PROBLEM TO BE SOLVED: To further accurately measure a state inside an oral cavity.;SOLUTION: An oral cavity measuring system 1 includes: an oral cavity measuring device 10 that acquires potential difference distribution information representing a distribution of a potential difference generated when a weak current is applied in the inside of an oral cavity of an object person; and an analyzer 20 that creates sectional images of the inside of the oral cavity on the basis of the potential difference distribution information of the oral cavity measuring device 10 and detects changes therein. The oral cavity measuring device 10 includes a potential difference information acquisition unit 11 for acquiring the potential difference distribution information, and a measurement result transmission unit 13 for transmitting the potential difference distribution information to the analyzer 20. The analyzer 20 includes: a measurement result reception unit 21 for receiving the potential difference distribution information; a measurement position specification unit 22 for specifying a position at which the potential difference distribution information is acquired, in the inside of the oral cavity of the object person; a sectional image generation unit 24 for generating the sectional image of the inside of the oral cavity on the basis of the potential difference distribution information and the position at which the potential difference distribution information is acquired; a sectional image storage unit 25 for storing sectional images; and a change detection unit 26 for detecting the time-series changes in the sectional images.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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