You may have an open mandibular fracture.
I recommend you make an appointment to be examined and treated by an oral-maxillofacial surgeon. Definitive treatment of mandibular fractures is performed by an oral-maxillofacial surgeon (or an ENT specialist).
A panorama view X-ray of your mandible will show your entire mandible in one view. A CAT scan is also helpful. Most mandibular fractures are open because they are between the teeth and the gums.
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