アラカワ　タカヒロ   荒川　貴博    所属   工学部 電気電子工学科    職種   准教授
言語種別	英語
発行・発表の年月	2023/04
形態種別	学術論文
査読	査読あり
標題	Wireless Unconstrained Monitoring of Intra-oral Temperature Using Thermistor and Telemeter Sealed in Mouthguard
執筆形態	共著
掲載誌名	Sensors and Materials
掲載区分	国外
出版社・発行元	Myu
巻・号・頁	35(4),pp.1315-1325
総ページ数	10
国際共著	国際共著
著者・共著者	Iitani, K., Kishima, K., Kasuga, Y., Yokota, K., Nitta, H., Onchi, K., Kawase, G., Umezawa, K., Toma, K., Arakawa, T., Dao, D. V., Mitsubayashi, K.
概要	Monitoring body temperature has the potential to evaluate physical conditions. The oral cavity has a large accessible volume and exhibits a temperature close to the deep body temperature; the wireless monitoring of intra-oral temperature is also possible. However, devices must be small enough to not interfere with tongue movement. Here, we fabricated a mouthguard (MG) thermometer that housed a telemeter, a thermistor, and a battery on the buccal side surface of the molar and premolar of the upper jaw. The devices were sealed between two layers of MG material for waterproofing. Sealing the devices induced a longer response time to temperature changes (from 3.2 to 12.2 s), but the quantitative characteristics did not change. Rapid changes in intra-oral temperature were successfully monitored when ingesting water of various temperatures by using the MG thermometer. Moreover, a high correlation between the difference in the intra-oral and water temperatures and the intra-oral temperature change was observed. In addition, stable wireless measurement was possible during 3 h in an office with the wearer engaged in normal activities. The effects of changes in ambient temperature and the wearing of face masks on intra-oral and skin temperatures were also investigated, where an effect of ambient temperature on skin temperature but not on intra-oral temperature was observed. These results suggest that wireless temperature monitoring in the oral cavity is feasible.
外部リンクURL	https://doi.org/10.18494/SAM4218