Journal of the Korean Association of Oral and Maxillofacial Surgeons

  • 제40권6호
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  • Pages.301-307
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  • 2014
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  • 2234-7550(pISSN)
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  • 2234-5930(eISSN)
대한구강악안면외과학회 (The Korean Association of Oral and Maxillofacial Surgeons)
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Mouth opening limitation caused by coronoid hyperplasia: a report of four cases

  • Kim, Sung-Min (Department of Oral and Maxillofacial Surgery, Gangnam Severance Hospital, Yonsei University College of Dentistry) ;
  • Lee, Jin-Hyeok (Department of Oral and Maxillofacial Surgery, Gangnam Severance Hospital, Yonsei University College of Dentistry) ;
  • Kim, Hak-Jin (Department of Oral and Maxillofacial Surgery, Yongin Severance Hospital, Yonsei University College of Dentistry) ;
  • Huh, Jong-Ki (Department of Oral and Maxillofacial Surgery, Gangnam Severance Hospital, Yonsei University College of Dentistry)
  • 투고 : 2014.08.25
  • 심사 : 2014.10.09
  • 발행 : 2014.12.31
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초록

Coronoid process hyperplasia is a rare condition that causes mouth opening limitation, otherwise known as trismus. The elongated coronoid processes impinge on the medial surfaces of the zygomatic arches when opening the mouth, which limits movement of the mandible and leads to trismus. Patients with trismus due to coronoid process hyperplasia do not have any definite symptoms such as temporomandibular joint pain or sounds upon clinical examination, and no significant abnormal signs are observed on panoramic radiographs or magnetic resonance images of the temporomandibular joint. Thus, the diagnosis of trismus is usually very difficult. However, computed tomography can help with the diagnosis, and the condition can be treated by surgery and postoperative physical therapy. This paper describes four cases of patients who visited our clinic for trismus and were subsequently diagnosed with coronoid process hyperplasia. Three were successfully treated with a coronoidectomy and postoperative physical therapy.

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참고문헌

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피인용 문헌

  1. Bilateral Elongated Mandibular Coronoid Process and Restricted Mouth Opening: A Case Report vol.11, pp.None, 2014, https://doi.org/10.2174/1874210601711010670
  2. The outcome of coronoidectomy in bilateral coronoid process hyperplasia vol.36, pp.1, 2018, https://doi.org/10.1080/08869634.2017.1283788
  3. Assessment of Mandibular Surface Area Changes in Bruxers Versus Controls on Panoramic Radiographic Images: A Case Control Study vol.12, pp.None, 2014, https://doi.org/10.2174/1745017901814010753
  4. Mandibular coronoid process hyperplasia: a case report vol.20, pp.3, 2014, https://doi.org/10.1590/1982-0216201820311417
  5. Coronoid Process Hyperplasia : A Rare Disorder Masquerading as Temporomandibular Joint Disease vol.29, pp.4, 2014, https://doi.org/10.1007/s00062-019-00778-0
  6. Trismus Due to Hyperplastic Coronoid Process: Series of Five Cases and Review of Literature vol.32, pp.8, 2014, https://doi.org/10.1097/scs.0000000000007982
  7. Extraarticular joint ankylosis: a rare presentation vol.14, pp.11, 2014, https://doi.org/10.1136/bcr-2021-244616