JP4196205B2 - Dental occlusal pressure measurement / occlusion adjustment system and dental occlusal pressure measuring device - Google Patents

Description

  The present invention relates to an occlusal pressure measurement / occlusion adjustment system and a dental occlusal pressure measurement tool used therefor.

Conventionally, wax or impression material is used as a means of grasping the shape of the dental arch,
In addition, as a means for measuring the occlusal pressure, a thin film of a pressure sensing resistor that detects the distribution state by the degree of color development due to the pressure when the film-like sensor is bittened or the electric resistance changes by the pressure is provided. Acquire individual data such as an occlusal pressure measurement sensor sheet (Patent No. 2904494) with a pressing position detection signal output function that displays in real time the measurement value of occlusal pressure of the dentition when the film-like sensor is occluded There was a means to do.
Japanese Patent No. 2904494

However, the acquired data is insufficient to perform a specific simulation prior to treatment, and the actual diagnosis and treatment are mainly left to the experience of a skilled person. Therefore, the data acquisition device is used exclusively by specialized researchers and has not been widely used by general dentists.
In the occlusal adjustment currently performed in the clinic, since there is no quantitative examination method for positioning the contact site in real time, for example, the early contact portion cannot be adjusted.
This is because the system that records occlusal adjustments in real time does not have a function as a therapeutic instrument and cannot be applied clinically.
In the present invention, a device for displaying the measurement value of the occlusal pressure in real time, the function as an occlusal adjustment device that realizes the positioning of the contact part and the marking of the early contact part of the tooth in the above (Patent No. 2904494) are added. An occlusal pressure measurement and occlusion adjustment system is provided.

In view of the above, the present inventors have solved the problem by the following means as a result of intensive experimental research.
[1] Dental occlusion used in a dental occlusal pressure measurement / occlusion adjustment system including a process of displaying and recording a real-time pressure value from a sensing point of a dental occlusion pressure measurement sensor sheet as an image and / or data A pressure measuring tool,
An occlusal pressure measurement sensor sheet having a pressing position detection signal output function and a U-shaped thin plate sensor sheet support that detachably supports the sensor sheet, and a sealant material is coated on the occlusal pressure measurement sensor sheet surface. The occlusal dental occlusion is characterized in that the surface of the U-shaped sheet sensor sheet support is engraved or printed with a grid-like XY coordinate scale and numbers / symbols indicating the divisions. Pressure measuring tool.
[2] One end edge of the lower side of the rectangular short tube is horizontally joined to the base portion of the sensor support, and a lid that can be freely opened and closed is attached to one end edge of the upper long side of the short tube. The dental apparatus according to [1], wherein the piece is pivotally attached and a packing plate is provided on the inner surface of the lower end of the lid piece and the upper surface of one end edge of the lower side of the short tube. Occlusal pressure measuring device.

[3] On the upper surface of the sensor sheet on which the recording data obtained by biting the dental occlusal pressure measuring sensor sheet of the dental occlusal pressure measuring instrument described in [1] above and a U-shaped thin sensor sheet support are recorded. A transparent scale board on which XY coordinate scales in the form of a grid and numbers / symbols indicating the divisions are printed.
[4] (1) Occlusal pressure measurement sensor sheet having a pressing position detection signal output function and a U-shaped thin plate sensor sheet support that detachably supports the sensor sheet, and the occlusal pressure measurement sensor sheet surface The dental material is coated with a marking material, and the U-shaped sheet sensor sheet support surface is engraved or printed with a grid-like XY coordinate scale and numbers / symbols indicating the divisions. An occlusal pressure measurement tool, (2) a parallel interface module that accepts a digital signal converted from an electrical resistance output from each pressure detection point of the sensor sheet, and (3) a pressing position output from the occlusal pressure measurement sensor sheet A central processing unit (CPU) for analyzing the detection signal; and (4) a CPU for analyzing the pressed position detection signal output from the occlusal pressure measurement sensor sheet. Dental occlusal pressure measurement and occlusal adjustment system for a display device for displaying the occlusion pressure values obtained al in the image and / or data, to become equipped with features.

