WO2022176617A1 - Instrument de lavage de la bouche, dispositif de détermination de maladie parodontale, système de détermination de maladie parodontale, procédé de détermination de maladie parodontale et programme de détermination de maladie parodontale - Google Patents

Instrument de lavage de la bouche, dispositif de détermination de maladie parodontale, système de détermination de maladie parodontale, procédé de détermination de maladie parodontale et programme de détermination de maladie parodontale Download PDF

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Publication number
WO2022176617A1
WO2022176617A1 PCT/JP2022/003981 JP2022003981W WO2022176617A1 WO 2022176617 A1 WO2022176617 A1 WO 2022176617A1 JP 2022003981 W JP2022003981 W JP 2022003981W WO 2022176617 A1 WO2022176617 A1 WO 2022176617A1
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WIPO (PCT)
Prior art keywords
periodontal disease
unit
user
oral cavity
disease determination
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PCT/JP2022/003981
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English (en)
Japanese (ja)
Inventor
真美 筒井
浩輝 篠田
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パナソニックＩｐマネジメント株式会社
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Publication of WO2022176617A1 publication Critical patent/WO2022176617A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry

Definitions

  • the present disclosure relates to a mouthwash, a periodontal disease determination device, a periodontal disease determination system, a periodontal disease determination method, and a periodontal disease determination program.
  • Patent Literature 1 discloses a mobile phone having an exhalation component measurement function.
  • the mobile phone disclosed in Patent Document 1 is equipped with a semiconductor gas sensor that responds to components contained in exhaled air emitted from the human body.
  • Some human halitosis is caused by diseases in the body such as periodontal disease and visceral disease. . Therefore, it is expected that, for example, the degree of periodontal disease can be estimated by determining the components of human exhalation.
  • the components of human exhalation may contain various odors other than the odor derived from periodontal disease, such as food residue odors (that is, a type of noise odor). is complicated. Therefore, for example, when the user's breath is measured by the mobile phone disclosed in Patent Document 1, it is difficult to accurately estimate the degree of periodontal disease due to the influence of noise and odor caused by food residue, and the degree of bad breath is difficult to estimate. Stop judging.
  • an object of the present disclosure is to provide an oral irrigator, a periodontal disease determination device, and a periodontal disease device capable of acquiring information in the oral cavity of a user, which is used for more accurately estimating the degree of periodontal disease.
  • An object of the present invention is to provide a determination system, a periodontal disease determination method, and a periodontal disease determination program.
  • An oral cavity irrigator includes a cleaning process control unit that controls the cleaning process of the oral cavity by a cleaning unit for cleaning the oral cavity, and an intraoral information acquisition unit that acquires information on.
  • a periodontal disease determination device is a periodontal disease determination device including the above-described oral washer, and is based on the intraoral information acquired by the intraoral information acquisition unit. It has an estimator for estimating the degree of peri-morbidity.
  • a periodontal disease determination system is a periodontal disease determination system configured by the above-described oral washer and a terminal capable of communicating with the oral washer, wherein the oral washer contains intraoral information
  • the terminal further includes a transmitting unit configured to transmit the intraoral information acquired by the acquiring unit as detection data.
  • An estimating unit for estimating the degree of disease is provided.
  • a periodontal disease determination system is a periodontal disease determination system configured by a terminal capable of communicating with the above mouthwash, wherein the mouthwash is extracted by the component information extraction unit.
  • the terminal further includes a transmitting unit that transmits the extracted data, and the terminal includes an estimating unit that determines the components in the oral cavity based on the extracted data transmitted from the mouthwash and estimates the degree of periodontal disease of the user.
  • a periodontal disease determination method is a periodontal disease determination method executed by a computer, which controls a cleaning unit that cleans the oral cavity, acquires information on the user's oral cavity, and acquires Based on the obtained intraoral information of the user, the degree of periodontal disease of the user is estimated.
  • a periodontal disease determination program includes steps of controlling a cleaning unit that cleans the oral cavity, acquiring information on a user's oral cavity, and based on the acquired information on the user's oral cavity and estimating the degree of periodontal disease of the user.
  • an oral irrigator, a periodontal disease determination device, and a periodontal disease determination system capable of acquiring information in the user's oral cavity to be used for more accurately estimating the degree of periodontal disease , a periodontal disease determination method, and a periodontal disease determination program.
  • FIG. 1 is a schematic diagram showing a periodontal disease determination system according to a first embodiment
  • FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram which shows schematic structure of the periodontal disease determination system which concerns on 1st Embodiment.
  • Fig. 3 is a block diagram showing the functional configuration of the controller of the mouthwash device according to the first embodiment;
  • FIG. 3 is a diagram for explaining frequency components of exhalation according to the first embodiment;
  • FIG. FIG. 4 is a diagram showing an example of an image displayed on the terminal according to the first embodiment;
  • 4 is a diagram for explaining estimation of the degree of periodontal disease according to the first embodiment; It is a figure which shows the example which the estimation result of the degree of periodontal disease which concerns on 1st Embodiment was displayed on the user terminal. 4 is a flowchart showing an example of processing of the periodontal disease determination system according to the first embodiment; It is a schematic diagram showing a periodontal disease determination device according to a second embodiment. It is a block diagram showing a schematic configuration of a periodontal disease determination device according to a second embodiment. It is a block diagram which shows the functional structure of the periodontal disease determination apparatus which concerns on 2nd Embodiment.
  • FIG. 12 is a block diagram showing the configuration of a server according to the third embodiment;
  • FIG. 11 is a flow chart showing an example of processing of a periodontal disease determination system according to a third embodiment;
  • FIG. 12 is a block diagram for explaining the machine learning function of the periodontal disease determination system according to the third embodiment;
  • the periodontal disease determination system 1 cleans the user's oral cavity in the oral cavity irrigator 10 including the gas sensor 12, detects exhalation after cleaning, detects frequency component information of the exhalation, It is sent to terminal 20 via network 30 . Then, the terminal 20 determines the frequency components of the exhalation and estimates the periodontal disease.
  • the periodontal disease determination system 1 will be described below with reference to several specific embodiments.
  • FIG. 1 is a configuration diagram showing an outline of a periodontal disease determination system 1 according to the first embodiment.
  • a periodontal disease determination system 1 includes a mouthwash 10 having a gas sensor 12 and a terminal 20 .
  • the mouthwash 10 includes a cleaning unit 11, a gas sensor 12, a switch 13, a display unit 14, and a water tank 15.
  • the mouthwash 10 also includes a controller 100, as shown in FIG. Details of the controller 100 will be described later.
