Tooth decay

Tooth Decay

Tooth decay, also known as Dental Caries or Cavities (pronounced: /ˈto͞oTH dəˈkā/), is a common health problem affecting the teeth.

Etymology

The term "tooth decay" is derived from the Old English tōth and the Latin decādere, meaning "to fall off or to decay".

Definition

Tooth decay is a process that results in a cavity in the tooth. It occurs when bacteria in the mouth produce acids that eat away at the tooth. If not treated, tooth decay can cause pain, infection, and tooth loss.

Causes

The main cause of tooth decay is a sticky substance called plaque that forms on the teeth. Plaque is a combination of:

• Bacteria
• Saliva
• Acid
• Food particles

When the bacteria in plaque come into contact with sugar in the mouth, they produce acids. These acids can eat away the outermost layer of the tooth, called the enamel, causing tooth decay.

Symptoms

Symptoms of tooth decay can include:

• Toothache
• Sensitivity to hot or cold
• Visible holes or pits in the teeth
• Brown, black or white staining on any surface of a tooth
• Pain when biting down

Prevention

Tooth decay can be prevented by:

• Brushing with a fluoride toothpaste
• Flossing daily
• Eating a balanced diet
• Regular dental check-ups

Related Terms

• Dental Plaque
• Enamel
• Dentistry
• Oral Hygiene
• Toothache

External links

• Medical encyclopedia article on Tooth decay
• Wikipedia's article - Tooth decay

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