[5] (1) Occlusal pressure measurement sensor sheet having a pressing position detection signal output function and a U-shaped thin plate sensor sheet support that detachably supports the sensor sheet, and the occlusal pressure measurement sensor sheet surface The dental material is coated with a marking material, and the U-shaped sheet sensor sheet support surface is engraved or printed with a grid-like XY coordinate scale and numbers / symbols indicating the divisions. An occlusal pressure measurement tool, (2) a parallel interface module that accepts a digital signal converted from an electrical resistance output from each pressure detection point of the sensor sheet, and (3) a pressing position output from the occlusal pressure measurement sensor sheet A central processing unit (CPU) for analyzing the detection signal; and (4) a CPU for analyzing the pressed position detection signal output from the occlusal pressure measurement sensor sheet. A display that displays the occlusal pressure value obtained from the image or / and data, and (5) marking data obtained by biting the dental occlusal pressure measuring sensor sheet of the dental occlusal pressure measuring device of [1] above A transparent scale board on which a XY coordinate scale in a grid shape and numbers / symbols indicating the classification are printed are used in an overlapped manner on the upper surface of a U-shaped thin plate-shaped sensor sheet support. A dental occlusal pressure measurement / occlusion adjustment system characterized by comprising:

[6] (1) A portion of the occlusal portion of the sensor sheet marked with the tooth is engraved on the occlusal surface of the tooth by biting the occlusal pressure measuring sensor sheet to which the above-mentioned marking material is applied. The dentition of the tooth profile with the peeled off is displayed,
(2) The position of the tooth profile is specified by a number / symbol indicating the scale division of the XY coordinates,
(3) The position of the pattern indicating the occlusal pressure data of each tooth is specified by the numbers and symbols indicating the scale divisions of the XY coordinates displayed on the display device,
(4) The above-mentioned item [4], wherein the tooth indicating the occlusal pressure data can be positioned by visually comparing both the sensor sheet and the display screen and confirming the corresponding coordinate position. ] The occlusal pressure measurement / adjustment system according to any one of [5].
[7] The tooth position that needs to be adjusted is confirmed by the three data of the tooth profile on the sensor sheet with the XY coordinate scale and the image occlusion pressure data of the display and the marking data remaining on the tooth, and the treatment The occlusal pressure measurement / occlusion adjustment system according to [6] above, characterized in that it can be performed.
[8] The recording material applied to the sensor sheet is applied by spraying, is quick-drying, and is easily peeled off during occlusion and adheres to the occlusal surface of a tooth. The dental occlusal pressure measuring instrument according to [1] or [2] above.

According to the present invention, the following excellent effects can be exhibited.
1. According to the invention of claim 1 of the present invention,
Dental occlusal pressure measurement tool used in a dental occlusal pressure measurement / occlusion adjustment system including a process of displaying and recording real-time pressure values from a sensing point of a dental occlusal pressure measurement sensor sheet as an image and / or data And
An occlusal pressure measurement sensor sheet having a pressing position detection signal output function and a U-shaped thin plate sensor sheet support that detachably supports the sensor sheet, and a sealant material is coated on the occlusal pressure measurement sensor sheet surface. Since the surface of the U-shaped thin plate sensor sheet support is engraved or printed with a grid-like XY coordinate scale and numbers / symbols indicating the division,
When the sensor sheet is occluded, the marking material is marked on the occlusal surface of the tooth, and the occlusal portion of the sensor sheet displays the tooth form of the tooth profile in a state where the portion marked on the tooth is peeled off, The position of the tooth profile can be specified by the XY coordinate scale and numbers / symbols indicating the division.
Further, since the XY coordinate scale is arranged on the sensor support, it can be used repeatedly.

