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Erschienen in:
16.09.2016 | Case Report
First case of bilateral coronoid hyperplasia in monozygotic twin sisters—a new aetiological perspective?
Erschienen in: Oral and Maxillofacial Surgery | Ausgabe 4/2016
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Background
Mandibular coronoid hyperplasia is a rare condition associated with gradual reduction in mouth opening. Its aetiology is unknown but increased temporalis activity, endocrine stimulus, trauma and familial causes have been proposed.
Case report
In this article, we present a case of bilateral coronoid hyperplasia presenting with limited mouth opening in 16-year-old Caucasian twin sisters.
Discussion
This report gives a new perspective to the aetiology of coronoid hyperplasia since it describes its occurrence in monozygotic twins and hence provides a strong argument in support of a genetic aetiology.