AI Article Synopsis
- - The study examines the prevalence of the bony bridge known as Ponticulus Posticus (PP) on the vertebral artery in orthodontic patients at Mashhad Dental School, finding it present in 17.5% of the analyzed cephalograms.
- - A total of 861 cephalogram images were reviewed, revealing a higher occurrence of PP in males compared to females and no significant correlation between PP and skeletal malocclusion types.
- - This research is the first to report on PP prevalence in Eastern Iran, highlighting the need for further studies using 3D imaging techniques for better diagnosis and understanding of PP in the region.
Article Abstract
Background: The term Ponticulus Posticus (PP) refers to a complete or partial bony bridge on the vertebral artery that passes through the superior-lateral surface of the posterior arch of the atlas. This study was conducted with the aim of investigating the prevalence of ponticulus posticus in orthodontic patients referred to Mashhad Dental School.
Methods: In this cross-sectional study, one thousand cephalograms were selected from the patients referred to the orthodontics department of Mashhad Dental School between 2017 and 2021. In lateral cephalogram images with appropriate quality, the type of malocclusion was determined using the AudaxCeph software (Audax d.o.o., Ljubljana, Slovenia). Then, the images were evaluated for the presence or absence of PP. For the statistical analysis, chi-square and t-test were used.
Results: In this study, 861 lateral digital cephalograms were analyzed. The overall prevalence of PP in the studied population was 17.5%. The prevalence of PP was higher in males than in females ( < 0.001). The variables "presence of PP" ( = 0.056) and "type of PP" ( = 0.522) were found to be independent of age groups. Although class II subjects showed a higher prevalence of PP, skeletal malocclusion classes were not found to be correlated with the presence of PP ( = 0.104) nor with its types ( = 0.958).
Conclusion: The current study is considered the primary study that provides data concerning the prevalence of PP in the East of Iran. Our study showed that PP was not rare in this region. More studies with 3D radiological examination are needed to increase the accuracy of diagnosing PP and its prevalence in Iran.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11469706 | PMC |
| http://dx.doi.org/10.47176/mjiri.38.75 | DOI Listing |
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