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Related Experiment Videos

[Precision of semiadjustable articulators].

T Reiber, N Hille

    ZWR
    |February 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

    Centric lock is essential for reproducible centric positions in semiadjustable articulators. Manual guidance and auxiliary devices do not prevent deviations under normal pressure, impacting dental device precision.

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    Area of Science:

    • Dental technology
    • Prosthodontics
    • Occlusion

    Background:

    • Semiadjustable articulators are crucial for dental restorations.
    • Ensuring accurate centric relation is vital for occlusal harmony.
    • Variability in articulator precision can affect treatment outcomes.

    Purpose of the Study:

    • To evaluate the precision of semiadjustable articulators.
    • To determine the effectiveness of centric lock mechanisms.
    • To assess alternative methods for achieving centric relation.

    Main Methods:

    • Tested 11 semiadjustable articulators.
    • Investigated the role of centric lock in maintaining position.
    • Assessed manual guidance and feather devices for centric relation.

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  • Applied standard pressure to evaluate deviations.

    • Main Results:

    • Reproducible centric position requires the use of a centric lock.
    • Manual guidance of the condylar element is insufficient.
    • Auxiliary devices like feathers do not prevent positional deviation.
    • All tested articulators exhibited significant differences under pressure.

    Conclusions:

    • Centric lock is indispensable for accurate and reproducible centric positions.
    • Semiadjustable articulators require specific techniques for optimal precision.
    • Clinicians should be aware of potential deviations in articulator performance.