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T-Scan System Accuracy Studies
Abstract
The precision analysis of occlusal contacts and occlusal force is a problem in functional diagnostics that has not yet been satisfactorily resolved, despite the fact that the deleterious consequences of an unbalanced occlusion are widespread and can be severe. In clinical practice, the present-day analysis of the occlusion is reduced to depicting force with color-marking foils that leave ink marks upon the teeth. However, these foils and papers only indicate the localization of contacts, but do not describe reliably the occlusal force relationships. Precise analysis that incorporates time resolution, and plots the distribution of forces within the occlusion, is not possible when employing the traditional occlusal indicator methods. A detailed occlusal force and timing analysis can however be provided by performing a computer-assisted analysis, using the T-Scan occlusal analysis system, which records changing relative occlusal force levels and real-time occlusal contact sequence data with high definition (HD) piezoelectric recording sensors. This chapter includes five different T-Scan system force reproduction studies (2 T-Scan III studies, 1 T-Scan 9 study, and 2 T-Scan 10 Novus studies), three T-Scan Time-based quantification studies, and one repeatability and reproducibility bench analysis comparing T-Scan 10 Novus to the Occlusense system. Taken all together, these studies demonstrate the accuracy, repeatability, and consistency of this high-precision computer-based occlusal function measurement method.
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