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Surgical and Radiologic Anatomy

, Volume 41, Issue 4, pp 469–476 | Cite as

TMJ arthrosis: does the occlusal relationship really interfere? A comparison between cone beam computed tomography and dried skulls

  • Rafaela ScariotEmail author
  • Paola Corso
  • Briana Gonsar
  • Navenett Gill
  • Paula Cristina Trevillato
  • Anitha Potluri
  • Alexandre Rezende Vieira
Original Article
  • 47 Downloads

Abstract

The aim of this study was to investigate the association between condylar bone morphological characteristics with occlusal conditions. Besides the study will compare the tomography images with the real condition in 122 temporomandibular joints from 61 skulls. The occlusal conditions were evaluated by number of teeth missing, measurement of overjet and overbite, in millimeters, and presence or absence of crossbite, openbite and dental rotation. The condylar bone morphological conditions were classified in five types (normal, presence of erosion, presence of osteophytes, flattening and/or deformation). This classification was used in real skulls and in Cone Beam Computed tomography (CBCT) images. The data were submitted to statistical analysis with a level of significance of 0.05. Occlusal variables have no association to morphologic data (p > 0.05). Normal condylar bone was seen in 62 CBCT versus 53 in real skulls while morphological alterations were seen in 60 CBCT versus 67-real condyles. The clinical and tomographic measurements were compared, demonstrating an important difference in the classification demonstrating poor association between detection methods (k − 0.3, p < 0.001). The occlusal conditions appear to have no correlation with the morphological condyle conditions. The CBCT is a reliable diagnostic method, although it may present divergences of findings when compared with clinical raw examination to morphologic condylar conditions.

Keywords

Dental occlusion Mandibular condyle Skull 

Notes

Compliance with ethical standards

Ethical approval

All applicable institutional guidelines for the care and use of skulls were followed.

Informed consent

For this type of study, formal consent is not required.

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Copyright information

© Springer-Verlag France SAS, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Health Science, DentistryPositivo UniversityCuritibaBrazil
  2. 2.Department of Oral BiologyUniversity of PittsburghPittsburghUSA
  3. 3.School of Life SciencesPontifical Catholic University of ParanaCuritibaBrazil
  4. 4.Department of Diagnostic SciencesUniversity of PittsburghPittsburghUSA

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