WO2021010097A1 - Dispositif d'examen intrabuccal et système d'examen intrabuccal - Google Patents

Dispositif d'examen intrabuccal et système d'examen intrabuccal Download PDF

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Publication number
WO2021010097A1
WO2021010097A1 PCT/JP2020/024409 JP2020024409W WO2021010097A1 WO 2021010097 A1 WO2021010097 A1 WO 2021010097A1 JP 2020024409 W JP2020024409 W JP 2020024409W WO 2021010097 A1 WO2021010097 A1 WO 2021010097A1
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WO
WIPO (PCT)
Prior art keywords
oral cavity
oral
tooth
sensor
examination
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PCT/JP2020/024409
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English (en)
Japanese (ja)
Inventor
光 越智
Original Assignee
株式会社デンソー
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Publication of WO2021010097A1 publication Critical patent/WO2021010097A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
    • 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 an oral examination device and an oral examination system for inspecting the oral cavity.
  • an intraoral inspection device for inspecting the condition of a plurality of teeth in the oral cavity.
  • a light emitting element and a camera are arranged at the head portion of the toothbrush. According to this configuration, the teeth illuminated by the light from the light emitting element are photographed by the camera, and the camera image is transmitted to the external monitor.
  • the intraoral examination device disclosed in Patent Document 1 merely inspects a range of a predetermined angle from a small head portion of a toothbrush as an imaging range. Therefore, only a part of a plurality of teeth in the oral cavity fits in the imaging range. In order to inspect the entire plurality of teeth in the oral cavity, it is necessary for the user to repeat the manual work of moving the head portion of the toothbrush to shift the imaging range by trial and error. This forces the user to inspect for a long time.
  • An object of the present disclosure is to provide an oral examination device and an oral examination system capable of inspecting the condition of a plurality of teeth in the oral cavity in a short time.
  • the first aspect of the present disclosure is an oral cavity inspection device for inspecting the oral cavity, in which a mouthpiece forming a movable region positioned in the oral cavity along a tooth alignment direction in which a plurality of teeth are lined up, and sensing in the oral cavity. It includes a sensor system that outputs an inspection signal according to the state of the tooth by receiving reflection of light projected onto a range of teeth, and a drive system that drives the sensor system in the tooth alignment direction in a movable region.
  • the sensor system is driven in the same direction by the drive system in the movable region formed on the mouthpiece in the oral cavity and positioned along the tooth alignment direction.
  • the sensor system receives the reflection of the light projected on the tooth in the sensing range in the oral cavity, and outputs an inspection signal according to the state of the tooth.
  • the sensor system since the sensor system is driven in the tooth alignment direction and outputs a signal, the inspection of the plurality of teeth arranged in the same direction is completed, so that the user can be freed from the manual work of trial and error. Therefore, it is possible to inspect the condition of a plurality of teeth in the oral cavity in a short time.
  • the second aspect of the present disclosure is an oral cavity inspection device for inspecting the oral cavity, in which a mouthpiece forming a holding region positioned in the oral cavity along a tooth alignment direction in which a plurality of teeth are lined up, and sensing in the oral cavity.
  • a sensor system that outputs an inspection signal according to the state of the tooth by receiving the reflection of the light projected on the teeth in the range, a sensor system in which the sensing ranges are shifted from each other in the tooth alignment direction and are held in the holding region. , Prepare.
  • a plurality of sensor systems whose sensing ranges are displaced from each other in the same direction are held in the holding region formed on the mouthpiece in the oral cavity and positioned along the tooth alignment direction.
  • each sensor system receives the reflection of the light projected on the tooth in the sensing range in the oral cavity, and outputs an inspection signal according to the state of the tooth.
  • each sensor system shifted in the tooth alignment direction outputs a signal, the inspection of the plurality of teeth aligned in the same direction is completed, and the user can be freed from the manual work of trial and error. Therefore, it is possible to inspect the condition of a plurality of teeth in the oral cavity in a short time.
  • the third aspect of the present disclosure is an oral examination system, in which the condition of teeth based on the oral examination device of the first or second aspect and the inspection signal output from the sensor system included in the oral examination device is determined. , A display unit for displaying outside the oral cavity is included.
  • the state of the tooth based on the inspection signal output from the sensor system in the intraoral inspection device of the first or second aspect is displayed outside the oral cavity by the display unit. This allows the user to confirm the condition of the teeth by displaying outside the oral cavity separately from the intraoral examination. Therefore, it is possible to shorten the time required for the state inspection, including the state confirmation by the user.
