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  • Title: The variability of condylar point pathways in open-close jaw movements.
    Author: Peck CC, Murray GM, Johnson CW, Klineberg IJ.
    Journal: J Prosthet Dent; 1997 Apr; 77(4):394-404. PubMed ID: 9104717.
    Abstract:
    STATEMENT OF PROBLEM: Clinical assessments of condylar movement often rely on the movement of a single clinically determined or average value condylar point. PURPOSE: The aim of this investigation was to study the effect of differences in condylar point location on recorded movement trajectories with an open-close jaw movement. METHODS: Recordings were made of the movements of various condylar points in 44 subjects. The points were identified clinically (average value points) and radiographically. RESULTS: The trajectory of each condylar point, whether average value or radiographically determined, was different in form and dimension from any other condylar point within a subject for the same open-close jaw movement. CONCLUSIONS: Depending on the point chosen in the vicinity of the condyle, quite different interpretations of condylar movement within a subject could be made. The data underscore the caution that must be exercised when interpreting condylar movement from the movement of a single condylar point.
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