  • the cleaning unit 11 has a nozzle, and discharges a water stream for oral cleaning through the nozzle. Further, a discharge ONOFF switch (not shown) for controlling ON/OFF of discharge of the water flow from the nozzle is provided in the gripping portion of the nozzle of the cleaning portion 11 . Water accumulated in the water tank 15 is discharged through a hose and a nozzle connected to the mouthwash 10 in response to the user's depression of the discharge ONOFF switch.
  • the nozzle of the cleaning unit 11 is also used when collecting the user's breath. Specifically, the user's breath is taken into the mouth washer 10 by blowing into the tip of the nozzle. The user's breath taken in reaches the gas sensor 12 provided inside the mouthwash 10 and is detected (that is, sensed) by the gas sensor 12 .
  • the oral cavity irrigator 10 has an oral cavity cleaning mode in which a water stream is discharged from a nozzle and an exhaled breath collection mode in which exhaled breath is collected from the nozzle. Switching between the oral cavity cleaning mode and the exhaled breath collection mode is performed by the switch 13, and the mode is switched according to the depression of the switch 13 by the user.
  • the gas sensor 12 is a crystal oscillator type gas sensor equipped with a plurality of sensitive films with different characteristics, and detects whether or not there is a component of a predetermined frequency in the user's exhaled breath sampled through the nozzle of the cleaning unit 11. do.
  • the gas sensor 12 can detect (ie, sense) gas for multiple odors.
  • the oral cavity cleaner 10 also includes a filter (not shown) capable of adjusting the humidity of exhaled air flowing between the nozzle of the cleaning unit 11 and the gas sensor 12 .
  • This filter serves to remove moisture contained in the sampled user's exhaled breath. By using this filter, it is possible to reduce the influence on the gas sensor 12 of moisture contained in exhaled breath.
  • VSC volatile sulfur compounds
  • This volatile sulfur compound mainly consists of three types of gases, hydrogen sulfide, methyl mercaptan, and dimethyl sulfide.
  • methyl mercaptan is particularly detected from the exhaled air of patients with periodontal disease.
  • the degree of periodontal disease is estimated based on the correlation between this methyl mercaptan and hydrogen sulfide used as reference data.
  • reference data has a specific relationship with the data to be measured (that is, substance).
  • Methyl mercaptan which is the data to be measured in this embodiment
  • hydrogen sulfide which is the reference data
  • Methyl mercaptan and hydrogen sulfide have a relationship such that a certain amount of hydrogen sulfide is detected in exhaled breath in which methyl mercaptan is detected. Therefore, by estimating the degree of periodontal disease based on the correlation between methyl mercaptan and hydrogen sulfide, it is possible to estimate the degree of periodontal disease more accurately than simply estimating with methyl mercaptan. becomes.
  • dimethyl sulfide is a substance that is often detected from the breath of patients with visceral diseases.
  • the gas sensor 12 is configured as a crystal oscillator type gas sensor, but the configuration is not limited to this, and the gas sensor 12 may be configured using an oxide semiconductor gas sensor, other gas sensors, or the like.
  • the switch 13 is a switch for switching the oral cavity cleaning device 10 between an oral cavity cleaning mode and an exhaled breath collection mode, and is pressed by the user.
  • the pressing information of the switch 13 pressed by the user is notified to the controller 100 in the mouth washer 10 .
  • the switch 13 may be composed of a plurality of switches corresponding respectively to the mouthwash mode and the breath collection mode.
  • the switch 13 may be configured to switch between the standby mode, the mouthwash mode, and the breath collection mode in the order in which the user presses the switch.
  • the display unit 14 is a lamp that indicates whether the mode switched (that is, selected) by the switch 13 is the mouthwash mode or the breath collection mode.
  • the display unit 14 may have a function of lighting in a standby state (that is, standby mode).
  • the controller 100 includes a control unit 110, a storage unit 120, a communication IF 130, and an input/output IF 140. Further, the controller 100 may be configured as a general-purpose microcomputer including a CPU (that is, the control unit 110), a memory (that is, the storage unit 120), and an input/output unit (for example, the communication IF 130 and the input/output IF 140). good.
  • a computer program for functioning as the mouthwash 10 may be installed in the microcomputer. By executing the computer program, the microcomputer functions as a plurality of information processing circuits provided in the oral washer 10 . In this embodiment, an example of realizing a plurality of information processing circuits provided in the oral cavity irrigator 10 by software is shown. It is also possible to construct an information processing circuit. Also, a plurality of information processing circuits may be configured by individual hardware.
  • the control unit 110 operates based on a program (not shown) stored in the storage unit 120, and as shown in FIG. Each function provided for the transmission unit 114 is executed.
  • the program is not limited to being stored in the storage unit 120, and may be stored in a ROM or the like (not shown) in the controller 100, for example. Details of the cleaning process control unit 111, the gas sensor control unit 112, the frequency component extraction unit 113, and the transmission unit 114 will be described later.
  • the storage unit 120 temporarily stores detection data detected by the gas sensor 12, extraction data of frequency components of the user's exhalation extracted by the frequency component extraction unit 113, and the like.
  • the storage unit 120 may store a program for each function executed by the control unit 110, as described above.
  • the extracted data, programs, and the like stored in the storage unit 120 may be configured as areas provided physically or logically in one storage device. Alternatively, a configuration may be adopted in which the storage units 120 for each data are provided in a plurality of physically different storage devices.
  • the communication IF 130 is an interface for communicating with the terminal 20 via a wired and/or wireless network.
  • the input/output IF 140 is an interface with the cleaning unit 11, the switch 13, the gas sensor 12, and the display unit 14 provided in the mouthwash 10.
  • the control unit 110 acquires the state of the ejection ONOFF switch pressed by the user via the input/output IF 140 . Also, the control unit 110 acquires the state of the switch 13 pressed by the user via the input/output IF 140 . Furthermore, the controller 110 controls the gas sensor 12 according to the state of the switch 13 . Details of the control of the cleaning unit 11 and the gas sensor 12 by the control unit 110 will be described later.
  • the control state of the oral washer 10 is displayed on the display unit 14 according to the control state of the control unit 110 . Specifically, the lamp on the display unit 14 indicates which mode the mouthwash device 10 is in: the standby mode, the mouthwash mode, or the breath collection mode.
  • the cleaning process control unit 111 controls on/off of the oral cavity cleaning mode by discharging the water stream from the nozzle of the cleaning unit 11 . That is, the cleaning processing control unit 111 controls the cleaning processing of the oral cavity by the cleaning unit 11 for cleaning the oral cavity. Specifically, the cleaning process control unit 111 controls the discharge of the water flow from the nozzles of the cleaning unit 11 according to the state of the discharge ONOFF switch.
