This study sought to assess the relationships between a morphological characteristic of the superior semicircular canal (SSC) and both the roof thickness of the glenoid fossa (GF) and bone changes of the temporomandibular joint (TMJ) on three-dimensional images.
Cone-beam computed tomography (CBCT) images of 200 individuals (105 females and 95 males; 400 temporal bone regions) were examined by two different observers. The correlations between the bone thickness overlying the SSC and the thickness of the roof of the GF with TMJ’s bone pathologies were analyzed.
The superior semicircular canal dehiscence (SSCD) was significantly associated with dehiscence of the roof of the GF. The relationship between the dehiscence of the SSC and the roof thickness of the GF was found to be strongly correlated (p < 0.05). There were no statistically significant differences between the bone changes of TMJ and the presence or absence of the SSCD.
A correlation between the bone thickness overlying the SSC and the roof thickness of the GF was found. However, there was no relationship between the bone thickness overlying the SSC and bone changes of TMJ.
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All authors declare that they have no conflict of interest.
The study protocol was approved by the Ethical Committee of Gazi University (2019–055). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Akay, G., Karataş, M.S., Karadağ, Ö. et al. Examination of the possible relation of the superior semicircular canal morphology with the roof thickness of the glenoid fossa and bone changes of the temporomandibular joint. Eur Arch Otorhinolaryngol (2020). https://doi.org/10.1007/s00405-020-06063-y
- Semicircular canal
- Glenoid fossa
- Temporomandibular joint
- Cone-beam computed tomography