Condylar Guidance_ Protrusion Versus Opening Analysis
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The document presents an observational cross-sectional study that investigates condylar guidance angles during two distinct mandibular movements: protrusion and mouth opening. Researchers utilized both electronic axiography (Modjaw system) and Cone Beam Computed Tomography (CBCT) to assess these angles in 30 healthy young adults. The study found a moderate positive correlation between angles measured in protrusion and opening, but critically, protrusive movements yielded more consistent and reliable results than opening movements. These findings suggest that protrusive measurements are more suitable for programming dental articulators, which are devices used to simulate jaw movements for prosthetic dental work, thereby enhancing precision in TMJ diagnostics and prosthodontic rehabilitation.
1.Lassmann, Ł., Żółtowska, A., Teślak-Piesyk, M. & Yar, R. Comparison of Condylar Guidance in Opening and Protrusion Using Electronic Axiography and CBCT: An Observational Cross-Sectional Study. Appl. Sci. 15, 5993 (2025).
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