  • the mouthwash mode is activated in the ON state.
  • the discharge ONOFF switch while the mouthwash mode is on
  • the discharge is turned on, and water is discharged from the nozzle.
  • the discharge ONOFF switch again, the discharge is turned OFF, and the discharge of the water flow from the nozzle is stopped.
  • the gas sensor control unit 112 controls on/off of a breath collection mode in which the gas sensor 12 collects the user's breath. Specifically, the gas sensor control unit 112 turns on the breath collection mode when the collection of the user's breath by the gas sensor 12 is enabled according to the state of the switch 13 . When the breath collection mode is on, the gas sensor 12 is enabled and the user's breath collected from the nozzle of the cleaning unit 11 is sensed. Further, the gas sensor control unit 112 turns off the breath collection mode when disabling collection of the user's breath by the gas sensor 12 .
  • the data detected (that is, sensed) by the gas sensor 12 is referred to as detection data. Detection data detected by the gas sensor 12 is stored in the storage unit 120 . It should be noted that the detection data is stored in the storage unit 120 with the detection time added. Note that the gas sensor control unit 112 corresponds to an intraoral information acquisition unit.
  • the frequency component extraction unit 113 extracts the frequency component (that is, component information) of the detection data of the detected user's exhalation and stores it in the storage unit 120 . Specifically, a predetermined frequency component as shown in FIG. 4 is acquired. The example shown in FIG. 4 shows that the frequencies of the first waveform 113a and the second waveform 113b increase with respect to the exhaled air exhaled by the user from time T1 to time T2. there is The frequency component extraction unit 113 extracts an exhalation component showing a specific frequency in this manner.
  • the first waveform 113a represents the time response characteristic of methyl mercaptan
  • the second waveform 113b represents the time response characteristic of hydrogen sulfide.
  • the data (that is, component information) related to the frequency components extracted by the frequency component extraction unit 113 is referred to as extraction data.
  • the frequency component extraction unit 113 corresponds to a component information extraction unit.
  • the transmission unit 114 transmits the extraction data regarding the frequency components extracted by the frequency component extraction unit 113 to the terminal 20 via the communication IF 130 .
  • the terminal 20 is configured by, for example, a smartphone having a general computer 200 and is usually operated by the user who operates the mouthwash 10 .
  • the terminal 20 may be configured by a mobile device such as a tablet or a notebook computer.
  • the computer 200 of the terminal 20 includes a control section 210, a storage section 220, a communication IF 230, and an input/output IF 240.
  • the terminal 20 displays an image for advice on cleaning the oral cavity on the display device 21.
  • FIG. 5 shows a display example of an image displayed on the terminal 20. As shown in FIG. The user cleans the oral cavity according to the guide (hereinafter referred to as "guide image") shown on the screen as shown in FIG.
  • guide image the guide
  • the image shows teeth to which the water flow from the nozzles should be applied by sequentially moving the position of the hatched portion as indicated by tooth 21b in the direction of arrow 21a.
  • the tooth 21b is not displayed using the shaded area, instead the tooth 21b is highlighted.
  • the control unit 210 of the terminal 20 causes the display device 21 to display the place where breath is collected in the breath collection mode.
  • control unit 210 of the terminal 20 displays a message such as "Direct the nozzle between the inner side of the specified tooth and the gum and blow into it.” Breathe in in breath collection mode.
  • the control unit 210 of the terminal 20 stores in the storage unit 220 the times at which the specified locations in the breath collection mode are specified for each specified location.
  • the designation of the designated portion (for example, teeth) in the breath collection mode does not limit the present embodiment.
  • the periodontal disease determination system 1 may be configured to collect the breath of the entire oral cavity without collecting the breath from each designated location (for example, teeth) in the breath collection mode.
  • the terminal 20 may operate based on a program (not shown) stored in the storage unit 220 to execute a predetermined application.
  • a program not shown
  • the user may input or select a predetermined mode via the display device 21 functioning as a touch panel for the functions of the mouthwash 10 displayed on the display device 21 .
  • the mode of the oral cavity cleaner 10 may be configured such that the strength of the water flow (that is, the water pressure) or the like can be selected.
  • control unit 210 of the terminal 20 receives extraction data of frequency components extracted from the detection data of the user's exhalation from the oral washer 10 and stores it in the storage unit 220 .
  • the control unit 210 of the terminal 20 has an estimation unit 215 as a function.
  • the estimation unit 215 estimates the degree of periodontal disease based on the frequency component.
  • the estimating unit 215 estimates based on a graph having two axes, the principal component A and the principal component B, as the principal components, as shown in FIG.
  • the principal component A indicates the value of the frequency component of methyl mercaptan
  • the principal component B indicates the value of the frequency component of hydrogen sulfide.
  • the estimation unit 215 plots the maximum value of the frequency of the principal component A on the horizontal axis and the maximum value of the frequency of the principal component B on the vertical axis, thereby plotting them on the graph.
  • the estimation unit 215 estimates that the periodontal disease is mild, moderate, or severe when the frequency component value is included in the mild region 114a, the moderate region 114b, or the severe region 114c.
  • the mild, moderate, and severe regions shown in FIG. 6 are grouped based on a clustering method such as the K-means method using frequency components of exhalation detection data previously collected from a plurality of patients with periodontal disease as samples. It is what I did. This makes it possible to estimate the degree of periodontal disease more accurately than, for example, estimating the degree of periodontal disease based on the concentration of a specific component contained in the breath of a periodontal disease patient.
  • the clustering method such as the K-means method does not limit the configuration of the present embodiment, and for example, a hierarchical method such as the shortest distance method or Ward's method may be used as a grouping method.
  • the estimation of the degree of periodontal disease by the estimation unit 215 is performed for each specified location specified in the breath collection mode. That is, the control unit 210 of the terminal 20 stores the time at which the specified location in the breath sampling mode is specified in the storage unit 220 for each specified location, and the time provided corresponding to the extraction data for each specified location. Then, the extracted data and the designated portion are associated with each other.
  • the terminal 20 displays the estimation result of the degree of periodontal disease on the display device 21.
  • FIG. 7 shows an example of a screen displaying the estimated result of the degree of periodontal disease. As indicated by designated portions 21c to 21g in FIG. 7, locations with a high risk of periodontal disease are displayed in a color such as red.
