Cervicofacial emphysema in an endurance runner.
D000293:Adolescent; D003754:Dental High-Speed Equipment / Q000009:adverse effects*; D003814:Dentistry, Operative / Q000009:adverse effects; D004646:Emphysema / Q000209:etiology*; D005145:Face; D005888:Gingival Pocket; D006801:Humans; D008297:Male; D009333:Neck; D012420:Running; D013178:Sports Medicine; D013352:Subcutaneous Emphysema / Q000209:etiology*