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[Masticatory surface complex and stress on the prosthesis bed].

W Kühl, A Rossbach

    Deutsche Zahnarztliche Zeitschrift
    |August 1, 1979
    PubMed
    Summary
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    Reproducing calotte-shaped movements with the Dentatus articulator is accurate to 60 micrometers. Condyle path inclination and incisal guidance are key factors, outweighing the Bennett angle in dental articulator reproducibility.

    Area of Science:

    • Dental mechanics
    • Biomechanical analysis
    • Articulator technology

    Context:

    • Evaluating the precision of dental articulators is crucial for accurate prosthodontic and orthodontic treatment planning.
    • The Dentatus articulator is a widely used instrument in dentistry for simulating mandibular movements.
    • Understanding the factors influencing the reproducibility of simulated jaw movements is essential for clinical applications.

    Purpose:

    • To assess the reproducibility of calotte-shaped movements using the Dentatus articulator.
    • To quantify the accuracy of recorded calotte movements during lateral excursions.
    • To determine the relative importance of condyle path inclination, incisal guidance, and Bennett angle in achieving reproducible movements.

    Summary:

    • Calotte-shaped movements were reproduced using a Dentatus articulator with an electronic pointer system.

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  • The study demonstrated a reproducibility accuracy of 60 micrometers for these movements.
  • Condyle path inclination and incisal guidance were found to be more significant determinants of reproducibility than the Bennett angle.
  • Impact:

    • This research provides valuable data on the precision of dental articulators, enhancing the reliability of diagnostic and treatment simulations.
    • Findings can inform the selection and use of articulators in dental education and clinical practice.
    • Improved understanding of movement reproducibility contributes to more predictable outcomes in restorative dentistry and orthodontics.