JP5294262B2 - Support parts used for jaw movement measuring device - Google Patents

Description

  The present invention relates to a support component used in a jaw movement measuring device that measures jaw movement.

  In recent years, in the medical field, it has become possible to measure and observe human upper and lower jaw movements by various techniques. Examples of techniques for measuring and observing jaw movement include anatomical methods, photographic methods, cinematographic methods, depiction methods, and electrical measurement methods.

  An example of a technique for measuring the above jaw movement is a six-degree-of-freedom jaw movement measuring instrument that measures the relative movement of the lower jaw with respect to the upper jaw by digitizing and measuring the six parameters of front and rear, left and right, up and down, roll, pitch and yaw. It has been.

  The six-degree-of-freedom jaw movement measuring device includes a sensor for measuring positions of an upper jaw frame and an upper jaw support body, a lower jaw frame body and a lower jaw support body, a biomarker support, and all signal generator bodies having a plurality of signal generators. It has a measuring unit.

  In a 6-DOF jaw movement measuring instrument, all signals generated by all signal generators of the maxillary frame and maxillary support, mandibular frame and mandibular support, and biomarker support are measured in front of the patient. The signal is propagated toward the unit (see Patent Document 1).

JP 2004-195151 A

  However, in Patent Document 1, when measuring jaw movements using a 6-DOF jaw movement measuring device, the shapes of the upper and lower jaw supports that connect the teeth to the upper and lower jaw frames are problematic.

  That is, in the jaw movement measurement by the 6-DOF jaw movement measuring device of Patent Document 1, it is difficult to close the cleft because the fixing part of the upper jaw support and the fixing part of the lower jaw support exist in the center of the human body. . A cleft is a portion that opens above and below the mouth.

  That is, in patent document 1, if it is a mild measurement, such as a chewing motion that bites and crushes ingested food with teeth, it can be used. However, there is a problem that the jaw movement cannot be measured when an object is held in the mouth, for example, when an attempt is made to measure the jaw movement while playing an instrument.

  Furthermore, in Patent Document 1, since there is a fixed portion of the upper jaw support and a fixed portion of the lower jaw support at the center of the cleft, even if an object is to be inserted into the oral cavity with the upper jaw support and the lower jaw support attached. Can't insert things into the mouth.

  Therefore, an object of the present invention is to provide a support component used in a jaw movement measuring apparatus that can perform jaw movement measurement with the degree of freedom of the lips of a human body.

  According to an embodiment of the present invention, in a support component used in a jaw movement measuring device having an upper jaw frame and a lower jaw frame, an upper jaw support connected to the upper jaw frame and a lower jaw support connected to the lower jaw frame. The upper jaw support body includes an upper frame fixing portion that is detachably connected to the upper jaw frame body, an upper jaw connection portion that is connected to the upper frame fixing portion, and an oral cavity from one side of the left and right mouth corners of the human body. An upper jaw fixing portion connected to the upper jaw connecting portion so as to be fixed to a back row tooth of the upper jaw within the oral cavity, and the lower jaw support body is detachable from the lower jaw frame body A lower frame fixing part connected to the lower frame fixing part, a lower jaw connecting part connected to the lower frame fixing part, and entering the oral cavity from the other side of the left and right mouth corners and different from the one side row of the upper jaw in the oral cavity The lower teeth in the lower jaw in the meshing position and the fixed teeth A lower jaw fixing portion connected to the lower jaw connecting portion, and the upper jaw connecting portion and the upper jaw fixing portion connect the upper jaw frame body and the upper frame fixing portion to the upper jaw fixing portion side. The lower jaw connecting part and the lower jaw fixing part are fixed to the lower jaw frame and the lower frame fixedly made of a material that maintains a displacement state after bending with respect to its own weight of the upper jaw frame. Used for a jaw motion measuring device characterized in that it is made of a material that maintains a displacement state after bending with respect to its own weight of the lower jaw frame when connecting the lower jaw and holding the lower jaw fixing portion side A support part is obtained.

  The upper jaw fixing portion has a shape that is bent so as to oppose at least a side surface of the plurality of back teeth and is fixed by an upper jaw fixing member, and the lower jaw fixing portion opposes at least a side surface of the plurality of back teeth. The shape bent so as to be fixed by the lower jaw fixing member.

