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[Comparative studies on the axial point of the prosthesis]
Deutsche Zahnarztliche Zeitschrift
|December 1, 1979
Summary
Determining the temporomandibular joint
Area of Science:
- Dentistry
- Biomechanics
- Prosthodontics
Background:
- Accurate temporomandibular joint (TMJ) axis determination is crucial for dental restorations.
- Existing methods for locating the axial point of the TMJ have varying degrees of accuracy.
Purpose of the Study:
- To compare the arbitrarily determined axial point of the TMJ with the true hinge axis.
- To assess the deviation between these points using established procedures.
Main Methods:
- Arbitrarily determined the TMJ axial point using a teleradiographic cephalostat.
- Applied Gerber, Ramfjord, Posselt, Hobo procedures, and Whip-Mix-Quick-Mount external arch.
- Measured the deviation of the determined axial point from the true hinge axis.
Main Results:
- Quantified the distance between the arbitrarily determined axial point and the true hinge axis.
- Established a method for measuring this deviation.
Conclusions:
- Minimizing occlusal errors in prosthetic and restorative dentistry is achievable.
- Accurate centric tracing is essential for reducing occlusal errors in dental work.