  • the estimated result of the degree of periodontal disease displayed on the display device 21 may have different color densities depending on the degree of mild, moderate, and severe. Alternatively, different patterns may be displayed according to the degrees of mild, moderate, and severe. Note that in the first embodiment, as shown in FIG. 7, the estimation result is displayed for each specified location (for example, tooth) specified in the breath sampling mode. In the first embodiment, if the breath sampling mode is not used to measure each tooth, the display device 21 may display, for example, "Your risk of periodontal disease is high.”
  • the periodontal disease determination process (that is, the periodontal disease determination method) in the oral cavity irrigator 10 having the gas sensor 12 will be described based on the flowchart of FIG. 8 .
  • a series of operations of the oral cavity cleaner 10 shown in the flowchart of FIG. 8 is started when the oral cavity cleaner 10 is activated, and ends when the power is turned off.
  • the process is terminated not only by turning off the power supply but also by an interrupt for ending the process.
  • the same contents as those described in the explanation of the mouthwash 10 will be omitted or simplified.
  • step S801 the cleaning process control unit 111 turns on the cleaning unit 11 to start cleaning the oral cavity. Specifically, the user presses a start switch (not shown) of the cleaning unit 11, and then the user presses the discharge ON/OFF switch of the nozzle. Then, the control unit 110 detects pressing of the discharge ONOFF switch, sends a control instruction to the cleaning processing control unit 111, and mouth cleaning is started.
  • a start switch not shown
  • the control unit 110 detects pressing of the discharge ONOFF switch, sends a control instruction to the cleaning processing control unit 111, and mouth cleaning is started.
  • step S802 the control unit 110 determines whether or not the mouthwash has ended. Specifically, the control unit 110 detects whether or not the ejection ONOFF switch is pressed again by the user's operation to end ejection, thereby determining whether or not mouthwash has ended.
  • step S802 determines in step S802 that oral cavity cleaning has ended (that is, step S802: YES)
  • step S803 determines in step S802 that oral cavity cleaning has not ended.
  • step S802 determines in step S802 that oral cavity cleaning has not ended (that is, step S802: NO)
  • the gas sensor control unit 112 controls the gas sensor 12 , acquires breath detection data, and stores it in the storage unit 120 . That is, it controls on/off of an exhaled breath collection mode in which the gas sensor 12 collects the user's exhaled breath. Specifically, the gas sensor control unit 112 turns on the breath sampling mode when enabling acquisition of detection data of the user's breath by the gas sensor 12 . When the breath collection mode is on, the gas sensor 12 is enabled and the user's breath collected from the nozzle of the cleaning unit 11 is detected. In the exhalation collection mode, the user points the tip of the nozzle to a specified location according to the guide image displayed on the display device 21 of the terminal 20 and blows in exhalation.
  • the gas sensor control unit 112 turns off the breath collection mode when disabling collection of the user's breath by the gas sensor 12 . On/off control of this breath collection mode is performed by the gas sensor control section 112 depending on the state of the switch 13 pressed by the user.
  • the detection data acquisition control in the gas sensor control unit 112 acquires the detection data for each specified location in the breath collection mode displayed on the display device 21 of the terminal 20 described above.
  • the user breathes into each specified location on the display device 21 of the terminal 20, and detection data is collected for each specified location.
  • the switch 13 can independently control the breath collection mode, the user presses the switch 13 for each designated location on the display device 21 of the terminal 20 to collect detection data for each designated location. You may It should be noted that the detection data for each specified location is stored in the storage unit 120 with the detection time added.
  • the frequency component extraction unit 113 extracts frequency component extraction data from the sampled user's exhalation detection data, and stores the extracted data in the storage unit 120.
  • FIG. Specifically, the frequency component extractor 113 extracts a component of a predetermined frequency as shown in FIG.
  • the frequency component of methyl mercaptan in the first waveform 113a is acquired, and the frequency component of hydrogen sulfide in the second waveform 113b is acquired.
  • the extracted data is stored in the storage unit 120 in association with the time acquired when the detection data was detected. After that, the process proceeds to step S805.
  • step S805 the transmission unit 114 transmits the extracted data of the frequency component to the terminal 20 via the communication IF130. After that, the process proceeds to step S806.
  • step S806 the gas sensor control unit 112 turns off the gas sensor 12, ends the breath collection mode, and the process in the mouthwash 10 ends.
  • step S807 the terminal 20 receives the extracted data from the mouthwash 10 via the communication IF230.
  • step S808 the estimation unit 215 of the terminal 20 estimates the degree of periodontal disease. Specifically, the degree of periodontal disease is estimated based on the extracted data of the frequency components. In the present embodiment, the estimating unit 215 estimates the degree of periodontal disease based on a graph with two main axes, the main component A and the main component B, as shown in FIG. In the first embodiment, the estimation unit 215 estimates the degree of periodontal disease for each specified location in the breath sampling mode.
  • step S809 the control unit 210 of the terminal 20 causes the display device 21 to display the estimation result of the degree of periodontal disease via the input/output IF 240.
  • the estimation result of the degree of periodontal disease is displayed as shown in FIG.
  • the periodontal disease determination system 1 includes the gas sensor 12 in the mouth washer 10, and the user can detect exhalation with the gas sensor 12 immediately after performing mouth wash. .
  • the gas sensor 12 in the mouth washer 10
  • the user can detect exhalation with the gas sensor 12 immediately after performing mouth wash. .
  • it is possible to reduce the influence of noise odors and the like caused by food residue, and to appropriately determine odors derived from periodontal disease.
  • the periodontal disease determination system 1 includes a frequency component extraction unit 113 that extracts the frequency component of exhalation based on the components of the detection data detected by the gas sensor 12, and extracts data on the frequency component. and a transmission unit 114 that transmits to the terminal 20 .
  • the periodontal disease determination system 1 sends to the terminal 20 the extracted data obtained by extracting only the necessary frequency components from the detection data detected by the gas sensor 12, thereby transmitting the data to the terminal 20, and The amount of data in estimation processing in the terminal 20 can be reduced.
  • periodontal disease determination system 1 is based on data clustered (that is, grouped) in advance, based on the correlation of extracted data extracted from frequency components, periodontal disease Estimate the degree of For example, it is possible to estimate the degree of periodontal disease more accurately than estimating the degree of periodontal disease based on the concentration of a specific component contained in the breath of a periodontal disease patient.
  • the gas sensor 12 of the oral cavity cleaner 10 is composed of a quartz oscillator type gas sensor.
  • a quartz oscillator type gas sensor can be realized with lower power consumption than a semiconductor gas sensor.