  According to the support component used in the jaw movement measuring apparatus according to the embodiment of the present invention, when the jaw movement is measured by the jaw movement measuring apparatus, the jaw movement can be measured according to the measurement situation, and the lip of the human body can be measured. Since the jaw movement can be measured with the degree of freedom, there is an advantage that the range of measurement can be expanded.

  That is, according to the support component used in the jaw movement measuring apparatus according to the embodiment of the present invention, the jaw movement can be measured while the object is freely held in the central part of the cleft, or the central part of the cleft can be freely measured. There is an advantage that an object can be inserted into the jaw and the jaw movement can be measured, and the cleft can be closed during the measurement.

It is a perspective view which shows the support component which concerns on one Embodiment of this invention. It is the top view which looked at the state which fixed the upper jaw support body shown in FIG. 1 to the back teeth of the upper jaw side by the upper jaw fixing member from the intraoral area. It is the top view which looked at the state which fixed the lower jaw support body shown in FIG. 1 to the back teeth of the lower jaw side by the lower jaw fixing member from the intraoral area. FIG. 4 is a front view of the state in which the upper and lower jaw supports of FIGS. 2 and 3 are fixed as viewed from the outside of the face of the human body. It is a perspective view which shows the 1st assembly component which fixed the upper jaw frame to the support component shown in FIG. It is a perspective view which shows the 2nd assembly component which fixed the lower jaw frame to the support component shown in FIG. 6 shows a specific example of a six-degree-of-freedom jaw movement measuring device including a support part unit including the first assembly part shown in FIG. 5 and the second assembly part shown in FIG. It is a side view which shows schematic structure. It is the perspective view which looked at the lower jaw from the intraoral area in order to demonstrate the measurement direction of the 6-DOF jaw movement measuring apparatus shown in FIG.

  Hereinafter, a support component according to an embodiment of the present invention will be described. FIG. 1 shows a support component consisting of an upper jaw support and a lower jaw support.

  Referring to FIG. 1, the support component 11 includes an elongated upper jaw support 21 and an elongated lower jaw support 41 used as a pair with the upper jaw support 21.

  The upper jaw support 21 includes an upper frame fixing portion 22, an upper jaw connecting portion 23 connected to one end of the upper frame fixing portion 22, and connected to the upper jaw connecting portion 23 in the opposite direction to the upper frame fixing portion 22. The upper jaw fixing portion 24 extends.

  As shown in FIG. 1, the upper jaw fixing portion 24 is bent in a substantially U shape. FIG. 2 is a view of a state in which the upper jaw support shown in FIG. 1 is fixed to the upper teeth 57a and 57b on the upper jaw side by the upper jaw fixing member 81 as viewed from within the oral cavity.

  As shown in FIG. 2, the upper jaw fixing portion 24 is a portion that is fixed to the back teeth 57 a and 57 b by the upper jaw fixing member 81. After the upper jaw fixing portion 24 is bent and adjusted in accordance with the back teeth 57a and 57b with the substantially U-shaped portion facing the side surfaces of the plurality of back teeth 57a and 57b in one side row in the upper jaw 57 in the oral cavity of the human body, The upper jaw fixing member 81 is fixed to the back teeth 57a and 57b.

  The lower jaw support 41 includes a lower frame fixing portion 42, a lower jaw connecting portion 43 connected to one end of the lower frame fixing portion 42, and a lower jaw fixing portion 44 connected to the lower jaw connecting portion 43 and extending in one direction. And have.

  FIG. 3 is a view of the state in which the lower jaw support body 41 shown in FIG. 1 is fixed to the back teeth 58a and 58b on the lower jaw 58 side by the lower jaw fixing member 82, as viewed from the oral cavity.

  As shown in FIG. 3, in the oral cavity of the human body, a plurality of back teeth 57a, 57b in one side row in the upper jaw 57 of the upper jaw support 21 are a plurality of back teeth 58a, 58b in one side row in the lower jaw 58. It is opposed so as to be engaged.

