Classification of the midpalatal suture maturation in individuals older than 15 years: a cone beam computed tomographic study

Abstract

Purpose

The aim of this study was to classify the maturation of the midpalatal suture (MPS) in a sample of individuals aged 15 years and older.

Methods

Tomographic images in axial sections of the MPS of 289 female individuals and 198 male individuals aged between 15 and 40 years were analyzed and classified in stages of maturation (A, B, C, D, and E), stage A represents the earliest maturation stage of the suture and in stage E the fusion of the MPS has occurred in the maxilla. The Kruskal–Wallis and Student–Newman–Kells tests were used to compare the chronological ages among different maturation stages. Spearman’s correlation coefficient was used to assess the correlation between patient’s age and the maturation stages of the MPS.

Results

Stage A was not observed in the sample. Stages B and C represent, respectively, 1.03% and 34.09% of the sample, stage D was found in 16.63% of the sample while stage E was the most prevalent stage found (48.25%). For females, it was revealed no statistically significant difference in the mean ages among stages C, D and E (p = 0.4753). For males, a statistically significant difference was observed, with the mean age of individuals in stages D and E of the MPS maturation higher than in other stages (p = 0.0001). There was a significant, but weak, correlation between patient’s age and the maturation stages of the suture (rs = 0.11/p = 0.01).

Conclusion

No individuals in stage A of suture maturation were found and stage B was identified in only 1% of the sample. The majority of the patients (64.88%) presented at least partial fusion of the MPS (stages D and E).

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Fig. 1

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Funding

This study did not receive funding.

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Affiliations

Authors

Contributions

LGR: project development, data collection, data analysis, manuscript writing. RAR, RWFV and HNR: data analysis, manuscript editing. KLD: project development, data collection, data analysis, manuscript writing.

Corresponding author

Correspondence to Karina Lopes Devito.

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The authors declare no conflict of interest.

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Approval was obtained by the Ethics Committee of the Federal University of Juiz de Fora, Protocol No. 2.450.263.

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Reis, L.G., Ribeiro, R.A., Vitral, R.W.F. et al. Classification of the midpalatal suture maturation in individuals older than 15 years: a cone beam computed tomographic study. Surg Radiol Anat (2020). https://doi.org/10.1007/s00276-020-02518-3

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Keywords

  • Radiology
  • Anatomy
  • Orthodontics
  • Cone-beam computed tomography
  • Cranial sutures