  • the mouth washer 10 can collect the breath in the oral cavity with lower power consumption.
  • the crystal oscillator type gas sensor is smaller than the semiconductor gas sensor, it is also possible to make the oral washer 10 smaller.
  • the oral cavity cleaner 10 further includes a filter for adjusting the humidity of the gas flowing into the gas sensor 12 .
  • This filter makes it possible to remove the moisture contained in the user's exhaled breath, thus reducing the influence of the moisture contained in the exhaled gas on the gas sensor 12 .
  • the terminal 20 is configured to estimate the degree of periodontal disease based on the main components of the user's breath extracted by the mouthwash 10 .
  • a periodontal disease determination device 2 according to a second embodiment for estimating periodontal disease in the mouth washer 10 will be further described with respect to a configuration different from that of the first embodiment.
  • FIG. 9 is a schematic diagram showing the outline of the periodontal disease determination device 2 in the second embodiment.
  • the periodontal disease determination device 2 includes a cleaning section 11 , a gas sensor 12 , an air inlet 16 and a display device 21 .
  • FIG. 10 shows a block diagram of a schematic configuration of the periodontal disease determination device 2 in the second embodiment.
  • FIG. 11 is a block diagram showing the functional configuration of the control section 110 of the periodontal disease determination device 2.
  • the control unit 110 of the periodontal disease determination device 2 includes an estimation unit 115 but does not include a transmission unit 114, unlike the control unit 110 of the oral washer 10 in the first embodiment. is different.
  • the periodontal disease determination device 2 in the second embodiment includes the estimating unit 115, so that the periodontal disease determination device 2 cleans the oral cavity, collects exhaled breath, and detects the frequency components of the exhaled breath. In addition to the extraction of , it becomes possible to estimate the degree of periodontal disease.
  • the user uses the cleaning unit 11 to clean the oral cavity.
  • the cleaning part 11 is configured as the brush portion of a toothbrush. That is, in the second embodiment, the mouthwash device 10 functions as a toothbrush (specifically, an electric toothbrush). As used herein, the term "mouthwash” includes toothbrushes.
  • the user After the user cleans the oral cavity with the periodontal disease determination device 2, the user blows into the blowing port 16, and the periodontal disease determination device 2 collects the user's breath.
  • the gas sensor 12 detects components of the user's exhaled breath.
  • the frequency component extraction unit 113 extracts the frequency component of the detected exhalation of the user. Thereafter, in the second embodiment, the estimation unit 115 estimates the degree of periodontal disease based on the extracted frequency components.
  • the estimated degree of periodontal disease is displayed via the display device 21 .
  • the display device 21 of the periodontal disease determination device 2 is composed of a liquid crystal panel, an LED lamp, or the like. The user can recognize the degree of periodontal disease based on the periodontal disease estimation result displayed on the display device 21 .
  • the periodontal disease determination process (that is, the periodontal disease determination method) of the periodontal disease determination device 2 in the second embodiment will be described based on the flowchart of FIG. 12 .
  • a series of operations of the periodontal disease determining device 2 shown in the flowchart of FIG. 12 is started when the periodontal disease determining device 2 is activated, and ends when the power is turned off.
  • the process is terminated not only by turning off the power but also by an interrupt for ending the process.
  • the same contents as those described in the explanation of the periodontal disease determination device 2 will be omitted or simplified.
  • step S1201 the cleaning process control unit 111 turns on the cleaning unit 11 to start cleaning the oral cavity. Specifically, the user presses a start switch (not shown) of the cleaning unit 11, and then the user presses the discharge ON/OFF switch of the nozzle. Then, the control unit 110 detects pressing of the discharge ONOFF switch, sends a control instruction to the cleaning processing control unit 111, and the mouth cleaning mode is started.
  • a start switch not shown
  • the control unit 110 detects pressing of the discharge ONOFF switch, sends a control instruction to the cleaning processing control unit 111, and the mouth cleaning mode is started.
  • step S1202 the control unit 110 determines whether or not the mouthwash has ended. Specifically, the control unit 110 detects whether or not the ejection ONOFF switch is pressed again by the user's operation to end ejection, thereby determining whether or not mouthwash has ended. If control unit 110 determines in step S1202 that mouthwash has ended (that is, step S1202: YES), the process proceeds to step S1203. On the other hand, if control unit 110 determines in step S1202 that oral cavity cleaning has not ended (that is, step S1202: NO), it returns to step S1202 and repeats the processing of step S1202. That is, the process of step S1202 is repeated until the oral cavity cleaning is completed, and the cleaning process of the oral cavity is performed.
  • the gas sensor control unit 112 controls the gas sensor 12 to acquire breath detection data and store it in the storage unit 120 . That is, it controls on/off of an exhaled breath collection mode in which the gas sensor 12 collects the user's exhaled breath. Specifically, the gas sensor control unit 112 turns on the breath collection mode when enabling collection of the user's breath by the gas sensor 12 . When the breath collection mode is on, the gas sensor 12 is enabled to detect the user's breath collected from the mouthpiece 16 . Further, the gas sensor control unit 112 turns off the breath collection mode when disabling collection of the user's breath by the gas sensor 12 . On/off control of this breath collection mode is performed by the gas sensor control section 112 depending on the state of the switch 13 pressed by the user.
  • step S ⁇ b>1204 the frequency component extraction unit 113 extracts frequency component extraction data from the sampled user's exhalation detection data, and stores the extraction data in the storage unit 120 . Specifically, a predetermined frequency component as shown in FIG. 4 is obtained. After that, the process proceeds to step S1205.
  • step S1205 the gas sensor control unit 112 turns off the gas sensor 12, and the breath collection mode ends.
  • the estimation unit 115 estimates the degree of periodontal disease. Specifically, the estimation unit 115 estimates the degree of periodontal disease based on the extracted data of the frequency component. In the present embodiment, the estimating unit 115 estimates the degree of periodontal disease based on a graph in which the principal components are the two axes of the principal component A and the principal component B, as shown in FIG.
  • step S ⁇ b>1207 the control unit 110 causes the display device 21 to display the estimation result of the degree of periodontal disease via the input/output IF 140 .
  • the periodontal disease determination device 2 in the second embodiment may be capable of communicating with an external terminal via the communication IF 130.
  • the terminal 20 in the first embodiment may be provided, and cleaning of the oral cavity and collection of breath may be performed according to the guide image in the mouth cleaning mode and the guide image in the breath collection mode shown in FIG.
  • the estimation result of the degree of periodontal disease estimated by the estimation unit 115 may be transmitted to the terminal 20 via the communication IF 130 and the estimation result may be displayed on the display device 21 of the terminal 20 .
