Study on the reproducibility of the Frankfort horizontal plane based on CBCT 3D reconstruction and comparative analysis with lateral radiographs - Takeaways - DentalSpire

Evaluation of the Consistency of the Frankfort Horizontal Plane Using 3D Reconstruction from CBCT and Comparison with Lateral Cephalometric Radiographs

  • By

  • Zhiwen Li

  • Liuli Jin

  • Xueyang Zhang

  • Pan Jiang

  • Yuan Lin

  • Qun Yang

  • July 16, 2026

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  • 1

    The study evaluated the reproducibility of the Frankfort horizontal plane (FHP) using CBCT-based 3D reconstruction in patients with facial deformities.

  • 2

    Twenty-seven patients underwent both CBCT scanning and lateral cephalometric radiography for comparison of FHP establishment methods.

  • 3

    CBCT 3D reconstruction demonstrated good reproducibility for FHP, while lateral cephalometric measurements showed larger reproducibility errors.

  • 4

    Intra-class correlation coefficients and Bland–Altman analysis were used to assess reproducibility and agreement between the two methods.

  • 5

    The findings suggest that CBCT-based methods may enhance the reliability of FHP construction for craniofacial diagnosis and treatment planning.

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