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Cranio-maxillary fixation using supra-orbital pins.

J Wallace, R D Bagnall

    International Journal of Oral and Maxillofacial Surgery
    |February 1, 1986
    PubMed
    Summary
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    This study quantifies the force resistance of cranio-maxillary fixation external frames. Supra-orbital pin frames show varying effectiveness against backward and occlusal forces, aiding objective assessment.

    Area of Science:

    • Craniofacial surgery
    • Biomechanical engineering
    • Orthodontics

    Background:

    • External fixation frames are crucial for cranio-maxillary stabilization.
    • Supra-orbital pin frames are clinically utilized for cranio-maxillary fixation.
    • Objective assessment of frame resistance is needed for clinical decision-making.

    Purpose of the Study:

    • To compare the force resistance capabilities of different external fixation frames for cranio-maxillary applications.
    • To objectively assess the effectiveness of frames utilizing supra-orbital pins.
    • To evaluate resistance to both backward displacement and occlusal forces.

    Main Methods:

    • Quantification of resistance forces exerted by three distinct cranio-maxillary external fixation frames.

    Related Experiment Videos

  • Measurement of resistance to backward displacement of the maxilla for each frame.
  • Assessment of resistance to occlusal forces for two comparative frames.

    • Main Results:

    • Varied levels of resistance to backward displacement were observed among the three tested frames.
    • Differential resistance to occlusal forces was identified between the two comparative frames.
    • The study provides quantitative data on the biomechanical performance of fixation frames.

    Conclusions:

    • The findings offer an objective basis for selecting external fixation frames in cranio-maxillary procedures.
    • Understanding frame resistance is vital for optimizing patient outcomes and preventing complications.
    • Further research can refine frame design based on biomechanical testing data.