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Original Research

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Bony Deviations Revealed by Cone Beam Computed Tomography of the Temporomandibular Joint in Subjects Without Ongoing Pain

  • Merete Bakke1,*,
  • Arne Petersson2
  • Mie Wiese2
  • Palle Svanholt3
  • Liselotte Sonnesen4

1Section of Oral Medicine (Clinical Oral Physiology), Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark

2Section of Radiology, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark

3Obstructive Sleep Apnoea Clinic, Section of Orthodontics, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark

4Section of Orthodontics, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark

DOI: 10.11607/ofph.1255 Vol.28,Issue 4,December 2014 pp.331-337

Published: 30 December 2014

*Corresponding Author(s): Merete Bakke E-mail: mbak@sund.ku.dk

Abstract

Aims: To assess the prevalence of temporomandibular joint (TMJ) bony changes in cone beam computed tomography (CBCT) images of adult subjects without ongoing orofacial pain or complaints from the TMJ. Methods: The study included 84 TMJs from 28 men and 14 women (mean age [± SD]: 51 ± 11 years) without orofacial pain or TMJ complaints who were participants in a study of patients with obstructive sleep apnea. They were examined before any treatment with the Research Diagnostic Criteria for Temporomandibular Disorders and with CBCT (NewTom VGi; 15 × 15 cm, exposure time 18 seconds, axial thickness 0.3 mm). Osseous TMJ deviations were assessed blindly and classified. Results: Degenerative changes were noted in the CBCT images of 33 (39.3%) of the TMJs, of which 21 were classified as osteoarthritic alterations and 12 as indeterminate changes of osteoarthritis. Two TMJs were clinically classified as osteoarthrosis and 6 as disc displacement with reduction. The CBCT images of the 2 TMJs with a clinical diagnosis of osteoarthrosis showed also bony changes, but the CBCT images also revealed osteoarthritic bony changes in the 18 TMJs without any clinical diagnosis. Conclusion: CBCT images of asymptomatic adult TMJs commonly show degenerative bony alterations. Accordingly, such radiographic findings should be used with care and only as a supplement to clinical assessment.

Keywords

cone beam computed tomography; imaging; Nordic Orofacial Test–Screening; osteoarthritis; osteoarthrosis; RDC/TMD; temporomandibular joint

Cite and Share

Merete Bakke,Arne Petersson,Mie Wiese,Palle Svanholt,Liselotte Sonnesen. Bony Deviations Revealed by Cone Beam Computed Tomography of the Temporomandibular Joint in Subjects Without Ongoing Pain. Journal of Oral & Facial Pain and Headache. 2014. 28(4);331-337.

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