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Esta página también está en Español: Lesiones y enfermedades de la mandíbula — lo que dice la evidencia
The parts of the jaw
Your jaw is a set of bones that holds your teeth:
| Part | What it does |
|---|---|
| Maxilla (upper jaw) | holds your top teeth; doesn't move; supports muscles for chewing and facial expression |
| Mandible (lower jaw) | holds your lower teeth; moves when you talk or chew |
| Temporomandibular joints (TMJs) | two joints, one on each side, connecting the mandible to your skull |
What can go wrong
- Fractures: broken bones.
- Dislocations: joint injuries that force the bone ends out of position.
- Temporomandibular disorders (TMDs): conditions affecting the TMJs.
- Osteonecrosis: blood flow to part of the bone is cut off, and the bone can break down.
- Tumors: benign (not cancer) or cancer.
- Jaw defects: birth defects in which the jaw may be missing or misshapen.
Diagnosis and treatment
Imaging tests are often used to diagnose jaw problems. Treatment depends on which problem you have.
Sources
Based on the MedlinePlus health topic "Jaw Injuries and Disorders," National Library of Medicine; a work of the United States government in the public domain.
Licencia: CC0 1.0 (dominio público) · Adaptado de medlineplus.gov
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