Anodontia
Anodontia
Anodontia (pronounced: an-o-don-tia) is a rare genetic condition characterized by the complete absence of teeth. This condition can either be present at birth or develop over time.
Etymology
The term "Anodontia" is derived from the Greek words "an" meaning "without" and "odont" meaning "tooth".
Types of Anodontia
There are two main types of Anodontia:
- Hypodontia: This is a mild form of Anodontia where one or more teeth are missing.
- Oligodontia: This is a severe form of Anodontia where six or more teeth are missing.
Causes
Anodontia is usually caused by a mutation in the MSX1 gene or the PAX9 gene. These genes are important for the development of teeth.
Symptoms
The main symptom of Anodontia is the absence of teeth. Other symptoms may include:
- Difficulty chewing
- Speech problems
- Changes in facial appearance
Treatment
Treatment for Anodontia usually involves the use of dental prosthetics such as dentures or dental implants.
Related Terms
External links
- Medical encyclopedia article on Anodontia
- Wikipedia's article - Anodontia
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