans streptococci and lactobacilli) that live in dental plaque.
These bacteria are living organisms just like we are. When we consume foods and beverages, we create waste products. Bacteria do the same thing. The bacteria that cause tooth decay utilize sugars (glucose, sucrose, fructose, lactose, or cooked starches) as their food source. The waste products created from digesting these sugars are the acids (especially lactic acid) that cause the demineralization of tooth enamel and dentin.
Tooth Decay, Cavities,
& Dental Caries :
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What is tooth decay?
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How does tooth decay form?
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How long does it take a cavity to form?
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How does fluoride help to prevent tooth decay?
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Tooth decay and children.
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Tooth decay and adults.
Since the bacteria that live in our mouth eat when we do, as we ingest foods which contain sugars (such as soda, candy, milk, and even fruits and vegetables) these bacteria get a meal too. And within minutes they start producing the acids that cause tooth decay.
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