2. According to the invention of claim 2,
One end edge of the lower long side of the rectangular short tube is horizontally joined to the base of the sensor support, and a lid piece pivots on one end edge of the upper long side of the short tube. Since the packing plate is provided on the inner surface of the lower end of the lid piece and on the upper surface of one end edge of the lower long side of the short tube, the sensor sheet can be easily attached and detached, and reliably attached. In addition, the upper and lower packings sandwiching the sensor sheet can stop the intrusion of moisture such as saliva in the oral cavity and prevent contamination of the device.
3. According to the invention of claim 3,
XY coordinate scale in the form of a grid, which is used by being superimposed on the upper surface of a sensor sheet supporting U-shaped thin plate sensor sheet support and recording sheet data obtained by biting the dental occlusal pressure measurement sensor sheet Since it is a transparent scale board on which numbers and symbols indicating divisions are printed, it is possible to obtain easy-to-see XY coordinates if used on a sensor support in addition to being used alone.
The transparent scale board may be reused or disposable, or may be a transparent sheet.

According to the inventions of claim 4, claim 4 and claim 5,
An occlusal pressure measurement sensor sheet having a pressing position detection signal output function and a U-shaped thin plate sensor sheet support that detachably supports the sensor sheet, and a sealant material is coated on the occlusal pressure measurement sensor sheet surface. The occlusal dental occlusion is characterized in that the surface of the U-shaped sheet sensor sheet support is engraved or printed with a grid-like XY coordinate scale and numbers / symbols indicating the divisions. A pressure measurement tool, (2) a parallel interface module that accepts a digital signal converted from an electrical resistance output from each pressure detection point of the sensor sheet, and (3) a pressed position detection output from the occlusal pressure measurement sensor sheet A central processing unit (CPU) that analyzes the signal; and (4) a C that analyzes the pressed position detection signal output from the occlusal pressure measurement sensor sheet. To become equipped with a display for displaying the occlusion pressure value obtained from the U in the image and / or data,

By the XY coordinate image by the tool and CPU and its display, an occlusal pressure data image of each tooth can be obtained,
In addition, a sensor sheet on which recording data obtained by biting a dental occlusal pressure measurement sensor sheet of the dental occlusal pressure measurement tool is recorded and used on the upper surface of a U-shaped thin plate sensor sheet support. Since it has a grid-like XY coordinate scale and a transparent scale board on which numbers and symbols indicating the division are printed, it is easy to compare the XY coordinate on the sensor sheet with the XY coordinate on the display. .

5. According to the invention of claim 6,
[6] (1) A portion of the occlusal portion of the sensor sheet marked with the tooth is engraved on the occlusal surface of the tooth by biting the occlusal pressure measuring sensor sheet to which the above-mentioned marking material is applied. The dentition of the tooth profile with the peeled off is displayed,
(2) The position of the tooth profile is specified by a number / symbol indicating the scale division of the XY coordinates,
(3) Since the position of the pattern indicating the occlusal pressure data of each tooth is specified by the numbers and symbols indicating the scale divisions of the XY coordinates displayed on the display device,
By visually comparing both the sensor sheet and the display screen and confirming the corresponding position on the coordinates, the tooth indicating the occlusal pressure data can be positioned.
6. According to the invention of claim 7,
It is possible to confirm and treat a tooth adjustment area that requires adjustment based on three data of the tooth profile on the sensor sheet on which the XY coordinates are scaled, the image occlusion pressure data of the display, and the marking data remaining on the tooth. it can.

7. According to the invention of claim 8,
The marking material applied to the sensor sheet is applied by spraying, is quick-drying, easily peels off at the time of occlusion, and adheres to the occlusal surface of the tooth, and is applied to the sensor sheet. The sealant is a spray type that can be applied quickly on average, is quick-drying in the air, easily peels off at the time of occlusion, adheres to the occlusal surface of the tooth, and can be easily wiped away. The sensor sheet can be repeatedly applied and used.

