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Proposal of a Protocol for Adjusting the Value of the SN-GoGn Angle in Steiner Cephalometry

Author

Listed:
  • Thomas Mourgues

    (Department of Orthodontics, Rey Juan Carlos University, 28922 Alcorcón, Spain)

  • María José González-Olmo

    (Department of Orthodontics, Rey Juan Carlos University, 28922 Alcorcón, Spain)

  • Matthieu Martel-Lambert

    (Department of Orthodontics, Rey Juan Carlos University, 28922 Alcorcón, Spain)

  • Carolina Nieto-Moraleda

    (Department of Orthodontics, Rey Juan Carlos University, 28922 Alcorcón, Spain)

  • Martín Romero

    (Department of Orthodontics, Rey Juan Carlos University, 28922 Alcorcón, Spain)

Abstract

Background: The objective of this study was to compare the facial pattern according to Steiner’s cephalometric analysis with other facial measurement methods (Ricketts, Björk-Jarabak, and McNamara). Methods: 200 patients from a university orthodontic clinic were studied. Measurements were taken using Ricketts, Steiner, Björk-Jarabak, and McNamara methods. Results were compared using standard deviation proportions. Results: Significant differences were found between Steiner’s method and the gold standard. No differences were observed between mixed and permanent dentition groups. Errors were noted in facial type classification: 54.8% in the brachyfacial group, 80% in the mesofacial group and 14.5% in the dolichofacial group. Conclusion: The mandibular angle of Steiner tends to make a diagnosis more towards the dolichofacial type compared to other methods. A protocol is proposed to adjust the value of the mandibular angle of Steiner to the other three methods in a Spanish population.

Suggested Citation

  • Thomas Mourgues & María José González-Olmo & Matthieu Martel-Lambert & Carolina Nieto-Moraleda & Martín Romero, 2024. "Proposal of a Protocol for Adjusting the Value of the SN-GoGn Angle in Steiner Cephalometry," J, MDPI, vol. 7(3), pages 1-8, September.
    • Handle: RePEc:gam:jjopen:v:7:y:2024:i:3:p:22-392:d:1475191
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