Macrognathism
Macrognathism
Macrognathism (pronounced: ma-cro-gna-thizm) is a medical condition characterized by an abnormally large jaw. The term is derived from the Greek words "makros" meaning large, and "gnathos" meaning jaw.
Definition
Macrognathism is a condition where the lower jaw (the mandible) or the upper jaw (the maxilla) is larger than usual. This can be a result of a growth disorder or it may be a normal variation. Macrognathism can cause difficulties with speech, eating, and breathing.
Causes
Macrognathism can be caused by a variety of factors, including genetic disorders such as Acromegaly, Proteus syndrome, and Neurofibromatosis. It can also be caused by hormonal imbalances or as a result of certain medications.
Symptoms
Symptoms of macrognathism can include a prominent lower or upper jaw, difficulties with speech and eating, and an altered facial appearance. In some cases, the condition can lead to sleep apnea due to the jaw obstructing the airway during sleep.
Treatment
Treatment for macrognathism often involves surgery to reduce the size of the jaw. This is typically performed by a maxillofacial surgeon. Other treatments may include orthodontic treatment to align the teeth and jaws, and speech therapy to address any speech difficulties.
Related Terms
- Micrognathism: A condition where the jaw is abnormally small.
- Prognathism: A condition where the jaw protrudes forward.
- Retrognathism: A condition where the jaw is set further back than normal.
External links
- Medical encyclopedia article on Macrognathism
- Wikipedia's article - Macrognathism
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