From the above, the practitioner with a simple occlusal pressure measurement and occlusal adjustment system, for all denture wearers, when early contact was confirmed from the occlusal contact record with the above-mentioned marking material,
(1) The early contact portion is confirmed from the display of the indicator and the artificial occlusal surface of the denture.
(2) The occlusal adjustment of the early contact portion is performed by operations such as cutting and polishing of the specific occlusal head portion of the artificial tooth.
(3) After performing the occlusal adjustment, the contact image of the occlusal contact is recorded.
(4) From the record after adjustment, decrease in Δ area (early contact area), interference time ratio (time when the occlusal pressure waveform reaches its peak within one tapping time, and occlusal pressure from the peak of the occlusal pressure waveform) The ratio of the time until the value reaches zero is confirmed, and if it is within the standard range, it will be used as a guide for the end of adjustment.
(5) The occlusal balance can be evaluated by the position of the center of gravity of the displayed occlusal pressure.
Furthermore, the balance adjustment at the time of a left-right and a side movement can be performed about the above-mentioned (1)-(5) about a full jaw prosthesis treatment person.

For partial prosthetics (when wearing a crown and partial dentures in cases with missing teeth)
(1) Record occlusal contact of clenching, tapping and lateral movement when the crown is worn.
(2) Occlusal contact recording is performed at the stage where contact adjustment of the adjacent surface is completed.
(3) Confirm early contact, and adjust occlusion by operations such as cutting and polishing of the specific occlusal contact portion of the tooth.
(4) If there is no increase in Δ area, Occlusal Contact time (time until the peak of occlusal contact pressure is recorded at the time of maximum bite), or interference time ratio from the record after adjustment, it will be an indication of completion of adjustment. can do.

Embodiments will be described below with reference to the drawings.
FIG. 1 is a block diagram of an occlusal pressure measurement / occlusion adjustment system.
In the figure, 1 is a dental occlusal pressure measuring device, 2 is a sensor sheet, 2 'is an insertion center guide, 3 is a sensor connector, 3' is an insertion sensor sheet pressing lever, 4 is a parallel interface module, 5 is a power adapter, 6 is a computer, 7 is a display, 8 is a printer, 9 is a sensor support, 9 'is a sensor support opening, 10 is an XY coordinate on the sensor sheet side, 11 is a scale division number, 12 is an XY coordinate on the screen, 13 Is a signal line, 14 is a coating spray container, 15 is a printing material, 16 is a subject, and 17 is a dentition.

The configuration of the occlusal pressure measurement / occlusion adjustment system is
A film-like sensor sheet 2 in which a thin film of a pressure sensing resistor whose electrical resistance changes according to the pressure applied to the tooth row 17 and an X direction arranged in a matrix at regular intervals above and below the thin film The electrode and the Y-direction electrode, and the intersection of them is an individual pressure detection point,
The base part of the sensor sheet 2 formed entirely as a film-like sheet is inserted and connected, grasped and inserted into the oral cavity of the subject 16, and the electrical resistance at each pressure detection point of the sensor sheet 2 is converted into a digital signal in parallel. A sensor connector 3 for transmitting to the interface module 4, a power adapter 5 connected to the parallel interface module 4 for processing the transmitted signal and transmitting it to the peripheral device, a computer 6 for analyzing and displaying the occlusal pressure, and the display 7 And a printer 8 and a sensor support 9 for the sensor sheet 2 as a guide and holder. The pressure value from each pressure detection point of the sensor sheet 2 is a digital image and data for each color. Consists of a dental occlusal pressure measuring device that displays and records in real time.

And the part of the sensor sheet shown in FIG.
An XY coordinate scale having a lattice shape is formed on the upper surface of the U-shaped sensor support 9 having an introduction groove aligned with the outer periphery of the sensor sheet 2 for supporting insertion of the sensor sheet 2 having a horseshoe-shaped occlusion portion. And XY coordinates 10 on the sensor sheet side on which numbers / symbols indicating the sections are engraved or printed.

