Spontaneous bilateral coronoid process fracture of the mandible after BSSO: A case report - 31/07/21

Doi : 10.1016/j.jormas.2021.07.012

Samy El Bachaoui ^a,^b,^⁎ : Conceptualization Investigation Writing - original draft, Matthias Dobbeleir ^b,^c : Conceptualization InvestigationWriting - original draft Writing – review & editing, Astrid De Ketele ^a,^b : Conceptualization Investigation Writing - original draft, Constantinus Politis ^c,^d : Supervision Writing – review & editing
^a Faculty of Medicine, KU Leuven, Herestraat 49, Leuven 3000, Belgium
^b Department of Oral and Maxillofacial Surgery, University Hospitals of Leuven, Campus Sint-Rafaël, Kapucijnenvoer 33, Leuven 3000, Belgium
^c OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven and Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Herestraat 49, Leuven 3000, Belgium
^d Head of Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Herestraat 49, Leuven 3000, Belgium

^⁎Corresponding author at: Department of Oral and Maxillofacial Surgery, University Hospitals of Leuven, Campus Sint-Rafaël, Kapucijnenvoer 33, Leuven 3000, Belgium.Department of Oral and Maxillofacial SurgeryUniversity Hospitals of LeuvenCampus Sint-Rafaël Kapucijnenvoer 33Leuven3000,Belgium

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Abstract

A patient with spontaneous bilateral fracture of the mandibular coronoid process is presented. The definite cause is unknown, but possible contributing factors include osteoporosis, bruxism and changed kinetics of the temporalis muscle after bilateral sagittal split osteotomy (BSSO) resulting in an avulsion fracture. The patient was treated surgically with bilateral coronoidectomy.

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Keywords : Mandibular coronoid fracture, Coronoidectomy, Spontaneous, BSSO