  The lower jaw fixing part 44 is bent in a substantially U shape. The lower jaw fixing part 44 is a part fixed to the back teeth 58a, 58b by the lower jaw fixing member 82. The lower jaw fixing portion 44 is configured to bend and adjust to the back teeth 58a and 58b with the substantially U-shaped portion facing the side surfaces of the plurality of back teeth 58a and 58b in the other side row in the lower jaw 58 different from the one side row, and then back teeth The lower jaw fixing member 82 is fixed to 58a and 58b.

  The upper frame fixing part 22 and the lower frame fixing part 42 may have the same or different dimensions in the longitudinal direction. The longitudinal dimension of the upper jaw connecting portion 23 and the upper jaw fixing portion 24 is longer than that of the upper frame fixing portion 22. The longitudinal dimension of the lower jaw connecting part 43 and the lower jaw fixing part 44 is longer than that of the lower frame fixing part 42.

  The longitudinal dimension of the upper jaw connecting part 23 and the upper jaw fixing part 24 may be the same as or different from the longitudinal dimension of the lower jaw connecting part 43 and the lower jaw fixing part 44. In addition, the support component 11 can make components common if the upper jaw support body 21 and the lower jaw support body 41 are made the same length and the same shape.

  The upper frame fixing part 22 is preferably made of a band-shaped or bar-shaped metal material. The metal material is preferably made of, for example, a cobalt-chromium alloy, aluminum, titanium, duralumin, or other metal alloys that are used as medical care in dentistry. The upper frame fixing portion 22 and the upper jaw connecting portion 23 can be made by connecting one end portion of the upper frame fixing portion 22 and one end portion of the upper jaw connecting portion 23 by welding. The upper jaw connecting portion 23 and the upper jaw fixing portion 24 are preferably made of one metal material, but may be integrated by connecting one upper jaw connecting portion 23 and one upper jaw fixing portion 24 by welding.

  Further, the upper jaw connecting portion 23 and the upper jaw fixing portion 24 are made of a band-shaped or bar-shaped metal material that can be bent by manpower and a bending tool, can be bent easily, and can maintain the state after being displaced. It is desirable. As a metal material used for the upper jaw connecting part 23 and the upper jaw fixing part 24, for example, it is desirable to make it from a cobalt chrome alloy, aluminum, titanium, duralumin, and other metal alloys used for medical purposes in dentistry. Further, the upper jaw connecting portion 23 and the upper jaw fixing portion 24 may be a shape memory alloy.

  The lower frame fixing part 42 is preferably made of the same metal material as the upper frame fixing part. The lower frame fixing part 42 and the lower jaw connecting part 43 can be made by welding and connecting one end part of the lower frame fixing part 42 and one end part of the lower jaw connecting part 43. The lower jaw connecting portion 43 and the lower jaw fixing portion 44 are preferably made of one metal material, but may be integrated by welding and connecting one lower jaw connecting portion 43 and one lower jaw fixing portion 44. .

  In addition, the lower jaw connecting portion 43 and the lower jaw fixing portion 44 are preferably made of the same metal material as that of the upper jaw connecting portion 23 and the upper jaw fixing portion 24.

  Hereinafter, an operation for fixing the upper jaw support 21 and the lower jaw support 41 to the back teeth 57a and 57b on the upper jaw 57 side and the back teeth 58a and 58b on the lower jaw 58 side will be described. In the following description, the back teeth 57a and 57b on the upper jaw 57 side described with reference to FIG. 2 will be described as two premolars 57a and three premolars 57b. Further, the back teeth 58a and 58b on the lower jaw 58 side described with reference to FIG. 2 will be described as two premolars 58a and three premolars 58b.

  First, as shown in FIG. 1, the upper jaw fixing portion 24 of the upper jaw support 21 includes the outer surface of the two premolars 57a and the three premolars 57b and the premolars 57b in one side row on the upper jaw 57 side. It is bent into a substantially U shape so as to surround the inner surface of the plate. At this time, the upper jaw fixing portion 24 is bent in a substantially U shape by adjusting the bending shape with a manual tool and a bending tool such as a nipper or a pliers as a medical tool.