FIG. 2 is an external perspective view in which the sensor support opening is opened and a sensor sheet is inserted.
In the figure, 3 'indicates a pressing lever of the insertion sensor sheet.
As shown in the figure, the sensor support opening 9 'is manually opened with the insertion center guide 2'. The upper surface of the U-shaped sensor support 9 having an introduction groove aligned with the outer periphery of the sensor sheet for supporting the insertion of the horseshoe-shaped sensor sheet 2 on the upper surface of the U-shaped sensor support 9 and its division Numbers / symbols indicating are marked or printed.
On the other hand, when it is set (FIG. 4), it is fitted into the upper surface portion of the U-shaped sensor support, and is integrated when it is flat. The XY coordinate scale that is made is engraved or printed.

FIG. 3 is an external perspective view when the sensor support is opened.
In the figure, 24 is a short-angle tube, 25 is a lid piece, 26 is an opening / closing fulcrum, 27 is an inner packing plate, and 28 is an upper packing plate.
One end edge of the lower long side of the rectangular short tube 24 is joined horizontally to the base of the U-shaped thin plate sensor sheet 9 of the opening 9 ′ of the sensor support,
Further, a lid piece 25 is pivotally attached to one end edge of the upper long side of the upper portion of the short tube 24 so as to be freely opened and closed.
The lid piece 25 moves up and down around the left and right opening / closing fulcrum 26,
And on the inner surface of the lower end of the lid piece 25 and the upper surface of one end edge of the long side below the short tube,
An inner packing plate 27 and an upper packing plate 28 are provided.
As shown in FIG. 3 below, when these two packing plates are inserted into the sensor sheet 2 and the lid piece 25 is closed, the front portion of the connector portion of the sensor sheet 2 is sandwiched and fixed, and moisture such as saliva in the oral cavity is retained. Intrusion into the sensor connector 3 is prevented, and contamination can be prevented.
The rectangular short tube 24 can be removed from the sensor connector 3.

FIG. 4 is an external perspective view in which the sensor support opening is closed and the XY coordinate scale is a plane.
FIG. 5 is a plan view in which XY coordinates and scale division numbers / symbols formed in a lattice shape when the opening of the sensor support is closed are engraved and printed.
Since the scale is symmetrical, the back surface can be used in the same manner.

In addition to the graduation method as described above, on the upper surface of the sensor support 2, the upper end edge of the sensor support 2 is placed in alignment with the insertion center guide 2 ′. You may use the square-shaped transparent scale board (23) on which the scale division number 11 which shows the division was printed.
FIG. 6 is a plan view of a transparent scale board with XY coordinates for placement.
In the figure, reference numeral 23 denotes an XY coordinate transparent scale board.
This transparent scale board may be reused or disposable, and may be a transparent sheet.
Further, the transparent scale board 23 can be used alone or in an easy-to-see XY coordinate system when used on the sensor support of FIG.
FIG. 7 is a plan view when a transparent scale board is overlaid on the sensor support.

FIG. 8 is a plan view in which a printing material is applied on the occlusal portion of the sensor support.
In the figure, 18 indicates a coating area.
A printing material 15 is applied to the application area 18 on the occlusal portion of the sensor sheet 2 at the center of the U-shaped sensor support 9 on which the XY coordinates are printed.
At this time, application of the above-mentioned printing material is performed on the front, back, or both sides of the sensor sheet 2.
Moreover, the printing material 15 applied to the sensor sheet 2 is preferably spray type (application container 14: FIG. 1), which can perform average application quickly, and is quick-drying in the air and occlusal. It is preferable that it easily adheres to the occlusal surface of the tooth and peels off.
Furthermore, the above-mentioned printing material 15 is preferably, for example, a pigment for foodstuffs or a pigment for cosmetics, which has an additive property, and more preferably can be wiped off easily after the fact.

FIG. 9 is a tooth adhesion diagram of a printing material.
In the figure, 19 indicates the upper jaw and 20 indicates the lower jaw.
When the sensor sheet 2 coated with the marking material 15 is occluded, the marking material 15 adheres to the occlusal surface (upper jaw or lower jaw or both jaw dentition) of a living tooth dentition 17 or a denture (not shown). Stamped.