  • the fourth aspect of the present disclosure is an oral examination system, in which the oral examination device of the first or second aspect and the oral examination device outside the oral cavity are charged and separated from the oral examination device in the oral cavity. It is configured to include a charging unit.
  • the oral examination device of the first or second aspect which is charged by the charging unit outside the oral cavity, is separated from the charging unit in the oral cavity at the time of examination, and thus is charged with the oral examination device.
  • the relative positional relationship with the unit is less likely to be restricted. This allows the user to quickly perform a multi-tooth examination by positioning the mouthpiece of the precharged device in the oral cavity. Therefore, it is possible to reduce the time required for the condition inspection of a plurality of teeth as much as possible.
  • the oral cavity inspection device 1 of the first embodiment is used by being inserted into the oral cavity 3 of the user 2 from outside the oral cavity 3. At the time of use, the device 1 is positioned in the oral cavity 3 of the user 2. The positioned device 1 inspects the state of the plurality of teeth 6 arranged in a substantially U shape in each of the upper jaw 4 and the lower jaw 5 in the oral cavity 3. The direction in which the plurality of teeth 6 are aligned in each of the upper jaw 4 and the lower jaw 5 is defined as the tooth alignment direction D shown in FIGS. 3, 4, and 6.
  • the device 1 is an electric simple inspection device driven by the intention of the user 2. As shown in FIGS. 1 to 6, the device 1 includes a mouthpiece 10, an input / output system 20, a drive system 30, and a sensor system 40.
  • the mouthpiece 10 is mainly composed of at least one part made of resin, for example.
  • the mouthpiece 10 is formed in a size that fits in the oral cavity 3 of the user 2. Therefore, the mouthpiece 10 may be customized and manufactured for each user 2.
  • the mouthpiece 10 may be manufactured with versatility for at least one index of, for example, the age, gender, face size, etc. of the user 2.
  • the mouthpiece 10 is formed with a positioning hole 11.
  • a pair of positioning holes 11 are provided corresponding to the upper jaw 4 and the lower jaw 5 in the oral cavity 3, respectively.
  • the positioning hole 11 on the upper jaw 4 side is positioned by covering the plurality of teeth 6 of the same jaw 4.
  • the positioning hole 11 on the upper jaw 4 side covers the front surface 6a and the rear surface 6b of each tooth 6 that has entered the inside from the front and the rear, respectively.
  • the positioning hole 11 on the lower jaw 5 side is positioned by covering the plurality of teeth 6 of the same jaw 5.
  • the positioning hole 11 on the lower jaw 5 side covers the front surface 6a and the rear surface 6b of each tooth 6 that has entered the inside from the front and the rear, respectively.
  • the positioning hole 11 is formed so as to be fitted to at least one tooth 6, so that the positioning property in the oral cavity 3 is enhanced. Good.
  • a housing hole 12 is formed in the mouthpiece 10.
  • the accommodating hole 12 is provided so as to communicate between the positioning holes 11 on the upper jaw 4 side and the lower jaw 5 side.
  • the accommodating hole 12 forms an internal space having a size larger than that of each positioning hole 11.
  • a positioning hole 11 on the maxillary 4 side opens in the accommodation hole 12 below the apical surface 6c of each tooth 6 on the maxillary 4 side.
  • a positioning hole 11 on the lower jaw 5 side is also opened in the accommodation hole 12 above the apical surface 6c of each tooth 6 on the lower jaw 5 side.
  • the openings to the accommodating holes 12 are continuously extended in a substantially U shape over the entire area of the tooth alignment direction D in each positioning hole 11.
  • the mouthpiece 10 has a single movable region 13 formed by the accommodating holes 12.
  • the movable region 13 is defined as a substantially U-shaped space region in the internal space of the accommodating holes 12 in which the openings of the positioning holes 11 are virtually connected along the extending shape of the openings.
  • the movable region 13 can be positioned along the tooth alignment direction D of the plurality of teeth 6 on both sides of the upper jaw 4 and the lower jaw 5.
  • the input / output system 20 includes a battery 21, a power switch 22, a power interface 23, a communication interface 24, and a control circuit 25.
  • the battery 21 shown in FIG. 1 is arranged inside the mouthpiece 10.
  • the battery 21 is mainly composed of, for example, a small rechargeable battery.
  • the battery 21 supplies electric power to other elements 22 to 25 in the input / output system 20.
  • the battery 21 also supplies electric power to the drive system 30 and the sensor system 40.
  • the power switch 22 shown in FIGS. 1 to 3, 5 and 6 is arranged on the surface of the mouthpiece 10.
