CN218338545U - Tooth measuring equipment and tooth model acquisition system - Google Patents
Tooth measuring equipment and tooth model acquisition system Download PDFInfo
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- CN218338545U CN218338545U CN202220973175.0U CN202220973175U CN218338545U CN 218338545 U CN218338545 U CN 218338545U CN 202220973175 U CN202220973175 U CN 202220973175U CN 218338545 U CN218338545 U CN 218338545U
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Abstract
The utility model discloses a tooth measuring equipment, tooth model acquisition system, tooth measuring equipment includes U type groove, and multiunit infrared emission receiving assembly is installed to U type groove both sides. After a user sleeves the teeth in the U-shaped groove of the tooth measuring equipment, the infrared transmitting and receiving assembly transmits infrared rays, and the infrared rays are reflected by the teeth and then received by the corresponding infrared transmitting and receiving assembly for processing so as to obtain three-dimensional model data of the teeth of the user. This tooth measuring equipment easy operation, user's own operation can acquire the three-dimensional model of tooth, and this tooth measuring equipment adopts infrared measurement principle simultaneously, and its calculation is simple, and equipment cost is lower.
Description
Technical Field
The utility model relates to an oral cavity medical appliances field, concretely relates to tooth measuring equipment, tooth model acquisition system.
Background
With the progress of the times and the development of the society, people pay more attention to the problems of the oral cavity and have greater demands on the medical treatment of the oral cavity such as tooth correction, tooth inlay and the like. Most of these treatments require the acquisition of three-dimensional tooth models to assist.
In the prior art, the acquisition mode of the tooth three-dimensional model mainly comprises CT scanning, a handheld oral cavity scanner, scanning of a plaster tooth model through an in-vitro scanner and the like. The above-mentioned mode of obtaining the three-dimensional tooth model all needs the user to go to the hospital and detects, causes certain inconvenience for the user. Meanwhile, the equipment such as the CT, the handheld oral scanner, the in-vitro scanner and the like is expensive, the scanning process is complicated, the data processing is complex and the time is long.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a tooth measuring equipment, tooth model acquisition system, the user can hold the tooth to U type inslot, and the infrared ray that returns after the infrared emission receiving component transmission through U type inslot is handled and is obtained the three-dimensional model of tooth, and this equipment cost is low, convenient operation.
In a first aspect, an embodiment of the present invention provides a tooth measuring device, which includes:
the device body is provided with a U-shaped groove, and the U-shaped groove is matched with the dental arch in shape;
and the plurality of groups of infrared transmitting and receiving assemblies are respectively connected with the lingual side wall and the labial side wall of the U-shaped groove so as to measure and acquire lingual side data and labial side data of the tooth to form a tooth three-dimensional model.
Further, each group of infrared transmitting and receiving components comprises an infrared transmitting device and an infrared receiving device which are in signal connection.
Furthermore, the plurality of groups of infrared transmitting and receiving assemblies are respectively arranged corresponding to the teeth at the corresponding positions of the user, and the lingual side and the labial side of each tooth are at least correspondingly provided with one group of infrared transmitting and receiving assemblies.
Further, the tooth measuring device also comprises a processor arranged in the device body, and the processor is electrically connected with the infrared transmitting and receiving component to acquire tooth surface data of the tooth and process the data to form a tooth three-dimensional model.
Further, the tooth measuring equipment also comprises a signal transceiver device which is electrically connected with the processor and is used for transmitting the tooth three-dimensional model to the outside.
Further, the signal transceiver is a wireless or wired transmission device.
Furthermore, the tongue side wall and the lip side wall of the U-shaped groove are provided with a plurality of grooves, and the infrared transmitting and receiving assemblies are arranged in the corresponding grooves.
Further, the tooth measuring equipment also comprises a stabilizing device used for fixing the equipment body and the teeth of the user relatively, and the stabilizing device is arranged on the U-shaped groove.
In a second aspect, embodiments of the present invention provide a tooth model acquisition system, which includes:
two dental measurement apparatus as described in the first aspect, the U-shaped groove of one of the dental measurement apparatus matches the shape of an upper arch, and the U-shaped groove of the other dental measurement apparatus matches the shape of a lower arch.