FIG. 10 is a diagram of dentition data remaining on the sensor sheet.
In the figure, 21 indicates dentition data.
At the time of the occlusion, the dentition data 21 remains on the sensor sheet 2 in a form in which the marking 15 in the application area 18 is peeled off.

FIG. 11 is a diagram of occlusal pressure data displayed on the display.
In the figure, 22 indicates occlusal pressure data.
On the display 7 of the dental occlusal pressure measuring apparatus 1, an XY coordinate 12 having a lattice shape similar to that of the sensor sheet 2 created in the computer 6 and containing scale division numbers 11 is displayed as an image. Real-time occlusal pressure data 22 at the time of occlusion is displayed.

Next, the operation of this configuration will be described.
In FIG. 1, when the sensor sheet 2 coated with the marking material 15 is bitten,
The marking material 15 is marked on the dentition 17 of the living tooth or the occlusal surface of the denture (FIG. 9), and the position of the tooth profile in a state where the portion marked on the tooth is peeled off at the occlusal portion of the sensor sheet 2, that is, The dentition data 21 is displayed (FIG. 10).
Then, the position of the tooth profile is specified by the scale division number 11 of the XY coordinates 10.

On the other hand, the position of the image of the occlusal pressure data 22 of each tooth in real time is indicated by the scale division number 11 of the XY coordinates 12 on the screen displayed on the screen (FIG. 11) of the display 7 of the occlusal measurement apparatus 1. Identify.
The occlusal pressure data 22 is an image when the dentition 17 of the upper jaw 19 or the lower jaw 20 (FIG. 9) is occluded, but the outline of the tooth profile (FIG. 10) of the front or back dentition remaining in the sensor sheet 2 Is included.

  Therefore, both the dentition data 21 of the sensor sheet 2 and the occlusal pressure data 22 of the display screen are aligned and visually compared, and the corresponding XY coordinates 12 on the screen and the positions of the sensor sheet on the XY coordinates 10 are compared. By confirmation, it is possible to determine which tooth in the dentition data 21 corresponds to the tooth indicating the occlusal pressure data 22.

Further, when the sensor sheet 2 coated with the marking material 15 is occluded, the marking material 15 is marked on the dentition 17 (FIG. 1) or the occlusal surface of the denture (upper jaw 19 or lower jaw 20 or both jaw dentition). Since an image (FIG. 9) is obtained, the dentition data 21, the occlusal pressure data 22, and the recorded images of the teeth can be compared with each other visually to confirm the mutual relationship.
That is, when the positional relationship of the occlusal contact portion in the dentition 17 of the living tooth or the denture is clarified and the work such as cutting and polishing of the dentition 17 of the living tooth or the specific occlusal site of the denture is repeated following the diagnosis, The occlusal adjustment can be accurately performed while comparing the occlusal pressure data 22, the dentition data 21, and the recorded image of the tooth.

Next, the operation of the occlusal pressure measurement / occlusion adjustment system described above will be described.
The sensor sheet 2 is subjected to clenching and tapping motion by biting the subject 16 for about 15 seconds, and real-time occlusal pressure data 22 is acquired by the computer 6.
In addition to these, toothed jaws also perform lateral movement. At that time, the bite should be done strongly. The lateral movement and clenching at the occlusal head fitting position are performed by one bite, and tapping is continuously performed.
The occlusal pressure data 22 (pressure distribution diagram of the dental occlusal head) is displayed as an image with a predetermined size on the display 7 displaying the XY coordinates 12 on the screen.

Further, when the occlusal pressure data 22 is obtained, the dentition data 21 is displayed on the sensor sheet 2 on which the XY coordinates 10 are printed, with the marking material 15 in the application area 18 being peeled off. The pressure distribution diagram of the dentition occlusal head can be positioned by visually confirming the positional relationship in the coordinates.
Then, by obtaining a real-time image of the pressure distribution map (occlusion pressure data 22) of the time series dental arch occlusal contact on the image, the condition of occlusion pressurization when the subject 16 performs clenching and tapping motion, that is, The practitioner sequentially displays the real-time change image from the occlusal head occlusal pressure that is in contact with the initial bite until it is strongly bitten, or displays it as a hard copy by the printer 8 to obtain the occlusion. It can be used to evaluate contact.