  Thereafter, as shown in FIG. 2, an upper jaw fixing member 81 is provided on the premolar 57a and the molar 57b to fix the upper jaw fixing portion 24. At this time, the upper jaw connecting portion 23 of the upper jaw support 21 extends outside the mouth angle 95a on one side of the left and right mouth angles 95a and 95b shown in FIG. Moreover, the upper frame fixing | fixed part 22 connected with the upper jaw connection part 23 is located ahead of the front tooth 57c.

  The mouth corners 95a and 95b are the outer corners of the cleft 93 between the upper lip 91 and the lower lip 92 of the human body, and indicate both the left and right joint portions of the upper lip 91 and the lower lip 92. The mouth corners 95a and 95b are important parts related to facial expressions and pronunciation.

  The upper jaw connecting portion 23 of the upper jaw support 21 is in a state in which one end side of the intermediate portion of the upper jaw connecting portion 23 protrudes from one of the left and right mouth angles 95a and 95b shown in FIG. 81 is fixed to the premolars 57a and the molars 57b. Therefore, the upper jaw connecting portion 23 does not protrude from the central portion of the cleft 93 of the upper lip 91 and the lower lip 92.

  Similarly, as shown in FIG. 1, the lower jaw fixing portion 44 is bent in a substantially U shape. The lower jaw fixing portion 44 of the lower jaw support body 41 is manually bent so as to surround the outer surface of the two premolars 58a and three molars 58b and the inner surface of the molars 58b in the other side row of the lower jaw 58. Adjust with a bending tool and bend it into a substantially U shape.

  Thereafter, the lower jaw fixing portion 44 is fixed to the premolars 58a and the molars 58b by the lower jaw fixing member 82 as shown in FIG. At this time, the lower jaw connecting portion 43 of the lower jaw support 41 extends outside the mouth angle 95b on the other side of the left and right mouth angles 95a, 95b shown in FIG. Further, the lower frame fixing portion 42 connected to the lower jaw connecting portion 43 is located in front of the front teeth 58c.

  The lower jaw connecting portion 43 of the lower jaw support body 41 is in a state in which one end side of the intermediate portion of the lower jaw connecting portion 43 protrudes from the other mouth angle 95b of the left and right mouth angles 95a and 95b shown in FIG. 82 is fixed to the premolars 58a and the molars 58b. Therefore, the lower jaw connecting portion 43 does not protrude from the central portion of the cleft 93 of the upper lip 91 and the lower lip 92.

  The upper jaw fixing member 81 and the lower jaw fixing member 82 are preferably fixed by any one of an instantaneous adhesive, a resin adhesive, and a phosphate dental cement. As a specific example of the instant adhesive, an adhesive mainly composed of cyanoacrylate, which is an organic compound, for example, Aron Alpha (trademark of Toagosei Co., Ltd.) is employed.

  The upper jaw fixing portion 24 and the lower jaw fixing portion 44 are respectively provided by two upper molars 57a, 58a and three molars 57b, 58b on the upper jaw 57 side and the lower jaw 58 side by an upper jaw fixing member 81 and a lower jaw fixing member 82. It is not limited to fixing. Thus, since it is sufficient that the upper jaw fixing portion 24 and the lower jaw fixing portion 44 can be reliably fixed, for example, the upper jaw 57 and the lower jaw 58 may be fixed only to the two molars 57b and 58b, respectively.

  Next, a specific example in which jaw movement is measured by a 6-jaw movement measuring device using the support component 11 including the upper jaw support 21 and the lower jaw support 41 will be described.

  First, as shown in FIG. 4, the upper jaw fixing portion 24 is fixed to the premolars 57 a and the molars 57 b with the upper jaw fixing member 81 so that the intermediate portion and one end side of the upper jaw connecting portion 23 protrude from the mouth angle 95 a on one side.

  The upper jaw support 21 is detachably connected to the upper jaw frame 113 as shown in FIG. The upper jaw support body 21 and the upper jaw frame body 113 are used as the first assembly part 111 by assembling them.

  Further, as shown in FIG. 4, the lower jaw fixing portion 44 is fixed to the premolars 58a and the molars 58b by the lower jaw fixing member 82 so that the intermediate portion and one end side of the lower jaw connecting portion 43 protrude from the mouth angle 95b on the other side.

