Prognathism
Prognathism (pronounced: proɡˈnaTHizəm) is a medical term that refers to the protrusion of the jaw or jaws that would be considered abnormal or significant. This condition can be present in a variety of forms and can have various related health implications.
Etymology
The term "prognathism" is derived from the Greek words "pro" meaning "forward" and "gnathos" meaning "jaw".
Types of Prognathism
There are three main types of prognathism:
- Mandibular prognathism (also known as prognathia): This is when the lower jaw protrudes further out than the upper jaw.
- Maxillary prognathism (also known as overjet): This is when the upper jaw protrudes further out than the lower jaw.
- Bimaxillary prognathism: This is when both the upper and lower jaws protrude.
Related Terms
- Orthognathism: This is the opposite of prognathism, where the jaws are aligned in a normal position.
- Retrognathism: This is when the jaw or jaws are positioned abnormally backward.
Health Implications
Prognathism can lead to a variety of health issues, including sleep apnea, Temporomandibular Joint Disorder (TMJ), and difficulties with chewing and speaking. In some cases, surgical intervention may be necessary to correct the condition.
Treatment
Treatment for prognathism can vary depending on the severity of the condition and the specific type of prognathism. Treatment options can include orthodontic treatment, orthognathic surgery, or a combination of both.
See Also
External links
- Medical encyclopedia article on Prognathism
- Wikipedia's article - Prognathism
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