In addition, for all denture wearers, when early contact is confirmed from the occlusal contact record by the sealant 15,
(1) In the sensor sheet 2 coated with the marking material 15 on the surface, an early contact portion from the portion where the color is lost because the marking material 15 is occluded, and the display of the indicator 7 and the artificial occlusal surface of the marked denture Confirm. At this time, if the seal is not clear, it is bitten again.
(2) The occlusion adjustment is performed on the early contact portion by work such as cutting and polishing of the specific occlusion portion of the artificial tooth.
(3) After performing the occlusal adjustment, the contact image of the occlusal contact is recorded.
(4) From the record after adjustment, a decrease in the Δ area and a decrease in the interference time ratio are recognized.
(5) Further, the occlusal balance can be evaluated by the position of the center of gravity of the displayed occlusal pressure.
Furthermore, for the full jaw prosthesis treatment person, the balance adjustment at the time of (1) to (4) and the right and left and side movements can be performed.

For partial prosthetics (when wearing a crown and partial dentures in cases with missing teeth)
(1) Record occlusal contact of clenching, tapping and lateral movement when the crown is worn.
(2) Occlusal contact recording is performed at the stage where contact adjustment of the adjacent surface is completed.
(3) Confirm early contact and adjust occlusion by operations such as cutting and polishing of the specific occlusal head portion of the tooth.
(4) If there is no increase in the Δ area, Occlusal Contact time, and interference time ratio from the adjusted record, it can be used as a measure of completion of adjustment.

Occlusal pressure measurement / occlusion adjustment system configuration diagram External perspective view with sensor support opening opened and sensor sheet inserted External perspective view when the sensor support is opened External perspective view with sensor support opening closed and XY coordinate scale as plane Plan view with engraved and printed grid-like XY coordinates and scale division numbers and symbols when the sensor support opening is closed Plan view of transparent scale board with XY coordinates for placement Top view of a transparent scale board overlaid on the sensor support Top view with the sealant applied on the occlusal part of the sensor support Tooth adhesion diagram of sealant Diagram of dentition data remaining on the sensor sheet Occlusal pressure data displayed on the display

Explanation of symbols

1: Dental occlusal pressure measuring device 2: Sensor sheet 2 ': Insertion center guide 3: Sensor connector 3': Insertion sensor sheet pressing lever 4: Parallel interface module 5: Power adapter 6: Computer 7: Display 8: Printer 9: Sensor support 9 ': Sensor support opening 10: XY coordinates 11 on the sensor sheet side 11: Scale division number 12: XY coordinates 13 on the screen 13: Signal line 14: Application spray container 15: Marking material 16: Subject 17: Teeth Row 18: Application area 19: Upper jaw 20: Lower jaw 21: Teeth row data 22: Occlusal pressure data 23: Transparent scale panel 24: XY coordinates 24: Short tube 25: Lid piece 26: Opening / closing fulcrum 27: Inner packing plate 28: Upper surface Packing plate

Claims (8)