  • the power switch 22 is mainly composed of a touch-type or push-type sensor, for example.
  • the power switch 22 is exposed to the outside of the oral cavity 3 when the mouthpiece 10 is positioned in the oral cavity 3.
  • the user 2 can turn on / off the power switch 22 from outside the oral cavity 3.
  • the power switch 22 that has been turned on / off by the user 2 turns on / off the power supply from the battery 21 to the other elements 22 to 25 in the input / output system 20 and the power supply to the drive system 30 and the sensor system 40.
  • On / off of these power supplies means turning on / off the power supply of the device 1.
  • the power interface 23 is arranged inside the mouthpiece 10, for example, in the accommodating hole 12.
  • the power interface 23 is supplied with electric power to charge the battery 21.
  • the power supply interface 23 of the first embodiment is mainly composed of an antenna such as an electromagnetic induction type, an electric field coupling type, or a radio wave reception type that enables non-contact charging outside the oral cavity 3.
  • the communication interface 24 is arranged inside the mouthpiece 10, for example, in the accommodating hole 12. From the communication interface 24, an inspection signal indicating the state of the inspected tooth 6 is transmitted to the outside of the device 1.
  • the communication interface 24 of the first embodiment is mainly composed of a communication device that enables signal transmission in wireless communication.
  • the control circuit 25 is arranged inside the mouthpiece 10.
  • the control circuit 25 is mainly composed of a microcomputer.
  • the control circuit 25 collectively controls the operation of the other elements 21 to 24 in the input / output system 20 and the operation of the drive system 30 and the sensor system 40.
  • the drive system 30 is arranged inside the mouthpiece 10.
  • the drive system 30 has a guide portion 31, a movable portion 32, and an actuator portion 33.
  • the guide portion 31 is housed in the movable region 13.
  • the guide portion 31 is held by the mouthpiece 10 via a holder (not shown).
  • the guide portion 31 continuously extends between both ends of the movable region 13. As a result, the guide portion 31 can be positioned along the tooth alignment direction D of the plurality of teeth 6 on both sides of the upper jaw 4 and the lower jaw 5.
  • the movable portion 32 shown in FIGS. 2, 4 to 6 is housed in the movable region 13.
  • the movable portion 32 is guided between both ends of the movable region 13 by a guide portion 31.
  • the movable portion 32 can drive the portions vertically separated from the openings of the positioning holes 11 to both sides in the tooth alignment direction D.
  • the actuator unit 33 shown in FIG. 1 is housed in the movable region 13.
  • the actuator portion 33 is constructed so as to straddle the guide portion 31 and the movable portion 32.
  • the actuator unit 33 is mainly composed of a microactuator such as an electrostatic type, an electromagnetic type or a piezoelectric type.
  • the actuator unit 33 starts driving the movable unit 32 by receiving electric power from the battery 21 by turning on the power switch 22.
  • the actuator unit 33 controls the motion state of the movable unit 32, such as the drive position, according to the computer program stored in the control circuit 25.
  • the actuator unit 33 stops driving the movable unit 32 by stopping the supply of electric power from the battery 21 by turning off the power switch 22.
  • the actuator unit 33 may start driving the movable unit 32 according to a start operation that can be distinguished from the on operation by, for example, the number of operations or the operation order. Similarly, the actuator unit 33 may stop driving the movable unit 32 according to a stop operation that can be distinguished from an off operation by, for example, the number of operations or the order of operations.
  • the sensor system 40 is arranged inside the mouthpiece 10.
  • the sensor system 40 has one upper sensor unit 41 and one lower sensor unit 42 corresponding to the upper jaw 4 and the lower jaw 5, respectively.
  • the upper sensor unit 41 is housed in the movable area 13.
  • the upper sensor portion 41 is held by the movable portion 32 below the opening of the positioning hole 11 on the upper jaw 4 side.
  • the upper sensor portion 41 is integrated with the movable portion 32 and can be driven to both sides in the tooth alignment direction D.
  • the upper sensor unit 41 faces the top surface 6c of one or two teeth 6 depending on the driving position in the tooth alignment direction D from below among the plurality of teeth 6 in the upper jaw 4.
  • the upper sensor unit 41 keeps one or two teeth 6 facing each other in the upper jaw 4 within the sensing range.
  • the lower sensor unit 42 is also housed in the movable area 13.
  • the lower sensor portion 42 is held by the movable portion 32 above the opening of the positioning hole 11 on the lower jaw 5 side.