  • the periodontal disease determination device 2 includes a frequency component extractor for extracting the frequency component of exhalation based on the component of the detection data detected by the gas sensor 12 inside the mouthwash 10. 113.
  • the periodontal disease determination device 2 also includes an estimating unit 115 that estimates the degree of periodontal disease of the user by determining components of exhalation based on frequency components inside the oral washer 10 . As a result, it is possible to estimate the degree of periodontal disease only with the periodontal disease determining device 2 without transmitting extracted data to the terminal 20 in periodontal disease determination.
  • the periodontal disease determination system 3 which estimates the degree of periodontal disease based on the detection data of exhalation detected by the gas sensor 12, is described as the first and/or second embodiment. Different configurations are described.
  • the server 40 corresponds to a terminal.
  • FIG. 13 is a diagram showing an overview of the periodontal disease determination system 3 in the third embodiment.
  • the periodontal disease determination system 3 in the third embodiment includes a server 40, and the oral washer 10, the terminal 20, and the server 40 can communicate via a network 30. It is constructed as a thing.
  • the configurations of the mouth washer 10 and the terminal 20 are the same as the configurations of the mouth washer 10 and the terminal 20 in the first embodiment, and thus the description thereof is omitted here.
  • FIG. 14 is a block diagram showing the configuration of the server 40.
  • the server 40 includes, for example, a general computer 400 and is operated by a user who operates the mouthwash 10, an administrator who comprehensively manages the user's health, and the like.
  • the server 40 may be configured by a computer such as a personal computer.
  • the computer 400 of the server 40 includes a control section 410, a storage section 420, a communication IF430, and an input/output IF440.
  • the server 40 may operate based on a program (not shown) stored in the storage unit 420 and execute a predetermined application.
  • control unit 410 of the server 40 receives the user's exhalation detection data transmitted from the mouth washer 10 and stores it in the storage unit 420 .
  • the control unit 410 also includes an estimation unit 415 as a function, and estimates the degree of periodontal disease based on the detection data.
  • the estimation unit 415 estimates the degree of periodontal disease by pattern recognition of frequency trends indicated by detection data and frequency trends of exhaled breath sampled from periodontal disease patients.
  • the trends in the frequency of exhaled breath collected from patients with periodontal disease are stored in the storage unit 420 in advance as a medical history database (not shown; hereinafter, the term “database” is hereinafter referred to as "DB") of patients with periodontal disease. store it.
  • periodontal disease determination process that is, the periodontal disease determination method of the periodontal disease determination system 3 in the third embodiment will be described based on the flowchart of FIG.
  • a series of operations of the periodontal disease determination system 3 shown in the flowchart of FIG. 15 are started when the oral cavity washer 10 is activated, and are terminated when the power is turned off.
  • the process is terminated not only by turning off the power supply but also by an interrupt for ending the process.
  • the same contents as those described in the explanation of the periodontal disease determination system 3 will be omitted or simplified.
  • step S1501 the cleaning process control unit 111 turns on the cleaning unit 11 to start cleaning the oral cavity. Specifically, the user presses a start switch (not shown) of the cleaning unit 11, and then the user presses the discharge ON/OFF switch of the nozzle. Then, the control unit 110 detects pressing of the discharge ONOFF switch, sends a control instruction to the cleaning processing control unit 111, and the mouth cleaning mode is started.
  • a start switch not shown
  • the control unit 110 detects pressing of the discharge ONOFF switch, sends a control instruction to the cleaning processing control unit 111, and the mouth cleaning mode is started.
  • step S1502 the control unit 110 determines whether or not the oral cavity cleaning has ended. Specifically, the control unit 110 detects whether or not the ejection ONOFF switch is pressed again by the user's operation to end ejection, thereby determining whether or not mouthwash has ended. If control unit 110 determines in step S1502 that mouthwash has ended (that is, step S1502: YES), the process proceeds to step S1503. On the other hand, if control unit 110 determines in step S1502 that oral cavity cleaning has not ended (that is, step S1502: NO), it returns to step S1502 and repeats the processing of step S1502. That is, the process of step S1502 is repeated until the oral cavity cleaning is completed, and the cleaning process of the oral cavity is performed.
  • the gas sensor control unit 112 controls the gas sensor 12 , acquires breath detection data, and stores it in the storage unit 120 . That is, it controls on/off of an exhaled breath collection mode in which the gas sensor 12 collects the user's exhaled breath. Specifically, the gas sensor control unit 112 turns on the breath sampling mode when enabling acquisition of detection data of the user's breath by the gas sensor 12 . When the breath collection mode is on, the gas sensor 12 is enabled and the user's breath collected from the nozzle of the cleaning unit 11 is detected. In the exhalation collection mode, the user points the tip of the nozzle to a specified location according to the guide image displayed on the display device 21 of the terminal 20 and blows in exhalation.
  • the gas sensor control unit 112 turns off the breath collection mode when disabling collection of the user's breath by the gas sensor 12 . On/off control of this breath collection mode is performed by the gas sensor control section 112 depending on the state of the switch 13 pressed by the user.
  • step S ⁇ b>1504 the transmission unit 114 transmits detection data detected by the gas sensor 12 to the server 40 via the communication IF 130 . After that, the process proceeds to step S1505.
  • step S1505 the gas sensor control unit 112 turns off the gas sensor 12, ends the breath collection mode, and the process in the mouthwash 10 ends.
  • step S1506 the control unit 410 of the server 40 receives detection data from the mouthwash 10 via the communication IF430.
  • step S1507 the estimation unit 415 of the server 40 estimates the degree of periodontal disease based on the received detection data. Specifically, the estimating unit 415 estimates the degree of periodontal disease by pattern recognition of the tendency of the frequency indicated by the detection data and the tendency of the frequency of exhaled breath sampled from the patient with periodontal disease.
  • step S1508 the control unit 410 of the server 40 causes a display (not shown) connected to the server 40 via the input/output IF 440 to display the estimation result of the degree of periodontal disease.
  • the control unit 410 of the server 40 may send the estimation result of the degree of periodontal disease to the terminal 20 via the communication IF 430 and cause the display device 21 of the terminal 20 to display the estimation result of the degree of periodontal disease. good.
  • the periodontal disease determination system 3 transmits detection data of exhalation detected by the gas sensor 12 to the server 40, and the estimation unit 415 of the server 40 performs periodontal detection based on the detection data. Estimate the degree of illness. This makes it possible to determine the components of exhalation based on detection data that is not limited to specific components, and to more accurately estimate the degree of periodontal disease.
