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ISSN 2007-3178 (Print)
Asociación Mexicana de Cirugía Bucal y Maxilofacial, Colegio Mexicano de Cirugía Bucal y Maxilofacial, A.C.

2015, Number 2

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Rev Mex Cir Bucal Maxilofac 2015; 11 (2)

Glenoid reconstruction and management of intrusion of mandibular condyle in middle cranial fossa secondary to firearm projectile

Romero FJ, García SJM, Dávila TJ, Pacheco RG

Language: Spanish
References: 10
Page: 53-59
PDF size: 399.17 Kb.


ABSTRACT

The intrusion of the mandibular condyle into the middle cranial fossa, with or without simultaneous fracture of the jaw, is extremely rare. Because the roof of the glenoid fossa is part of the floor of the middle cranial fossa, a fracture on this site may lead to serious complications such as damage to the middle meningeal artery, loss of cerebrospinal fluid, extradural hematoma or meningitis. Another consequence of the lack of diagnosis and treatment of this condition is temporomandibular joint ankylosis. Theories about the mechanism of intrusion of the condyle in middle cranial fossa have been fully discussed in literature reviews. The consequences of an impact on temporomandibular area is highly variable, due to factors such as the shape and size of the head of the condyle, temporal bone pneumatization, or congenital abnormalities of the condyle and the glenoid fossa, condylar head resistance to trauma involving their travel to the upper region, the absence of posterior teeth already absorbing the impact force. Condylar intrusion diagnosis should be considered when symptoms, signs and clinical course is atypical neurological mandibular fracture.


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