  And the lower jaw support body 41 is detachably fixed to the lower jaw frame 133 as shown in FIG. The lower jaw support body 41 and the lower jaw frame body 133 are assembled into a second assembly part 131 by assembling them.

  As shown in FIG. 7, the first assembly component 111 and the second assembly component 131 serve as the support component unit 101 used in the six-degree-of-freedom jaw movement measuring device.

  The upper jaw frame 113 is provided with a plurality of first light emitting elements 112. The upper jaw frame 113 has a shape that faces the nose 153 of the human body shown in FIG. 7, extends from the nose 153 to the left and right of the face, and faces the face. When the upper jaw frame 113 is viewed from the plane of FIG. 5, it has a substantially inverted “<” shape.

  The upper jaw frame 113 is not limited to a substantially inverted “<” shape, and may be a semicircular shape or a semi-elliptical shape. The upper jaw frame 113 is preferably made of a resin material or a lightweight metal material.

  At least three first light emitting elements 112 are provided on the side surface of the upper jaw frame 113. Here, the side surface of the upper jaw frame 113 is an outer surface opposite to the side surface facing the face of the human body.

  When there are three first light emitting elements 112, one is provided on the side surface of the central portion of the upper jaw frame 113 in the longitudinal direction and one is provided on each side surface of the upper jaw frame 113 in the longitudinal direction.

  Furthermore, a first holding portion 116 in which a first hole 116a is formed in a central portion in the longitudinal direction of one surface orthogonal to the side surface of the upper jaw frame 113, and a screw component provided in the first holding portion 116 The first fixing member 117 as described above is included.

  Hereinafter, the fixation of the upper jaw frame body 113 and the upper frame fixing portion 22 of the upper jaw support body 21 by the first fixing member 117 will be described.

  First, the distal end portion of the upper frame fixing portion 22 of the upper jaw support 21 is inserted into the second hole 116 a of the first holding portion 116. Then, by screwing a screw portion (not shown) of the first fixing member 117 into a screw hole (not shown) formed in the first holding portion 116, the first fixing member 117 is screwed. The upper frame fixing part 22 is fixed by the front end surface of the screw part.

  The lower jaw frame 133 is provided with a plurality of second light emitting elements 132. The lower jaw frame 133 is formed to face the lips 55 of the human body shown in FIG. 4 so as to exceed the left and right mouth corners 95a and 95b of the lips 55 from the center of the lips 55 and to face the face in the left-right direction. It is a shape that has been.

  When the lower jaw frame 133 is viewed from the plane of FIG. 6, it has a substantially inverted “<” shape. The lower jaw frame 133 is not limited to a substantially inverted “<” shape, and may be semicircular or semielliptical. The lower jaw frame 133 is preferably made of a resin material or a lightweight metal material.

  At least three second light emitting elements 132 are provided on the side surface of the lower jaw frame 133. Here, the side surface of the lower jaw frame 133 is an outer surface opposite to the side surface facing the face of the human body. When there are three second light emitting elements 132, one is provided on the side surface of the central portion in the longitudinal direction of the lower jaw frame 133 and one is provided on each side surface in the longitudinal direction of the lower jaw frame 133. .

  At a central portion in the longitudinal direction of one surface orthogonal to the side surface of the lower jaw frame 133, a second holding portion 136 in which a second hole 136a is formed, and a screw component provided in the second holding portion 136 Second fixing member 137.

  Hereinafter, fixing of the lower jaw frame 133 and the upper frame fixing portion 42 of the lower jaw support 41 by the second fixing member 137 will be described.

  First, the distal end portion of the lower frame fixing portion 42 of the lower jaw support 41 is inserted into the second hole 136 a of the second holding portion 136. Then, by screwing a screw portion (not shown) of the second fixing member 137 into a screw hole (not shown) formed in the second holding portion 136 and screwing it, the second fixing member 137 is fixed. The lower frame fixing part 42 is fixed by the front end surface of the screw part.

  Further, as shown in FIG. 7, the six-degree-of-freedom jaw movement measuring device includes a first light receiving element 171 that receives light from the first light emitting element 112 and a second light receiving element that receives light from the second light emitting element 132. 172, and a sensor portion 175 having the 172.