  • the estimating unit 415 is configured to estimate the degree of periodontal disease by pattern recognition of frequency trends indicated by detection data and frequency trends of exhaled breath sampled from periodontal disease patients.
  • the server 40 may include a learning section 450 that includes a machine learning section 453 .
  • the machine learning unit 453 is based on the learning detection data 421, which is the user's exhalation detection data stored in advance in the storage unit 420, and the periodontal disease history DB 422 storing periodontal disease history data of patients with periodontal disease. , the relationship between the learning detection data 421 and the degree of periodontal disease is learned.
  • the estimating unit 415 functions as a classifier that outputs the result of estimating the degree of periodontal disease for the breath detection data. This allows the estimation unit 415 to more accurately estimate the degree of periodontal disease with respect to the user's breath detection data.
  • the frequency component extraction unit 113 extracts methyl mercaptan as one of the main components, and the estimation unit 215 or the estimation unit 115 determines the degree of periodontal disease.
  • the frequency component extraction unit 113 may extract dimethyl sulfide as one of the main components, extract hydrogen sulfide as the reference data, and determine the component of exhalation based on the correlation between them. This makes it possible to estimate the degree of visceral disease, for example.
  • the periodontal disease determination system 1 in the first embodiment described above has a configuration including the gas sensor control unit 112 that controls on/off of the gas sensor 12 that detects the user's exhalation as an intraoral information acquisition unit. Further, the periodontal disease determination system 1 has the frequency component extraction unit 113 that extracts the frequency component of exhalation based on the components of the detection data detected by the gas sensor 12 as the component information extraction unit.
  • the periodontal disease determination system 1 in the first embodiment described above is not limited to these configurations.
  • the intraoral information acquisition unit may be configured to acquire an intraoral image using a camera.
  • the component information extracting unit may be configured to extract a main component (that is, a main component) of an intraoral image.
  • the estimation unit can determine the components of the image based on the extracted data extracted from the components of the intraoral image transmitted from the mouth washer 10, and estimate the degree of periodontal disease of the user. becomes.
  • a computer program that is, a periodontal disease determination program that causes a computer to execute the periodontal disease determination method described above and a computer-readable recording medium recording the program are included in the scope of the present embodiment.
  • any type of computer-readable recording medium may be used.
  • the above-mentioned computer program is not limited to those recorded in the above-mentioned recording medium, and even if it is transmitted via an electric communication line, a wireless or wired communication line, a network represented by the Internet, etc. good.
  • the mouthwash device 10 has the following configuration.
  • (i) Includes a cleaning process control unit 111 that controls the cleaning process of the oral cavity by the cleaning unit 11 for cleaning the oral cavity.
  • (ii) includes an intraoral information acquiring unit that acquires information on the user's oral cavity, which is used for estimating the degree of periodontal disease.
  • the oral cavity washer 10 includes a cleaning process control unit 111 that controls the cleaning process of the oral cavity by the cleaning unit 11 for cleaning the oral cavity, and a user's and an intraoral information acquisition unit that acquires intraoral information.
  • a cleaning process control unit 111 controls the cleaning process of the oral cavity by the cleaning unit 11 for cleaning the oral cavity
  • a user's and an intraoral information acquisition unit that acquires intraoral information.
  • the oral irrigator 10 equipped with a microcomputer, The microcomputer, during operation, It controls the cleaning process of the oral cavity by the cleaning unit 11 for cleaning the oral cavity, and acquires information on the user's oral cavity used for estimating the degree of periodontal disease.
  • the mouthwash device 10 preferably further has the following configuration.
  • the intraoral information acquisition unit preferably controls on/off of the gas sensor 12 that detects the user's exhalation.
  • the intraoral information acquisition unit of the oral washer 10 can control on/off of the gas sensor 12 that detects the user's exhalation. This enables the mouth washer 10 to acquire the user's exhaled breath after cleaning the oral cavity. Therefore, the acquired intraoral information can be used for estimating the degree of periodontal disease by reducing the influence of noise and odor caused by food residue, and more accurate estimation of periodontal disease can be performed. can.
  • the mouthwash 10 preferably further has the following configuration.
  • the gas sensor 12 is preferably a quartz oscillator type gas sensor.
  • the gas sensor 12 of the mouthwash 10 is preferably configured as a quartz crystal gas sensor.
  • a quartz oscillator type gas sensor can be realized with lower power consumption than a semiconductor gas sensor.
  • the mouth washer 10 can collect the breath in the oral cavity with lower power consumption.
  • the crystal oscillator type gas sensor is smaller than the semiconductor gas sensor, it is also possible to make the oral washer 10 smaller.
  • the mouthwash device 10 preferably further has the following configuration.
  • oral irrigator 10 further comprises a filter for adjusting the humidity of gas flowing into gas sensor 12 .
  • This filter makes it possible to remove the moisture contained in the user's exhaled breath, thus reducing the influence of the moisture contained in the exhaled gas on the gas sensor 12 .
  • the mouthwash device 10 preferably further has the following configuration.
  • the component information extraction unit preferably extracts frequency components of detection data detected by the gas sensor 12 as extraction data.
  • the oral cavity irrigator 10 further includes a component information extraction unit that extracts the component information of the intraoral information acquired by the intraoral information acquisition unit as extracted data.
  • a frequency component of the detected detection data is extracted as extraction data.
  • the periodontal disease determination system 1 can acquire extracted data obtained by extracting only the necessary frequency components from the detection data detected by the gas sensor 12, and the data necessary for estimating periodontal disease. amount can be reduced.
  • the periodontal disease determination device 2 including the mouthwash 10 described above has the following configuration.
  • (i) Includes an estimation unit that estimates the degree of periodontal disease of the user based on the intraoral information acquired by the intraoral information acquisition unit.
  • the periodontal disease determination device 2 is comprising the mouthwash 10 described above, During operation, the microcomputer included in the mouthwash 10 described above: The degree of periodontal disease of the user is estimated based on the intraoral information acquired by the intraoral information acquiring unit.
  • the periodontal disease determination device 2 enables detection of exhalation by the gas sensor 12 immediately after the user cleans the mouth. As a result, it is possible to reduce the influence of noise odors and the like caused by food residue, and to appropriately determine odors derived from periodontal disease.
  • a periodontal disease determination system configured by the above-described oral washer 10 and a terminal capable of communicating with the oral washer 10 has the following configuration.
  • the mouthwash 10 has the following configuration.
