Post-traumatic-Zygomaticocoronoid Ankylosis: A Rare Clinical Case Report.
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Date
2015-05
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Abstract
Fusion of the zygomatic bone to the coronoid process of the mandible is a rare phenomenon reported in the literature and commonly called as
zygomaticocoronoid ankylosis. It can be sequel of trauma or infection in the midfacial region, mimicking a wide range of problems including
the common temporomandibular joint ankylosis and dysfunction. Maxillofacial trauma involving the displaced fracture of zygoma can obstruct
the movement of coronoid and if not treated can cause ankylosis between both bones. It is very diffi cult to identify zygomaticocoronoid
ankylosis on conventional radiographs and requires the through clinical and advanced radiological evaluation like cone-beam computed
tomographic (CBCT) to diagnose it. CBCT can be a great help to identify the size and extension of ankylotic mass and decide the approach to
remove it. Zygomaticocoronoid ankylosis can be approached intraorally by Keen’s incision, and extraorally through a hemicoronal approach
we have approached intraorally. Here, we present surgical management of post-traumatic zygomaticocoronoid ankylosis in 42-year-old male
patient who had trismus for 18 years.
Description
Keywords
Ankylosis, Coronoid process, Temporomandibular joint ankylosis, Trismus, maxillofacial trauma, Zygomaticocoronoid ankylosis
Citation
Managutti Anil, Patel Nirav, Menat Shailesh, Kamala R, Patel Harsh. Post-traumatic-Zygomaticocoronoid Ankylosis: A Rare Clinical Case Report. IJSS Case Reports & Reviews. 2015 May; 1(12): 4-6.