  Further, the six-degree-of-freedom jaw movement measuring apparatus uses ± X axis, ± Y axis, ± Z axis and roll indicating the vertical movement of the lower jaw 58 with respect to the upper jaw 57 of the human body by the measurement coordinates in FIG. , A measurement / recording device 176 for quantifying and measuring with six kinds of parameters including three kinds of inclinations of pitch and yaw.

  In addition, as a specific jaw movement measuring apparatus, the jaw movement measuring apparatus disclosed in JP-A-2004-195151, the three-dimensional movement measuring apparatus disclosed in JP-A-2002-355264, a method thereof, and There are a three-dimensional position detection device, a three-dimensional jaw movement display device and method disclosed in JP 2001-112743 A, a storage medium storing a three-dimensional jaw movement display program, and the like.

  Techniques for measuring jaw movement include a one-degree-of-freedom measurement device that measures only the opening amount, a two-degree-of-freedom measurement device that measures the movement of one point in the plane, such as Gothic arch writing, and one attached to the living body. There are a three-degree-of-freedom measuring device that measures the three-dimensional position of a score, a five-degree-of-freedom measuring device that measures the three-dimensional position of two scores, and a six-degree-of-freedom jaw movement measuring device.

  The distal end portion of the upper frame fixing portion 22 of the upper jaw support 21 is inserted into the first hole 116 a in the first holding portion 116 of the upper jaw frame 113. Then, the upper frame fixing part 22 inserted into the first hole 116 a is fixed by the first fixing member 117. Similarly, the tip of the lower frame fixing portion 42 of the lower jaw support 41 is inserted into the second hole 136 a of the second holding portion 136 of the lower jaw frame 133. Then, the lower frame fixing portion 42 inserted into the second hole 136 a is fixed by the second fixing member 137.

  The distance between the upper jaw fixing portion 24 fixed to the premolars 57a and the molars 57b by the upper jaw fixing member 81 and the upper jaw frame 113 is such that the upper frame fixing portion 22 and the first holding portion 116 of the upper jaw frame 113 are in contact with each other. Adjustment is possible by sliding the first hole 116a in the axial direction. Similarly, the distance between the lower jaw fixing portion 44 fixed to the premolar teeth 58a and the molar teeth 58b by the lower jaw fixing member 82 and the lower jaw frame 133 is such that the lower frame fixing portion 42 and the second holding portion 136 of the lower jaw frame 133 are fixed. Adjustment is possible by sliding the second hole 136a in the axial direction.

  The upper jaw connecting portion 23 and the lower jaw connecting portion 43 are manually and bent by a bending tool so that the upper jaw frame 113 is located above the face and the lower jaw frame 133 is located below the upper jaw frame 113 and substantially parallel to each other. After the bending adjustment, the positions of the upper jaw frame body 113 and the lower jaw frame body 133 are determined by maintaining a predetermined displacement state. In addition, the displacement state after the adjustment is performed by bending the upper jaw connecting portion 23 and the lower jaw connecting portion 43 so that the first light emitting element 112 and the second light emitting element 132 face the first light receiving elements 171 and 172.

  That is, for the upper jaw connecting portion and the upper jaw fixing portion, a processed band-like or rod-like metal material that can be bent and can be displaced after being bent with respect to its own weight of the upper jaw frame body is used. Similarly, the lower jaw connecting portion and the lower jaw fixing portion use a band-like or rod-like metal material that is processed so as to be bendable and maintain a displacement state after being bent with respect to its own weight.

  Therefore, in the state where the first assembly component 111 and the second assembly component 131 of the support component unit 101 are fixed to the upper jaw 57 side and the lower jaw 58 side, the central portions of the lip 93 of the upper lip 91 and the lower lip 92 are opened. be able to. Therefore, the central portion of the cleft 93 is free from obstructions, and is not disturbed by the upper jaw connecting portion 23 and the lower jaw connecting portion 43. Therefore, when the jaw movement is measured using the upper jaw support 21 and the lower jaw support 41, measurement according to the measurement situation is possible.

  Specifically, it is possible to measure by inserting an object freely from the central part of the cleft 93, or measuring the vertical movement of the lower jaw 58 when performing while holding an object such as an instrument mouth. Since it becomes possible to open and close the cleft 93 freely, the degree of freedom of measurement can be increased.

