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Extraarticular joint ankylosis: a rare presentation
  1. Saurabh Kumar1 and
  2. Arun Paul Charllu2
  1. 1Dental and Oral Surgery Unit-1, Christian Medical College, Vellore, Tamil Nadu, India
  2. 2Dental Surgery Unit 1, Christian Medical College, Vellore, Tamil Nadu, India
  1. Correspondence to Dr Saurabh Kumar; dr.s.kumar.bds{at}gmail.com

Abstract

Pseudoankylosis is a rare condition that causes inability to open the mouth due to condition related to outside of the temporomandibular joint. Most literature refers to this hypomobility disorder, a result of fusion of the zygomatic bone to the coronoid process, and very rarely is insidious coronoid hyperplasia causing mechanical interference with the posterior maxilla has been reported. We present a case of a 45-year-old woman, who presented with coronoid malformation and overgrowth resulting in progressive decrease in mouth opening. She was managed with coronoidectomy, following which good mouth opening was obtained. In this paper we discuss about the diagnosis and management of this rare disorder.

  • dentistry and oral medicine
  • radiology (diagnostics)
  • mouth
  • oral and maxillofacial surgery
  • otolaryngology / ENT

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Footnotes

  • Contributors Dr SK, Dr APC were involved in the clinical management as well as inception of the paper. Dr SK was involved in the literature research and writeup.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.