Retrognathia
Retrognathia (pronunciation: reh-troh-nay-thee-uh) is a medical condition characterized by the posterior positioning of the mandible (lower jaw) or maxilla (upper jaw) in relation to the skeletal base.
Etymology
The term "Retrognathia" is derived from the Latin words 'retro' meaning 'backward' and 'gnathos' meaning 'jaw'.
Related Terms
- Prognathism: This is the opposite of Retrognathia, where the jaw protrudes forward rather than being positioned backward.
- Orthognathic Surgery: A surgical procedure often used to correct conditions like Retrognathia.
- Malocclusion: A condition often associated with Retrognathia, where the upper and lower teeth do not meet properly.
- Micrognathia: A condition where the jaw is undersized, which can sometimes be confused with Retrognathia.
Symptoms
Patients with Retrognathia often have a receding chin and a flat-looking face. They may also experience difficulties with chewing, swallowing, and sometimes breathing.
Diagnosis
Diagnosis of Retrognathia is typically made through a physical examination and imaging studies such as X-rays or CT scans.
Treatment
Treatment for Retrognathia often involves orthodontic treatment to realign the teeth and jaw. In severe cases, orthognathic surgery may be required.
See Also
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