  Further, the upper jaw support body 21 only needs to have strength to support the upper jaw frame body 113, and the lower jaw support body 41 only needs to have strength to support the lower jaw frame body 133. Furthermore, the upper jaw fixing member 81 and the lower jaw fixing member 82 may be any material that can be easily removed when the upper jaw support 21 and the lower jaw support 41 are removed.

  Further, in order to separate the upper jaw support body 21 and the upper jaw frame body 113, an operation opposite to the operation of fixing the first fixing member 117 is performed, so that the upper jaw support body is removed from the first hole 116 a in the first holding portion 116. The tip end portion of the upper frame fixing portion 21 can be removed. Therefore, the upper jaw support 21 and the upper jaw frame 113 are detachable.

  Similarly, in order to separate the lower jaw support body 41 and the lower jaw frame body 133 from the second hole 136a in the second holding portion 136 by performing an operation reverse to the operation of fixing the second fixing member 137, the lower jaw support body is separated. The front end portion of the lower frame fixing portion 42 of 41 can be removed. Therefore, the lower jaw support body 41 and the lower jaw frame body 133 are detachable.

  By using the support component 11 of the present embodiment based on the above characteristics, variations in jaw movement measurement according to the measurement situation increase when jaw movement measurement is performed in the freedom degree jaw movement measuring apparatus.

DESCRIPTION OF SYMBOLS 11 Support component 21 Upper jaw support body 22 Upper frame fixed part 23 Upper jaw connection part 24 Upper jaw fixed part 41 Mandible support body 42 Lower frame fixed part 43 Lower jaw connection part 44 Lower jaw fixed part 55 Lip 57 Upper jaw 57a, 58a Back teeth (molar teeth)
58 Mandible 57b, 58b Back teeth (molars)
81 Upper jaw fixing member 82 Lower jaw fixing member 91 Upper lip 92 Lower lip 93 Cleft 95a, 95b Mouth corner 101 Supporting part unit 111 First assembly part 112 First light emitting element 113 Upper jaw frame 116 First holding part 117 First fixing member 131 First 2 Assembly parts 132 2nd light emitting element 133 Mandibular frame 136 2nd holding | maintenance part 137 2nd fixing member

Claims (2)

In a support component used in a jaw movement measuring device having an upper jaw frame and a lower jaw frame, an upper jaw support connected to the upper jaw frame and a lower jaw support connected to the lower jaw frame,
The upper jaw support is inserted into the oral cavity from one side of the left and right mouth corners of the human body, an upper frame fixing portion that is detachably connected to the upper jaw frame, an upper jaw connection portion that is connected to the upper frame fixing portion, and An upper jaw fixing portion connected to the upper jaw connecting portion so as to be fixed to the back teeth of one side row in the upper jaw in the oral cavity,
The lower jaw support includes a lower frame fixing portion that is detachably connected to the lower jaw frame body, a lower jaw connection portion that is connected to the lower frame fixing portion, and enters the oral cavity from the other side of the left and right mouth corners. A lower jaw fixing portion connected to the lower jaw connecting portion so as to be fixed to a back tooth of the other side row in the lower jaw at a meshing position different from the one side row of the upper jaw in the oral cavity,
The upper jaw connecting portion and the upper jaw fixing portion are displaced after being bent with respect to the weight of the upper jaw frame body when the upper jaw frame body and the upper frame fixing portion are connected and the upper jaw fixing portion side is held. Made by the material that maintains the
The lower jaw connecting portion and the lower jaw fixing portion are displaced after being bent with respect to the weight of the lower jaw frame when the lower jaw fixing portion is connected to the lower jaw frame and the lower jaw fixing portion is held. A support component for use in a jaw movement measuring device, characterized by being made of a material that maintains chin.   The support component used in the jaw movement measuring device according to claim 1, wherein the upper jaw fixing portion is bent to be fixed by an upper jaw fixing member so as to face at least a side surface of the plurality of back teeth, The support part used for the jaw movement measuring device characterized in that the lower jaw fixing part has a shape bent so as to be fixed by a lower jaw fixing member so as to face at least the side surface of the plurality of back teeth.

Images