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An acoustically investigated case of phonetic change in higher vertical dimension
O Yamamura1, U Hata, T Nakajima
1The Third Department of Prosthetic Dentistry, Asahi University, School of Dentistry.
Abstract:
This report presents the phonetic changes of a patient whose occlusal vertical dimension is extended. His chief complaint is esthetic restoration of his anterior teeth, but his occlusal vertical dimension is abnormally shortened by long-time attrition. Therefore we extended his occlusal vertical dimension, and reconstructed his occlusion, and carried out acoustic observations.