  • (i) Further includes a transmission unit 114 that transmits the intraoral information acquired by the intraoral information acquisition unit as detection data.
  • the terminal has the following configuration.
  • (ii) includes an estimation unit that determines the components of the user's exhalation based on the detection data transmitted from the mouth washer 10 and estimates the degree of periodontal disease of the user.
  • the periodontal disease determination system transmits detection data of exhalation detected by the gas sensor 12 to the terminal, and the estimation unit of the terminal estimates the degree of periodontal disease based on the detection data. This makes it possible to determine the components of exhalation based on detection data that is not limited to specific components, and to more accurately estimate the degree of periodontal disease.
  • the periodontal disease determination system preferably further has the following configuration.
  • the terminal preferably further includes a learning unit 450 .
  • the estimating unit uses the learning unit 450 to learn the relationship between the learning detection data and the degree of periodontal disease based on the learning detection data and periodontal disease history data. is preferably
  • the terminal of the periodontal disease determination system further includes a learning unit 450.
  • the estimating unit is a trained model (i.e., , a type of classifier). This allows the estimation unit 415 to more accurately estimate the degree of periodontal disease with respect to the user's breath detection data.
  • a periodontal disease determination system configured by the mouthwash 10 described in (5) above and a terminal capable of communicating with the mouthwash 10 has the following configuration.
  • the oral cavity cleaner 10 has the following configuration.
  • (i) Further includes a transmission unit 114 that transmits the extraction data extracted by the component information extraction unit.
  • the terminal has the following configuration.
  • (ii) includes an estimation unit that determines the components in the oral cavity based on the extracted data transmitted from the mouth washer 10 and estimates the degree of periodontal disease of the user.
  • the periodontal disease determination system transmits the extraction data extracted by the component information extraction unit to the terminal, and the estimation unit of the terminal determines the components in the oral cavity based on the extraction data, Estimate the degree of periodontal disease.
  • the periodontal disease determination system 1 sends to the terminal 20 the extracted data obtained by extracting only the necessary frequency components from the detection data detected by the gas sensor 12, thereby transmitting the data to the terminal 20, and The amount of data in estimation processing in the terminal 20 can be reduced.
  • the periodontal disease determination system preferably further has the following configuration.
  • the terminal further includes a display device 21 that displays the estimation result estimated by the estimation unit.
  • the terminal of the periodontal disease determination system further includes a display device 21 that displays the estimation result estimated by the estimation unit.
  • the estimation result estimated by the estimation unit can be displayed on the display device 21, and the user can confirm the degree of periodontal disease.
  • a periodontal disease determination method executed by a computer has the following processes.
  • (ii) includes a process of acquiring information on the user's oral cavity.
  • (iii) includes a process of estimating the degree of periodontal disease of the user based on the acquired intraoral information of the user.
  • the periodontal disease determination method controls the cleaning unit 11 that cleans the oral cavity, acquires information on the user's oral cavity, and based on the acquired information on the user's oral cavity, A computer executes a process of estimating the degree of periodontal disease. This makes it possible to obtain information on the oral cavity after washing the oral cavity, and to estimate the degree of periodontal disease based on the obtained information on the oral cavity. Therefore, it is possible to use data in which the effects of noise odors due to food residue and images containing noise are reduced for estimating the degree of periodontal disease, and more accurate estimation of periodontal disease can be performed.
  • a periodontal disease determination program to be executed by a computer has the following steps.
  • (i) includes a step of controlling the cleaning unit 11 that cleans the oral cavity.
  • (iii) including a step of estimating the degree of periodontal disease of the user based on the acquired intraoral information of the user.
  • the periodontal disease determination program controls the cleaning unit 11 that cleans the oral cavity, acquires information on the user's oral cavity, and based on the acquired information on the user's oral cavity, A computer is caused to execute a process of estimating the degree of periodontal disease.
  • This makes it possible to acquire information on the oral cavity after washing the oral cavity, and to estimate the degree of periodontal disease based on the acquired information on the oral cavity. Therefore, it is possible to use data in which the effects of noise odors due to food residue and images containing noise are reduced for estimating the degree of periodontal disease, and more accurate estimation of periodontal disease can be performed.
  • the present disclosure is applicable to oral irrigators equipped with gas sensors. Specifically, the present disclosure is applicable to commercial and household mouthwashes and the like.
  • Reference Signs List 1 3 periodontal disease determination system 2 periodontal disease determination device 10 oral washer 11 cleaning unit 12 gas sensor 13 switch 14 display unit 15 water tank 20 terminal 21 display device 30 network 40 server 100 controller 110, 210, 410 control unit 111 Cleaning process control unit 112 Gas sensor control unit 113 Frequency component extraction unit 114 Transmission unit 115, 215, 415 Estimation unit 120, 220, 420 Storage unit 130, 230, 430 Communication IF 140, 240, 440 input/output IF 200, 400 computer 421 detection data for learning 422 periodontal disease history DB 450 learning unit 453 machine learning unit

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Abstract

La présente divulgation concerne un instrument de lavage de la bouche grâce auquel il est possible d'acquérir des informations concernant l'intérieur de la cavité buccale d'un utilisateur, utilisées pour estimer plus précisément le degré de maladie parodontale. L'instrument de lavage de la bouche (10) selon la présente divulgation comprend : une unité de commande de processus de lavage servant à commander un processus de lavage effectué dans la cavité buccale par une unité de nettoyage pour nettoyer l'intérieur de la cavité buccale ; et une unité d'acquisition d'informations d'intérieur de cavité buccale servant à acquérir des informations concernant l'intérieur de la cavité buccale de l'utilisateur, utilisées pour estimer le degré de maladie parodontale. L'instrument de lavage de la bouche (10) est configuré de façon à pouvoir acquérir des informations concernant l'intérieur de la cavité buccale de l'utilisateur, utilisées pour estimer le degré de maladie parodontale, après que l'utilisateur a nettoyé l'intérieur de la cavité buccale.
PCT/JP2022/003981 2021-02-19 2022-02-02 Instrument de lavage de la bouche, dispositif de détermination de maladie parodontale, système de détermination de maladie parodontale, procédé de détermination de maladie parodontale et programme de détermination de maladie parodontale WO2022176617A1 (fr)

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JP2021025395A JP2022127319A (ja) 2021-02-19 2021-02-19 口腔洗浄器、歯周病判定装置、歯周病判定システム、歯周病判定方法、及び歯周病判定プログラム
JP2021-025395 2021-02-19

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JP2002253584A (ja) * 2001-02-27 2002-09-10 Motosan Engineering Kk 歯周病診断装置
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