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- Not brushing your teeth

- Eating so much sweets and chocolate or sugary foods

- Consuming too many acidy foods such as vinegar

- Smoking

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Wiki User

13y ago

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More answers

Yes, almost all are caused by microbes found in the mouth.

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Wiki User

10y ago
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Tooth decay caused by bacteria. It begins when bacteria in your mouth make acids that attack the tooth's surface.

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dentalcaremkt

Lvl 4
1y ago
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tooth decay is caused by bacteria

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Wiki User

15y ago
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Anonymous

2y ago
Tooth decay is caused by bacteria in the mouth. Bacteria produce acid that eats away at the surface of the teeth. To prevent tooth decay, brush your teeth regularly and use fluoride-containing toothpastes

Cavities are a bacteria.

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Wiki User

13y ago
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Q: Is tooth decay caused by a virus or bacteria?
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