  • the lower sensor unit 42 can be driven to both sides in the tooth alignment direction D integrally with the movable unit 32 and the upper sensor unit 41.
  • the lower sensor unit 42 faces the top surface 6c of one or two teeth 6 depending on the driving position in the tooth alignment direction D among the plurality of teeth 6 in the lower jaw 5 from above.
  • the lower sensor unit 42 keeps one or two teeth 6 facing each other in the lower jaw 5 within the sensing range.
  • each of the sensor units 41 and 42 is mainly composed of a light emitting element 43 and a light receiving element 44.
  • the light emitting element 43 and the light receiving element 44 receive electric power from the battery 21 via the actuator unit 33.
  • the operating states of the light emitting element 43 and the light receiving element 44 are controlled according to a computer program stored in the control circuit 25.
  • the light projecting element 43 is a light source element such as a light emitting diode that projects light of a specific wavelength.
  • the light projected from the light projecting element 43 is ultraviolet light or the like whose wavelength is changed by being reflected by, for example, plaque, tartar, or gingival sulcus on any of the surfaces 6a, 6b, 6c of the tooth 6.
  • the light receiving element 44 is, for example, an image pickup element such as a camera, or a photoelectric conversion element such as a light emitting diode.
  • Light projected by the light projecting element 43 and reflected by the teeth 6 is incident on the light receiving element 44.
  • the light receiving element 44 receives the reflection of light from the tooth 6 and outputs a detection signal corresponding to the state of the tooth 6 represented by the wavelength of the light.
  • the projected light by the light projecting element 43 of the sensor unit 41 is reflected by the teeth 6 in the sensing range corresponding to the driving position of the upper sensor unit 41 in the tooth alignment direction D.
  • the detection signal output from the element 44 is transmitted to the outside of the device 1 via the actuator unit 33 and the communication interface 24.
  • the projected light by the light projecting element 43 of the sensor unit 42 is reflected by the teeth 6 in the sensing range corresponding to the driving position of the lower sensor unit 42 in the tooth alignment direction D.
  • the detection signal output from the element 44 is transmitted to the outside of the device 1 via the actuator unit 33 and the communication interface 24.
  • the device 1 described so far is combined with the display unit 7 and the charging unit 8 shown in FIGS. 7 and 8 to construct the oral examination system 9 of the first embodiment shown in FIG. That is, the oral examination system 9 includes the display unit 7 and the charging unit 8 together with the device 1.
  • the display unit 7 has a communication interface 70, a display screen 71, and a control circuit 72.
  • the display unit 7 may be a mobile terminal such as a smartphone or a tablet, or a personal computer as long as a power source capable of supplying electric power to these elements 70, 71, 72 is secured.
  • the communication interface 70 receives the inspection signal output from the sensor system 40 of the device 1 via the communication interface 24 of the device 1.
  • the communication interface 70 of the first embodiment is mainly composed of a communication device corresponding to the communication interface 24 among the communication devices that enable signal reception by wireless communication. As a result, the communication interface 70 receives the inspection signal in a state of being separated from the device 1 inserted into the oral cavity 3 of the user 2 and outside the oral cavity 3.
  • the display screen 71 is mainly composed of a display such as a liquid crystal type or an organic EL type.
  • the display screen 71 displays the state of the plurality of teeth 6 based on the inspection signal received by the communication interface 70.
  • the display screen 71 may individually display states such as plaque, tartar, and gingival sulcus for each tooth 6 by a character image.
  • the display screen 71 may collectively display the state of each tooth 6 by a two-dimensional or three-dimensional graphic image.
  • the display screen 71 may display a combination of these character images and graphic images.
  • the control circuit 72 shown in FIG. 1 is mainly composed of a microcomputer.
  • the control circuit 72 controls the operation of the other elements 70 and 71 in the display unit 7. At this time, in particular, the control circuit 72 generates a character image and / or a graphic image to be displayed on the display screen 71 based on the inspection signal received by the communication interface 70.
  • the charging unit 8 has a charging base 80, a power cable 81, a charging interface 82, and a control circuit 83.
  • the charging base 80 is mainly composed of at least one part made of resin, for example.
  • the charging base 80 is formed with a set recess 84.
  • the set recess 84 is recessed according to the surface shape of the mouthpiece 10 which substantially constitutes the appearance of the device 1.
  • the mouthpiece 10 of the device 1 taken out from the oral cavity 3 of the user 2 is set on the set recess 84 as the battery 21 of the device 1 is charged.
  • the mouthpiece 10 is removed from the set recess 84 and inserted into the oral cavity 3, so that the charging unit 8 is separated from the device 1.
