PMC6536950_01
Facial injury sustained.
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He sustained laceration of his upper lip and tongue, comminuted fracture of the right mandible parasymphysis, and avulsed teeth 11, 12, 41, 42, 43, and 44 (Figure 1).
CT scan image of the left temporomandibular joint at (a) day 1 of trauma, (b) two days postsurgery, and (c) one year postsurgery.
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CT scan showed that he also sustained depressed fracture of the frontal bone with subdural and epidural hemorrhage. CT scan also showed right parasymphysis mandible fracture and dislocated left condyle (Figure 2(a)). Postoperative CT scan confirmed the reduction of the dislocation (Figure 2(b)). CT scan shows union between the condyle head and the condylar process stump (Figure 2(c)).
Extraoral presentation on closing and opening of the mouth one year postsurgery.
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However, there was mild asymmetry of the jaw with the chin deviated 2 mm to the left (Figure 3).
Occlusion on biting and opening of the mouth with dentures one year postsurgery.
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Mouth opening was maintained at 40 mm with deviation to the left on opening (Figure 4).