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Potential Assessment of Dehydration during High-Intensity Training Using a Capacitance Sensor for Oral Mucosal Moisture: Evaluation of Elite Athletes in a Field-Based Survey

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Department of Sports Medicine/Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
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Department of Maxillofacial Prosthetics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
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Public Interest Incorporated Association, Japan Triathlon Union, Tokyo 160-0013, Japan
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Faculty of Human Development and Culture, Fukushima University, Fukushima 960-1296, Japan
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Graduate School of Sport Sciences, Waseda University, Saitama 359-1192, Japan
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Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8510, Japan
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Oral Health Center, Sumitomo Corporation, Tokyo 100-8601, Japan
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Faculty of Sport Science, Waseda University, Saitama 359-1192, Japan
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Bunka Gakuen University, Tokyo 151-8523, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Pietro Salvo
Chemosensors 2021, 9(8), 196; https://doi.org/10.3390/chemosensors9080196
Received: 23 June 2021 / Revised: 20 July 2021 / Accepted: 24 July 2021 / Published: 28 July 2021
(This article belongs to the Special Issue pH Sensors, Biosensors and Systems)
Background: The aim of this clinical study was to reveal the relationship between body dehydration and oral mucosa moisture measured by the use of a capacitance sensor for oral epithelial moisture. Methods: The following clinical parameters were recorded from each one of 19 athletes in a one-week period of high-intensity exercise at the U-23 Triathlon Training Camp in summer and winter; body weight, urine specific gravity, oral mucosa moisture, subjective oral thirst, and subjective throat thirst (within 30 min after waking and before breakfast at 7:00 a.m. on Day2 and Day6). Results: There were no significant differences in the mean values of body weight, urine specific gravity, oral mucosa moisture, oral thirst, and throat thirst between Day2 and Day6 in both measurements in summer and winter. The oral mucosa moisture had a moderate negative correlation with urine specific gravity (p < 0.05, r = −0.45). Conclusions: This study suggests that oral mucosal moisture determined using an oral moisture-checking device could be a potential index for assessing dehydration during sports activities. View Full-Text
Keywords: dehydration; capacitance sensor; oral mucosal moisture; urine specific gravity dehydration; capacitance sensor; oral mucosal moisture; urine specific gravity
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MDPI and ACS Style

Tanabe, G.; Hasunuma, T.; Inai, Y.; Takeuchi, Y.; Kobayashi, H.; Hayashi, K.; Shimizu, S.; Kamiya, N.S.; Churei, H.; Sumita, Y.I.; Suzuki, K.; Moriya, N.; Ueno, T. Potential Assessment of Dehydration during High-Intensity Training Using a Capacitance Sensor for Oral Mucosal Moisture: Evaluation of Elite Athletes in a Field-Based Survey. Chemosensors 2021, 9, 196. https://doi.org/10.3390/chemosensors9080196

AMA Style

Tanabe G, Hasunuma T, Inai Y, Takeuchi Y, Kobayashi H, Hayashi K, Shimizu S, Kamiya NS, Churei H, Sumita YI, Suzuki K, Moriya N, Ueno T. Potential Assessment of Dehydration during High-Intensity Training Using a Capacitance Sensor for Oral Mucosal Moisture: Evaluation of Elite Athletes in a Field-Based Survey. Chemosensors. 2021; 9(8):196. https://doi.org/10.3390/chemosensors9080196

Chicago/Turabian Style

Tanabe, Gen, Tetsuya Hasunuma, Yuto Inai, Yasuo Takeuchi, Hiroaki Kobayashi, Kairi Hayashi, Shintaro Shimizu, Nana S. Kamiya, Hiroshi Churei, Yuka I. Sumita, Katsuhiko Suzuki, Naoki Moriya, and Toshiaki Ueno. 2021. "Potential Assessment of Dehydration during High-Intensity Training Using a Capacitance Sensor for Oral Mucosal Moisture: Evaluation of Elite Athletes in a Field-Based Survey" Chemosensors 9, no. 8: 196. https://doi.org/10.3390/chemosensors9080196

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