Tooth decay

Tooth decay happens when acids damage the hard outer layers of a tooth.
Over time, this damage can lead to a hole, known as a cavity.

Tooth decay is sometimes called dental decay or dental caries. They all mean the same thing.

What causes tooth decay?
Tooth decay is caused by plaque acids.

Plaque is a sticky film of bacteria that forms on your teeth every day.
When you eat or drink foods that contain sugar, the bacteria in plaque produce acids.

These acids:

• Soften the tooth surface.
• Gradually dissolve the tooth structure.
• Can eventually create a cavity.
• If decay is not treated, it can lead to pain, infection, or tooth loss.

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