  • the power cable 81 extends from the charging base 80 to the outside.
  • the power cable 81 supplies electric power to the charging interface 82 and the control circuit 83 by being connected to a household outlet.
  • the charging interface 82 shown in FIG. 1 is arranged inside the charging base 80.
  • the charging interface 82 supplies electric power for charging the battery 21 of the device 1 via the power interface 23 of the device 1.
  • the charging interface 82 of the first embodiment mainly comprises an antenna corresponding to the power supply interface 23 among, for example, an electromagnetic induction type, an electric field coupling type, a radio wave receiving type, etc., which enables non-contact charging outside the oral cavity 3. It is configured.
  • the charging unit 8 can charge the battery 21 of the device 1 (see FIG. 8) set on the set recess 84 outside the oral cavity 3.
  • the control circuit 83 is mainly composed of a microcomputer.
  • the control circuit 83 controls the operation of the charging interface 82. At this time, for example, the control circuit 83 may control the lamp or display screen arranged on the charging base 80 to notify the amount of charge to the battery 21 by the charging interface 82.
  • the sensor system 40 in the movable region 13 formed on the mouthpiece 10 in the oral cavity 3 and positioned along the tooth alignment direction D, the sensor system 40 is driven in the same direction D by the drive system 30.
  • the sensor system 40 receives the reflection of the light projected onto the teeth 6 in the sensing range in the oral cavity 3, and outputs an inspection signal according to the state of the teeth 6.
  • the sensor system 40 outputs a signal while being driven in the tooth alignment direction D, so that the inspection of the plurality of teeth 6 arranged in the same direction D is completed, so that the user 2 can manually perform trial and error. Can be released. Therefore, it is possible to inspect the condition of the plurality of teeth 6 in the oral cavity 3 in a short time. That is, since the device 1 can realize the examination in the oral cavity 3 fully automatically by autonomous control, the user 2 can grasp the state in the oral cavity 3 by himself / herself in a short time.
  • the teeth 6 of the upper jaw 4 and the lower jaw 5 in the oral cavity 3 are contained in the sensing ranges of the upper sensor unit 41 and the lower sensor unit 42, respectively, the teeth 6 in the sensing range are included. Status checks can be performed simultaneously. Therefore, it is possible to shorten the time required for the state inspection for the plurality of teeth 6 arranged in the tooth alignment direction D in each of the upper jaw 4 and the lower jaw 5.
  • the state of the tooth 6 based on the inspection signal output from the sensor system 40 in the device 1 is displayed outside the oral cavity 3 by the display unit 7.
  • the user 2 can confirm the state of the tooth 6 by displaying the display outside the oral cavity 3 separately from the examination inside the oral cavity 3. Therefore, it is possible to shorten the time required for the state inspection, including the state confirmation by the user 2.
  • the display of the display unit 7 outside the oral cavity according to the first embodiment is based on the inspection signal received by wireless communication from the sensor system 40 in the oral cavity 3, the relative positional relationship between the device 1 and the display unit 7 is restricted. It becomes difficult to occur.
  • the user 2 can confirm the state of the tooth 6 by displaying the device 1 inside the oral cavity 3 at a position outside the oral cavity 3 so that the device 1 can easily see the state. Therefore, it is possible to shorten the time for confirming the state by the user 2 as much as possible in the state inspection.
  • the device 1 charged by the charging unit 8 outside the oral cavity 3 is separated from the charging unit 8 inside the oral cavity 3 at the time of examination, so that the relative positional relationship between the device 1 and the charging unit 8 is restricted. Is less likely to occur.
  • the user 2 can quickly execute the state inspection by positioning the mouthpiece 10 of the device 1 charged in advance in the oral cavity 3. Therefore, it is possible to reduce the time required for the state inspection as much as possible.
  • the charged device 1 is turned on and off by operating the power switch 22 arranged on the mouthpiece 10 from outside the oral cavity 3.
  • the user 2 can suppress the decrease in the amount of charge due to the state inspection by positioning the mouthpiece 10 of the device 1 charged in advance in the oral cavity 3 and then turning on the power switch 22. Therefore, it is possible to increase the number of times that the device 1 can be used by one charge and enhance the convenience of the device 1.
  • the second embodiment is a modification of the first embodiment.
  • the movable region 2013 is formed in a shape in which the movable region 13 of the first embodiment is divided into a plurality of parts.
  • These plurality of movable regions 2013 are defined as substantially arc-shaped spatial regions in which some of the openings in the positioning holes 11 are virtually connected.
