A systematic review of treatment and outcomes in patients with mandibular coronoid process hyperplasia
Parmentier Griet I.L., Nys Margaux, Verstraete Laurence, Politis Constantinus,
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( Parmentier Griet I.L. ) - Leuven University Hospital Department of Oral and Maxillofacial Surgery
( Nys Margaux ) - Leuven University Hospital Department of Oral and Maxillofacial Surgery
( Verstraete Laurence ) - Leuven University Hospital Department of Oral and Maxillofacial Surgery
( Politis Constantinus ) - Leuven University Hospital Department of Oral and Maxillofacial Surgery
Abstract
Treatment of mandibular coronoid process hyperplasia (MCPH) has been described and explored in the literature. This systematic review aims to provide a comprehensive overview of the surgical and non-surgical treatment options for MCPH in pediatric and adult populations. Three databases were searched for treatment of MCPH patients (MEDLINE, Embase, and Web of Science). Two reviewers selected case reports and case series based on titles and abstracts. Finally, 55 studies reporting a total of 127 cases were included for qualitative synthesis and data extraction. The mean age at symptom onset was 15.6 years, while the mean age at diagnosis was 23.5 years. Of the included cases, 83.7% were male, and the condition was bilateral in more than 81% of the cases. Coronoidectomy was performed in 82.7% of the included cases, while coronoidotomy was performed in 3.9% of the cases.
In 85.0% of the surgically treated cases, the approach was intraoral. The mean maximal intraoperative mouth opening was 38.1 mm compared with 16.5 mm at diagnosis. The mean maximal postoperative mouth opening was 35.3 mm, and the mean follow-up period was 16.3 months. Maximum mouth opening was achieved intraoperatively, and non-surgical treatment after surgery aims to reduce the risk of relapse. Additional research with a higher level of evidence is necessary to confirm these findings.
키워드
Trismus; Physical therapy modalities; Hyperplasia; Surgical procedures
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