A dental occlusal pressure measuring tool used in a dental occlusal pressure measurement / occlusion adjustment system including a process of displaying and recording real-time pressure values as images and / or data from sensing points of a dental occlusal pressure measurement sensor sheet There,
An occlusal pressure measurement sensor sheet having a pressing position detection signal output function and a U-shaped thin plate sensor sheet support that detachably supports the sensor sheet, and a sealant material is coated on the occlusal pressure measurement sensor sheet surface. The occlusal dental occlusion is characterized in that the surface of the U-shaped sheet sensor sheet support is engraved or printed with a grid-like XY coordinate scale and numbers / symbols indicating the divisions. Pressure measuring tool.   One end edge of the lower long side of the rectangular short tube is horizontally joined to the base of the sensor support, and a lid piece pivots on one end edge of the upper long side of the short tube. 2. A dental occlusal pressure measuring device according to claim 1, wherein a packing plate is provided on the inner surface of the lower end of the lid piece and the upper surface of one end edge of the long side below the short tube. .   2. The dental occlusal pressure measuring instrument according to claim 1, wherein the dental occlusal pressure measuring sensor sheet recording data obtained by biting the dental occlusal pressure measuring sensor sheet is superposed on the upper surface of the U-shaped thin plate sensor sheet support. A transparent scale board printed with a grid-like XY coordinate scale and numbers / symbols indicating the division. (1) An occlusal pressure measurement sensor sheet having a pressing position detection signal output function and a U-shaped thin plate sensor sheet support that detachably supports the sensor sheet, and the occlusal pressure measurement sensor sheet surface is marked Dental occlusal pressure measurement, which is coated with material and engraved or printed on the surface of the U-shaped thin sheet sensor sheet support with XY coordinate scales and numbers / symbols indicating the divisions. Tools,
(2) a parallel interface module that accepts a digital signal converted from electrical resistance output from each pressure detection point of the sensor sheet;
(3) a central processing unit (CPU) for analyzing a pressed position detection signal output from the occlusal pressure measurement sensor sheet;
(4) Dental occlusal pressure measurement comprising: a display that displays an occlusal pressure value obtained from a CPU that analyzes a pressed position detection signal output from the occlusal pressure measurement sensor sheet as an image or / and data.・ Occlusal adjustment system. (1) An occlusal pressure measurement sensor sheet having a pressing position detection signal output function and a U-shaped thin plate sensor sheet support that detachably supports the sensor sheet, and the occlusal pressure measurement sensor sheet surface is marked Dental occlusal pressure measurement, which is coated with material and engraved or printed on the surface of the U-shaped thin sheet sensor sheet support with XY coordinate scales and numbers / symbols indicating the divisions. Tools,
(2) a parallel interface module that accepts a digital signal converted from electrical resistance output from each pressure detection point of the sensor sheet;
(3) a central processing unit (CPU) for analyzing a pressed position detection signal output from the occlusal pressure measurement sensor sheet;
(4) a display for displaying an occlusal pressure value obtained from a CPU that analyzes a pressed position detection signal output from the occlusal pressure measurement sensor sheet, as an image or / and data;
(5) The sensor sheet on which the recording data obtained by biting the dental occlusal pressure measuring sensor sheet of the dental occlusal pressure measuring device according to (1) above is superimposed on the upper surface of the U-shaped thin plate sensor sheet support. A transparent scale board printed with a grid-like XY coordinate scale and numbers / symbols indicating the division,
A dental occlusal pressure measurement and occlusal adjustment system characterized by comprising: (1) By biting the occlusal pressure measuring sensor sheet to which the above-mentioned marking material is applied, the marking material is marked on the occlusal surface of the tooth, and the portion marked on the tooth is peeled off at the occlusal portion of the sensor sheet. The dentition of the tooth profile is displayed and
(2) The position of the tooth profile is specified by a number / symbol indicating the scale division of the XY coordinates,
(3) The position of the pattern indicating the occlusal pressure data of each tooth is specified by the numbers and symbols indicating the scale divisions of the XY coordinates displayed on the display device,
(4) The tooth indicating the occlusal pressure data can be positioned by visually comparing both the sensor sheet and the display screen and confirming the corresponding position on the coordinates. Or the occlusal pressure measurement and occlusal adjustment system of any one of 5 or 5. The tooth profile on the sensor sheet on which the XY coordinates are scaled and the image occlusion pressure data of the display, and the marking data remaining on the tooth,
The occlusal pressure measurement / occlusion adjustment system according to claim 6, wherein an adjustment point of a tooth requiring adjustment can be confirmed and treated. The marking material applied to the sensor sheet is applied by spraying, is quick-drying, and easily peels off at the time of occlusion and adheres to the occlusal surface of a tooth. The dental occlusal pressure measuring instrument according to 1 or 2.

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