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A mandibular fracture is a break in the continuity of the mandible (lower jawbone), typically resulting from blunt facial trauma, and frequently associated with other facial bone fractures due to its anatomical prominence.
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| Finding | Significance |
|---|---|
| Pain and swelling | At the site of fracture |
| Malocclusion | Misalignment of teeth due to displaced fracture |
| Trismus | Involvement of muscles of mastication |
| Step-off deformity | Palpable over alveolus or inferior border |
| Numbness | Inferior alveolar nerve involvement (mandibular body/angle fracture) |
| Crepitus, mobility, bleeding | Mobile or open fracture |
| Dental malalignment | Tooth displacement or mobility |