Abstract
The bite force and EMG activity of jaw closing muscles were studied at seven different vertical jaw positions around the occlusal vertical dimension (OVD) in 10 edentulous subjects. When the masseteric EMG activity was maintained at constant values (40% and 20% of the maximum activity at the OVD), the bite force increased in proportion to increase of the vertical dimension. On the other hand, when the bite force was maintained at constant values (4 kg and 8 kg), the EMG activities of the jaw closing muscles decreased, with an increase of the vertical dimension. These results indicate that the OVD is not the position at which the most efficient exertion of the bite force is obtained.
| Original language | English |
|---|---|
| Pages (from-to) | 336-341 |
| Number of pages | 6 |
| Journal | Journal of oral rehabilitation |
| Volume | 23 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 1996 Jan 1 |
ASJC Scopus subject areas
- Dentistry(all)
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Morimoto, T., Abekura, H., Tokuyama, H., & Hamada, T. (1996). Alteration in the bite force and EMG activity with changes in the vertical dimension of edentulous subjects. Journal of oral rehabilitation, 23(5), 336-341. https://doi.org/10.1111/j.1365-2842.1996.tb00861.x