The embodiment of the utility model provides a tooth measuring equipment, tooth model acquisition system. The tooth measuring equipment comprises a U-shaped groove and a plurality of groups of infrared transmitting and receiving assemblies. Each group of infrared transmitting and receiving components comprises an infrared transmitting device and an infrared receiving device which are in signal connection. The infrared transmitting and receiving components transmit infrared rays, and the infrared rays are reflected by teeth and then received by the corresponding infrared transmitting and receiving components. The processor simply processes the data to obtain three-dimensional model data of the user's teeth. The tooth measuring equipment is simple to operate, a user can obtain the tooth three-dimensional model by self operation, and meanwhile, the tooth measuring equipment adopts an infrared measuring principle, is simple to calculate and is low in equipment cost.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 is a perspective view of a dental measuring device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a dental measuring device according to an embodiment of the present invention;
fig. 3 is a schematic view of a tooth measuring device according to an embodiment of the present invention.
Description of reference numerals:
1-an equipment body; 2-U-shaped groove; 3-an infrared transmitting and receiving component; 31-an infrared emitting device; 32-an infrared receiving device; 4-tooth body; 5-infrared ray.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Meanwhile, it should be understood that, in the following description, the "circuit" refers to a conductive loop constituted by at least one element or sub-circuit through electrical connection or electromagnetic connection. When an element or circuit is referred to as being "connected to" another element or element/circuit is referred to as being "connected between" two nodes, it may be directly coupled or connected to the other element or intervening elements may be present, and the connection between the elements may be physical, logical, or a combination thereof. In contrast, when an element is referred to as being "directly coupled" or "directly connected" to another element, it is intended that the two be absent intermediate elements.
Unless the context clearly requires otherwise, throughout the description, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Fig. 1 is a perspective view of a tooth measuring apparatus according to an embodiment of the present invention, the tooth measuring apparatus includes an apparatus body 1 and a plurality of infrared transmitting/receiving assemblies 3. The device body 1 is provided with a U-shaped groove 2, as shown in fig. 1. U type groove 2 and user's upper dental arch or lower dental arch shape phase-match to make tooth measuring equipment better laminates user's tooth, promotes and detects the precision. The multiple groups of infrared transmitting and receiving assemblies 3 are respectively connected to the lingual side wall and the labial side wall of the U-shaped groove 2 so as to measure and acquire lingual side data and labial side data of teeth to form a tooth three-dimensional model.
Preferably, the device body 1 can be designed to have the same shape as the dental arch of a user, so that the volume of the dental measuring device can be reduced as much as possible, and the dental measuring device can be placed in the oral cavity conveniently.
In this embodiment, each set of the infrared transmitting and receiving components 3 includes an infrared transmitting device 31 and an infrared receiving device 32 which are in signal connection. The infrared emitting device 31 comprises a keyboard matrix, a code modulator and an LED infrared transmitter, and is used for emitting infrared rays to the corresponding tooth surface. The infrared receiving device 32 includes an infrared monitoring diode, an amplifier, an amplitude limiter, a band-pass filter, an integrating circuit, a comparator, etc., and is used for receiving the infrared rays reflected by the tooth surface.
In this embodiment, the plurality of sets of infrared transceiver components 3 are respectively disposed corresponding to the teeth at the corresponding positions of the user, and at least one set of infrared transceiver components 3 is disposed corresponding to the lingual side and the labial side of each tooth, so as to ensure that the acquired infrared data covers each tooth.
In this embodiment, the infrared emitting and receiving assemblies 3 record the time difference of the infrared rays reflected back after being emitted to the surface of the object, the processor calculates the depth value of the tooth surface according to the time difference, and the single-side tooth three-dimensional model can be obtained by combining the multiple sets of depth values. Because the infrared transmitting and receiving assemblies 3 are fixed at the fixed positions of the U-shaped grooves, the distance between the infrared transmitting and receiving assemblies 3 corresponding to the lingual side of the teeth and the distance between the infrared transmitting and receiving assemblies 3 corresponding to the labial side of the teeth are constant, and the processor can calculate the thickness of the teeth according to the known distance between the two infrared transmitting and receiving assemblies 3 and the tooth depth value so as to combine the single-side tooth three-dimensional model and obtain a complete tooth three-dimensional model.
