Hematoma Following Filling

This patient received an injection for restoration of an upper tooth on the left side. Two days later the patient returned with a severe hematoma involving the maxilla and the mandible. 

A hematoma, a blood clot resulting from hemorrhaging into surrounding tissues, occurs if a muscle fibre is penetrated or a blood vessel is perforated by the injection of the anaesthetic into the lower jaw. 

Usually warm moist heat applications, stretching exercises, and time is sufficient treatment. 

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