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The swallowing position as a centric relation record

A M Abdel-Hakim

    The Journal of Prosthetic Dentistry
    |January 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    The natural swallowing position in patients deviates from the ideal intercuspal position (IP). This finding questions the reliability of using the swallowing position for accurate centric relation records in dentistry.

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    Area of Science:

    • Dentistry
    • Biomechanics
    • Occlusion

    Background:

    • Accurate centric relation records are crucial for prosthodontic treatment planning.
    • The swallowing position is sometimes used as a reference point for determining centric relation.
    • Understanding jaw movement during swallowing is essential for occlusal analysis.

    Purpose of the Study:

    • To investigate the spatial relationship between the natural swallowing position and the intercuspal position (IP).
    • To evaluate the validity of using the swallowing position for recording centric relation.

    Main Methods:

    • Intraoral tracings were used to record the swallowing position in six patients.
    • Measurements were taken at the natural occlusal vertical dimension.
    • Deviations from the IP were quantified in anteroposterior and lateral dimensions.

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    Main Results:

    • The swallowing position demonstrated significant anteroposterior deviations from the IP.
    • Lateral deviations of the swallowing position from the IP were also observed.
    • Individual patient variations in swallowing position relative to IP were noted.

    Conclusions:

    • The natural swallowing position is not consistently coincident with the intercuspal position.
    • The observed deviations raise concerns about the accuracy of using the swallowing position for centric relation records.
    • Further research is needed to validate alternative methods for centric relation recording.