In some embodiments, the tooth measurement device measurement principle is based on the infrared speckle principle, and the processor calculates the tooth surface depth value through the deformation record of the infrared light spot received by the infrared emission and reception component 3. The specific method comprises the following steps: before the tooth measuring equipment is put into use, a reference plane is taken at intervals, infrared rays are emitted to the reference plane by the infrared emission device 31, the reflected infrared speckle patterns are recorded by the infrared receiving device 32, and the operation is repeated until the infrared speckle patterns in the whole space are recorded. When the user uses tooth measuring equipment measures, infrared emission device 31 is to corresponding tooth plane transmission infrared ray, infrared receiving device 32 notes the infrared speckle pattern of reflection, and the treater will obtain infrared speckle image and the reference image that saves statistics in proper order, and when having the tooth that awaits measuring in the infrared ray within range, the speckle pattern will change, and statistics these changes just can obtain the spatial position that waits to scan the tooth and locate to obtain unilateral tooth three-dimensional model. The infrared transmitting and receiving components 3 on the two sides of the teeth work simultaneously, and the tooth thickness can be obtained by reverse pushing according to the self position information, so that a complete tooth three-dimensional model is synthesized.
Preferably, only one set of the infrared transmission and reception members 3 is required for the thin-shaped incisor side. For molars and canine teeth with complex shapes, two or more sets of infrared transmitting and receiving assemblies 3 can be installed on a single-side tooth surface, or the number of the infrared transmitting devices 31 and the number of the infrared receiving devices 32 in one set of the infrared transmitting and receiving assemblies 3 are increased, so that shape data of corresponding teeth can be obtained more comprehensively.
In this embodiment, the tooth measuring device further comprises a processor disposed in the device body 1 and electrically connected to the infrared transmitting and receiving component 3 to obtain tooth surface data of the tooth and calculate a three-dimensional model of the tooth.
In this embodiment, the tooth measuring apparatus further comprises a signal transceiver electrically connected to the processor, and the signal transceiver is configured to transmit the three-dimensional tooth model to the outside. The external part includes but is not limited to cell-phone APP, computer and 3D printer. Cell-phone APP and computer can calculate the tooth three-dimensional model that receives through built-in procedure, reachs user's tooth condition and recommended treatment, and the 3D printer can print out the tooth three-dimensional model.
In this embodiment, the signal transceiver is a wireless or wired transmission device. The wireless signal transmission equipment can adopt Bluetooth, a wireless network and the like, and the wired transmission equipment can adopt a fixed or pluggable data line. The selection of the transmitting device may be decided according to the usage scenario.
Preferably, the signal transceiver may include both a wireless transmission device and a wired transmission device, so as to facilitate a user to obtain data.
In this embodiment, the tongue side wall and the lip side wall of the U-shaped groove 2 are provided with a plurality of grooves, and the plurality of sets of the infrared transmitting and receiving assemblies 3 are arranged in the corresponding grooves. The groove structure can effectively protect the teeth of the user and the infrared emission and reception component 3 from mutual collision in the process that the user wears the tooth measuring equipment.
In this embodiment, the tooth measuring device further comprises a stabilizing device, wherein the stabilizing device is arranged on the U-shaped groove 2 and is used for fixing the device body 1 and the teeth of the user relatively, so that accurate tooth data can be obtained.
In some embodiments, the stabilizing device may be a soft bottom installed at the inner and outer bottoms of the U-shaped groove 2, so that the user can conveniently bite the tooth measuring device to fix the teeth of the user relative to the tooth measuring device during the measuring process.
In some embodiments, the stabilizing device may be a silicone pad or other material that can rub against the gums of the user at the upper edge of the side wall of the U-shaped slot, so that the teeth of the user are relatively fixed to the tooth measuring device during the measurement process.
