Mandibular distraction osteogenesis in the treatment of pediatric temporomandibular joint ankylosis with micrognathia and obstructive sleep apnea syndrome: A case report with 4‑year follow‑up

Yu,Xingna; Wang,Jianning; Hou,Shida; Zeng,Rongsheng

doi:10.3892/etm.2019.8119

December-2019 Volume 18 Issue 6

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December-2019 Volume 18 Issue 6

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Case Report Open Access

Mandibular distraction osteogenesis in the treatment of pediatric temporomandibular joint ankylosis with micrognathia and obstructive sleep apnea syndrome: A case report with 4‑year follow‑up

Authors:
- Xingna Yu
- Jianning Wang
- Shida Hou
- Rongsheng Zeng
View Affiliations / Copyright

Affiliations: Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat‑sen University, Guangzhou, Guangdong 510055, P.R. China

Copyright: © Yu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
Pages: 4888-4892
|
Published online on: October 22, 2019

https://doi.org/10.3892/etm.2019.8119
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Abstract

Temporomandibular joint (TMJ) ankylosis in pediatric patients is rare and may cause severe micrognathia and obstructive sleep apnea syndrome. The present study reports on the treatment and 4‑year follow‑up of a pediatric patient with early‑onset bilateral TMJ ankylosis and severe secondary micrognathia, as well as obstructive sleep apnea syndrome. A typical ‘bird face’ appearance was noted with severe mandible retrognathism and a significant convex facial profile. The treatment of this patient involved TMJ ankylosis release with condylectomy and simultaneous bilateral mandibular distraction osteogenesis, which enabled the surgeons to simultaneously reconstruct the neocondyle and correct facial malformations. Following treatment, the micrognathia was corrected and the oropharyngeal airway was significantly expanded. However, the maximal incisal opening was limited. During the 4‑year follow‑up, no signs of mandible retraction were noted and mouth opening increased to 17 mm (passive) compared with the inability to open that was noted immediately following surgery. A certain degree of MIO shrinkage was identified in the patient. In such cases of TMJ ankylosis, early post‑operative exercise, active post‑operative physiotherapy and stringent follow‑up are essential to prevent post‑operative shrinkage and adhesions.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Mandibular distraction osteogenesis in the treatment of pediatric temporomandibular joint ankylosis with micrognathia and obstructive sleep apnea syndrome: A case report with 4‑year follow‑up

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