  • each movable region 2013 can be positioned at a plurality of locations in the oral cavity 3 that are aligned along the tooth alignment direction D of the upper jaw 4 and the lower jaw 5, and at a plurality of locations that are completely offset from each other in the same direction D. It has become.
  • the drive system 2030 and the sensor system 2040 of the second embodiment form a set of each of the components 31, 32, 33, 41, and 42, and have a movable region 2013. Multiple sets of the same number are provided.
  • the plurality of sets of the drive system 2030 and the sensor system 2040 correspond individually to each movable area 2013.
  • the movable portion 32 and both sensor portions 41 and 42 can be driven to both sides in the tooth alignment direction D by the corresponding actuator portion 33 while being guided between both ends of the corresponding movable region 2013 by the corresponding guide portion 31. It has become.
  • a set of the sensor system 2040 and the drive system 2030 is individually provided for each movable region 2013 positioned at a plurality of locations shifted in the tooth alignment direction D in the oral cavity 3.
  • the sensing ranges of the sensor system 2040 are also displaced in the tooth alignment direction D, so that the state inspection of the teeth 6 in those sensing ranges can be simultaneously executed. Therefore, it is possible to shorten the time required for the state inspection for the entire plurality of teeth 6 arranged in the tooth alignment direction D.
  • the third embodiment is a modification of the second embodiment.
  • the mouthpiece 3010 of the third embodiment is divided into a plurality of parts 3014 in the tooth alignment direction D.
  • Each part 3014 corresponds individually to each movable area 2013 described in the second embodiment.
  • the input / output system 20 is arranged in any one of the parts 3014. Therefore, by connecting all the parts 3014 to the positioning state in the oral cavity 3, the input / output system 20 arranged in one part 3014 can be electrically connected to the drive system 2030 and the sensor system 2040 of the other parts 3014. There is.
  • the plurality of parts 3014 divided for each movable region 2013 displaced in the tooth alignment direction D are positioned in the oral cavity 3. According to this, the positioning of each of the divided parts 3014 can be facilitated in the narrow space of the oral cavity 3. Therefore, it is possible to shorten the time required for the user 2 to position the mouthpiece 3010 as much as possible in the state inspection.
  • the fourth embodiment is a modification of the first embodiment.
  • the mouthpiece 4010 of the fourth embodiment is divided into a plurality of parts 4014 on the upper jaw 4 side and the lower jaw 5 side.
  • the drive system 4030 and the sensor system 4040 of the fourth embodiment are a plurality of sets having the same number as the parts 4014, with one component 31, 32, 33 and one component 41, 42 in each set. , Is provided.
  • a plurality of sets of the drive system 4030 and the sensor system 4040 correspond individually to each part 4014.
  • a pair of movable regions 13 are also formed corresponding to each part 4014 individually.
  • the movable portion 32 and the upper sensor portion 41 on the upper jaw 4 side are guided between both ends of the corresponding movable region 13 by the corresponding guide portion 31, and the tooth alignment direction D is guided by the corresponding actuator portion 33. It can be driven to both sides.
  • the movable portion 32 and the lower sensor portion 42 on the lower jaw 5 side are guided between both ends of the movable region 13 by the corresponding guide portion 31, and both sides of the tooth alignment direction D by the corresponding actuator portion 33. It can be driven to.
  • the input / output system 20 is arranged in one of the parts 4014. Therefore, by connecting both parts 4014 to the positioning state in the oral cavity 3, the input / output system 20 arranged in one part 4014 can be electrically connected to the drive system 4030 and the sensor system 4040 of the other part 4014. ing.
  • the part 4014 in which the input / output system 20 is arranged is on the upper jaw 4 side, but of course the part 4014 in which the input / output system 20 is arranged may be on the lower jaw 5 side.
  • the plurality of parts 4014 of the mouthpiece 4010 individually correspond to the upper sensor unit 41 and the lower sensor unit 42 that house the teeth 6 of the upper jaw 4 and the lower jaw 5 in different sensing ranges. It will be positioned in the oral cavity 3 in the divided state. According to this, in the narrow space of the oral cavity 3, the positioning of each of the divided parts 4014 can be easily and accurately performed vertically. Therefore, among the state inspections, it is possible to improve the accuracy of the state inspection while shortening the time required for the user 2 to position the mouthpiece 4010 as much as possible.
  • the fifth embodiment is a modification of the first embodiment.
  • the sensor system 5040 of the fifth embodiment has three upper sensor units 5041 corresponding to the upper jaw 4.
  • One of the upper sensor units 5041 is a front sensor unit 5041a.
