Biomedical subjects
Publications and source records attributed to B Kordass.
36 patients with clicking of the TMJ during chewing were examined to determine the influence of clicking sounds on masticatory performance. Electrognathographic measurements of chewing movements in the sagittal plane were compared with the electronic records of clicking sounds. Four characteristic features of chewing movements associated with the incidence of clicking sounds could be identified.
In diagnosis and therapy of temporomandibular joint disorders magnetic resonance imaging is an ideal method for visualizing hard and soft tissue structures of the temporo-mandibular joint in a short examination. In this paper we present the main criteria used in interpretating magnetic resonance images and explain these criteria in patient cases.
Based on the case of one patient with persistent TMJ disorders a method is described where the use of electrognathographic measurements allows the localization of particularly interesting functional TMJ positions for magnetic resonance imaging. This method renders morphological TMJ alterations of functional importance more easy to detect.
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The virtual articulator (VA) is intended for use as a tool for the analysis fo the complex static and dynamic occlusal relations. Its chief application is in individual diagnosis and the simulation of the mechanical articulator. As entry data, the VA requires digital, 3-dimensional representations of the jaws and patient-specific data on jaw movement. It then simulates jaw movement and provides a dynamic visualization of the occlusal contacts. If no patient-specific data are available, the modus operandi of the mechanical articulator can be simulated. Virtual reality (VR) techniques applied in computer-aided diagnosis are revolutionizing medical routine in many disciplines. Particularly in the field of dental engineering, VR combined with CAD/CAM technology has great potential in implant planning and design in terms of greater precision and shorter treatment duration. The geometry of teeth can be digitized, the implant models can be designed with specialized CAD systems, and the final implants can be manufactured with a CNC machine. In this context, the virtual articulator completes the digital manufacturing process.
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