The embodiment of the utility model provides a tooth model acquisition system is still provided, tooth model acquisition system includes:
two tooth measuring devices as described above, the U-shaped groove 2 of one tooth measuring device matching the shape of the upper arch of teeth, and the U-shaped groove 2 of the other tooth measuring device matching the shape of the lower arch of teeth. Therefore, the two tooth measuring devices respectively and accurately measure the upper teeth and the lower teeth of the user, and the complete three-dimensional model of the teeth of the user can be obtained after data are spliced.
The embodiment of the utility model discloses tooth measuring equipment, a tooth model acquisition system. The tooth measuring equipment comprises the U-shaped groove 2, a plurality of groups of infrared transmitting and receiving assemblies 3, the processor and the signal receiving and transmitting device. Each set of the infrared transmitting and receiving components 3 comprises an infrared transmitting device 31 and an infrared receiving device 32 which are in signal connection. The tooth measuring equipment acquires the infrared reflection data of the corresponding tooth through the cooperation of the infrared transmitting device 31 and the infrared receiving device 32. The processor calculates the data to obtain the tooth three-dimensional model of the user and transmits the tooth three-dimensional model through the signal receiving and transmitting device, so that the user can simply and rapidly obtain the tooth three-dimensional model of the user, and further tooth treatment is facilitated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A dental measurement device, characterized in that it comprises:
the tooth arch forming machine comprises an equipment body (1) and a tooth arch forming mechanism, wherein the equipment body is provided with a U-shaped groove (2), and the U-shaped groove (2) is matched with the shape of a dental arch;
and the multiple groups of infrared transmitting and receiving components (3) are respectively connected to the lingual side wall and the labial side wall of the U-shaped groove (2) so as to measure and acquire lingual side data and labial side data of corresponding teeth to form a tooth three-dimensional model.
2. A dental measuring device according to claim 1, characterized in that each set of said infrared emitting and receiving assemblies (3) comprises infrared emitting means (31) and infrared receiving means (32) in signal connection.
3. A dental measuring apparatus according to claim 1 or 2, characterized in that a plurality of sets of said ir transmitting and receiving components (3) are respectively provided corresponding to the teeth of the corresponding position of the user, and at least one set of said ir transmitting and receiving components (3) is provided on each of lingual side and labial side of the teeth.
4. A dental measuring device according to claim 1, further comprising a processor disposed within the device body (1) and electrically connected to the infrared transmission and reception assembly (3) for acquiring tooth surface data of the tooth and processing the data to form a three-dimensional model of the tooth.
5. A dental measuring device as claimed in claim 4, further comprising a signal transceiving means electrically connected to the processor for transmitting the three-dimensional model of the tooth to the outside.
6. A dental measuring device as claimed in claim 5, characterized in that the signal transceiving means is a wireless or wired transmission means.
7. A dental measuring device according to claim 1, characterized in that the lingual and labial lateral walls of the U-shaped groove (2) are provided with a plurality of grooves, and a plurality of sets of said infrared emission-receiving assemblies (3) are provided in the corresponding said grooves.
8. A dental measuring device according to claim 1, characterized in that it further comprises stabilizing means for fixing the device body (1) relative to the user's teeth, said stabilizing means being provided on the U-shaped groove (2).
9. A dental model acquisition system, comprising:
two dental measuring devices according to any one of claims 1-8, the U-shaped recess (2) of one of the dental measuring devices matching the shape of an upper arch of teeth and the U-shaped recess (2) of the other dental measuring device matching the shape of a lower arch of teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220973175.0U CN218338545U (en) | 2022-04-25 | 2022-04-25 | Tooth measuring equipment and tooth model acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220973175.0U CN218338545U (en) | 2022-04-25 | 2022-04-25 | Tooth measuring equipment and tooth model acquisition system |
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| Publication Number | Publication Date |
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| CN218338545U true CN218338545U (en) | 2023-01-20 |
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| CN202220973175.0U Active CN218338545U (en) | 2022-04-25 | 2022-04-25 | Tooth measuring equipment and tooth model acquisition system |
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| CN (1) | CN218338545U (en) |
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- 2022-04-25 CN CN202220973175.0U patent/CN218338545U/en active Active
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