  • the front sensor portion 5041a keeps the front surface 6a of one or two teeth 6 facing from below according to the driving position in the tooth alignment direction D within the sensing range.
  • Another one of the upper sensor unit 5041 is the rear sensor unit 5041b.
  • the rear surface sensor unit 5041b includes the rear surface 6b of one or two teeth 6 facing from below according to the driving position in the tooth alignment direction D among the plurality of teeth 6 in the upper jaw 4 within the sensing range.
  • Yet another one of the upper sensor unit 5041 is the top surface sensor unit 5041c.
  • the top surface sensor unit 5041c keeps the top surface 6c of one or two teeth 6 facing each other from below according to the driving position in the tooth alignment direction D within the sensing range.
  • the sensor system 5040 of the fifth embodiment also has three lower sensor units 5042 corresponding to the lower jaw 5.
  • the front sensor unit 5042a is configured according to the three upper sensor units 5041, except that the three lower sensor units 5042 face the corresponding surfaces 6a, 6b, 6c of the teeth 6 in the lower jaw 5 from above. And the rear surface sensor unit 5042b and the top surface sensor unit 5042c.
  • the front surface 6a, the rear surface 6b, and the top surface 6c of the tooth 6 in the oral cavity 3 are the front surface sensor units 5041a, 5042a, the rear surface sensor units 5041b, 5042b, and the top surface sensor, respectively. It is contained in the sensing range of the parts 5041c and 5042c.
  • the state inspection of the teeth 6 in these sensing ranges can be performed simultaneously. Therefore, it is possible to shorten the time required for the state inspection for each surface of the plurality of teeth 6 arranged in the tooth alignment direction D.
  • the sixth embodiment is a modification of the first embodiment.
  • the movable region 13 of the first embodiment is defined as the holding region 6013.
  • the holding region 6013 can be positioned along the tooth alignment direction D of the upper jaw 4 and the lower jaw 5 in the oral cavity 3.
  • the device 1 of the sixth embodiment includes a positioning system 6030 instead of the drive system 30 of the first embodiment.
  • the positioning system 6030 has a holding portion 6033 and a conductive portion 6032.
  • the holding unit 6033 is housed in the holding area 6013.
  • the holding portion 6033 continuously extends between both ends of the holding region 6013. As a result, the holding portion 6033 can be positioned along the tooth alignment direction D of the upper jaw 4 and the lower jaw 5 in the oral cavity 3.
  • a plurality of conductive portions 6032 are housed in the holding region 6013. Each conductive portion 6032 is held by a holding portion 6033. As a result, each of the conductive portions 6032 can be positioned at a plurality of locations in the oral cavity 3 arranged along the tooth alignment direction D of the upper jaw 4 and the lower jaw 5, and at a plurality of locations completely offset from each other in the same direction D. It has become.
  • Each conductive portion 6032 is formed of a conductive material. Each conductive portion 6032 receives power from the battery 21 when the power switch 22 is turned on.
  • a plurality of sensor systems 6040 of the sixth embodiment are arranged inside the mouthpiece 6010.
  • Each sensor system 6040 is individually corresponding to the conductive portion 6032 and is held in the holding region 6013.
  • each sensor system 6040 can be positioned at a plurality of locations in the oral cavity 3 that are aligned along the tooth alignment direction D of the upper jaw 4 and the lower jaw 5, and at a plurality of locations that are completely offset from each other in the same direction D. It has become.
  • Each sensor system 6040 has one upper sensor unit 41 and one lower sensor unit 42 having a configuration according to the first embodiment. However, as shown in FIG. 17, the upper sensor portion 41 of each sensor system 6040 is held by the corresponding conductive portion 6032 below the opening of the positioning hole 11 on the upper jaw 4 side.
  • the upper sensor unit 41 of each sensor system 6040 includes one or two teeth 6 facing each other from below according to the holding position in the tooth alignment direction D among the plurality of teeth 6 in the upper jaw 4 within the sensing range.
  • the sensing range of the upper sensor unit 41 superimposes only the ends in the same direction D.
  • the upper sensor unit 41 of each sensor system 6040 is housed in the holding region 6013 with the sensing range partially shifted from each other.
  • each sensor system 6040 is held by the corresponding conductive portion 6032 below the opening of the positioning hole 11 on the lower jaw 5 side.
  • the lower sensor unit 42 of each sensor system 6040 includes one or two teeth 6 facing each other from above according to the holding position in the tooth alignment direction D among the plurality of teeth 6 in the lower jaw 5 within the sensing range.
