Adaptation of Guinea-pig superficial masseter muscle to an increase in occlusal vertical dimension

1999 ◽  
Vol 44 (4) ◽  
pp. 329-335 ◽  
Author(s):  
Yoshiki Ohnuki ◽  
Yasutake Saeki ◽  
Akira Yamane ◽  
Kenichi Kawasaki ◽  
Keiji Yanagisawa
Keyword(s):  
Guinea Pig ◽  
Masseter Muscle ◽  
Vertical Dimension ◽  
Occlusal Vertical Dimension

An Involvement of Trigeminal Mesencephalic Neurons in Regulation of Occlusal Vertical Dimension in the Guinea Pig

2003 ◽  
Vol 82 (7) ◽  
pp. 565-569 ◽  
Author(s):  
W. Zhang ◽  
M. Kobayashi ◽  
M. Moritani ◽  
Y. Masuda ◽  
J. Dong ◽  
...  
Keyword(s):  
Guinea Pig ◽  
Vertical Dimension ◽  
Occlusal Vertical Dimension

Role of Occlusal Vertical Dimension in Spindle Function

2005 ◽  
Vol 84 (3) ◽  
pp. 245-249 ◽  
Author(s):  
T. Yabushita ◽  
J.L. Zeredo ◽  
K. Toda ◽  
K. Soma
Keyword(s):  
Muscle Spindle ◽  
Masseter Muscle ◽  
Muscle Spindles ◽  
Vertical Dimension ◽  
Physiological Adaptation ◽  
Sensory Plasticity ◽  
Jaw Muscle ◽  
Female Wistar Rats ◽  
Occlusal Vertical Dimension ◽  
Spindle Function

Several studies have suggested the jaw-muscle spindle as the receptor responsible for regulating and maintaining the occlusal vertical dimension (OVD). However, to challenge this assumption, we hypothesized that long-term changes in OVD could affect the sensory inputs from jaw-muscle spindles. In this study, we investigated changes in masseter muscle spindle function under an increased OVD (iOVD) condition. Responses of primary and secondary endings of masseter muscle spindles to cyclic sinusoidal stretches were investigated. Twenty barbiturate-anesthetized female Wistar rats were divided into control and iOVD groups. Rats in the iOVD group received a 2.0-mm composite resin build-up to the maxillary molars. After iOVD, masseter muscle spindle sensitivity gradually decreased. Primary and secondary spindle endings were affected differently. We conclude that iOVD caused reduction in masseter muscle spindle sensitivity. This result suggests that peripheral sensory plasticity may occur following changes in OVD. Such changes may provide a basis for physiological adaptation to clinical occlusal adjustments.

Adjustment of the Occlusal Vertical Dimension in the Bite-raised Guinea Pig

2003 ◽  
Vol 82 (2) ◽  
pp. 127-130 ◽  
Author(s):  
T. Yagi ◽  
T. Morimoto ◽  
O. Hidaka ◽  
K. Iwata ◽  
Y. Masuda ◽  
...  
Keyword(s):  
Guinea Pig ◽  
Vertical Dimension ◽  
Occlusal Vertical Dimension

scholarly journals Influence of Changes in Occlusal Vertical Dimension on Tongue Pressure to Palate during Swallowing

2002 ◽  
Vol 1 (1) ◽  
pp. 16-23 ◽  
Author(s):  
Kan Nagao ◽  
Naoki Kitaoka ◽  
Fumiaki Kawano ◽  
Junji Komoda ◽  
Tetsuo Ichikawa
Keyword(s):  
Vertical Dimension ◽  
Tongue Pressure ◽  
Occlusal Vertical Dimension
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