Study of the Effect of Different Sour Stimulus Concentrations and Circadian Rhythm on Salivary Volume by the Modified Ion Dilution Method
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概要
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In the current study, we used the modified ion dilution method to evaluate the influence of the circadian rhythm on the salivary volume in response to varying sour concentrations. We found that the salivary volume changed depending on when the sample was taken and on the sour concentration. Specifically, there was a definite trend for the salivary volume to be low in the morning and to increase from around lunchtime to evening. In addition, the influence of the circadian rhythm on salivary volume tended to be reduced by a strong taste stimulation (high sour concentration). These results suggest that the greater the amount of stimulation (sour stimulation), the smaller the effect of circadian rhythm on the salivary volume.
著者
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Kuyama Kayo
Department Of Oral Pathology And Clinical Laboratory Nihon University School Of Dentistry At Matsudo
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Mega Junichi
Department Of Dentistry For The Disabled And Research Institute Of Oral Science Nihon University Sch
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Arikawa Kazumune
Department Of Community Oral Health Nihon University School Of Dentistry At Matsudo
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Wang Jing
Department Of Biological Sciences Texas Tech University
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Yamamoto Hirotsugu
Department of Optical Science and Technology, Faculty of Engineering, The University of Tokushima, 2-1, Minamijosanjima-cho, Tokushima 770-8506, Japan
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Taguchi Chieko
Departments of Preventive and Public Oral Health, Nihon University School of Dentistry at Matsudo, Matsudo,Chiba 271-8587, Japan
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Gotouda Hiroya
Department of Community Oral Health, Nihon University School of Dentistry at Matsudo
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Sasai Hirofumi
Department of Oral Medicine, Nihon University School of Dentistry at Matsudo
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Kobayashi Seigo
Department of Community Oral Health, Nihon University School of Dentistry at Matsudo
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