  • the sensing range of the lower sensor unit 42 overlaps only the ends in the same direction D.
  • the lower sensor unit 42 of each sensor system 6040 is also housed in the holding region 6013 with the sensing range partially shifted from each other.
  • each sensor system 40 receives the reflection of the light projected onto the tooth 6 in the sensing range in the oral cavity 3, and outputs an inspection signal according to the state of the tooth 6. According to this, since each sensor system 40 deviated from the tooth alignment direction D outputs a signal, the inspection of the plurality of teeth 6 aligned in the same direction D is completed, so that the user 2 can be freed from the manual work of trial and error. .. Therefore, it is possible to inspect the condition of the plurality of teeth 6 in the oral cavity 3 in a short time.
  • the input / output system 20 is mainly composed of a connection terminal that receives power by a wired connection via the charging cable 85 of the charging unit 8.
  • the power interface 23 may be configured.
  • the communication interface 24 of the input / output system 20 is mainly composed of a connection terminal for transmitting an inspection signal by a wired connection via a communication cable 73 of the display unit 7. May be configured.
  • the operation of at least one component of the input / output system 20, the drive system 30, and the sensor system 40 may be controlled by the control circuit 72 of the display unit 7.
  • a touch-operated power switch image 74 is displayed on the display screen 71 of the display unit 7, and the power switch image 74 is touch-operated to cause the device 1.
  • the power may be turned on and off and / or the drive of the movable portion 32 may be started and stopped.
  • the mouthpieces 2010, 3010 and 6010 are divided into parts individually corresponding to the upper sensor unit 41 and the lower sensor unit 42 according to the fourth embodiment. It may have been.
  • the upper sensor unit 41 and the lower sensor unit 42 may be the front, rear, and top sensor units, respectively, according to the fifth embodiment. Good.
  • the holding region may be divided into a plurality of individual sensors corresponding to the sensor system 6040 according to the second embodiment.
  • the mouthpiece 6010 may be further divided into parts individually corresponding to each divided holding area.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Endoscopes (AREA)

Abstract

Ce dispositif d'examen intrabuccal (1) pour examiner l'intérieur d'une cavité buccale (3) est pourvu : d'un embout buccal (10) qui forme une région mobile (13) destinée à être positionnée à l'intérieur de la cavité buccale (3) le long d'une direction d'alignement des dents (D) dans laquelle une pluralité de dents (6) sont alignées ; un système de détection (40) qui, lors de la réception d'une réflexion de la lumière projetée sur les dents (6) situées dans une plage de détection à l'intérieur de la cavité buccale (3), délivre un signal d'examen en fonction de l'état desdites dents (6) ; et un système d'entraînement (30) qui entraîne le système de détection (40) dans la direction d'alignement des dents (D) à l'intérieur de la région mobile (13).
PCT/JP2020/024409 2019-07-18 2020-06-22 Dispositif d'examen intrabuccal et système d'examen intrabuccal WO2021010097A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-133042 2019-07-18
JP2019133042A JP2021016486A (ja) 2019-07-18 2019-07-18 口腔内検査装置、口腔内検査システム

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WO2021010097A1 true WO2021010097A1 (fr) 2021-01-21

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012125455A (ja) * 2010-12-16 2012-07-05 Rohm Co Ltd 口腔内撮像装置
JP2016214427A (ja) * 2015-05-18 2016-12-22 株式会社東京技研 口腔内接触圧力測定装置，口腔内接触圧力測定システム，及び口腔内接触圧力測定方法
JP2019507001A (ja) * 2016-03-02 2019-03-14 ドロール・オーソ・デザイン・リミテッド・（エアロデンティス） 歯の移動および位置の測定、モニタリング、ならびに制御を伴う歯列矯正システム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8104324B2 (en) * 2010-03-02 2012-01-31 Bio-Applications, LLC Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
JP6484235B2 (ja) * 2013-10-22 2019-03-13 バイオルックス リサーチ リミテッド 口腔内光治療装置及びその使用方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012125455A (ja) * 2010-12-16 2012-07-05 Rohm Co Ltd 口腔内撮像装置
JP2016214427A (ja) * 2015-05-18 2016-12-22 株式会社東京技研 口腔内接触圧力測定装置，口腔内接触圧力測定システム，及び口腔内接触圧力測定方法
JP2019507001A (ja) * 2016-03-02 2019-03-14 ドロール・オーソ・デザイン・リミテッド・（エアロデンティス） 歯の移動および位置の測定、モニタリング、ならびに制御を伴う歯列矯正システム

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