CN213283527U - Tracing device for dentition movement track - Google Patents
Tracing device for dentition movement track Download PDFInfo
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- CN213283527U CN213283527U CN202021415882.5U CN202021415882U CN213283527U CN 213283527 U CN213283527 U CN 213283527U CN 202021415882 U CN202021415882 U CN 202021415882U CN 213283527 U CN213283527 U CN 213283527U
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Abstract
The utility model provides a tracer of dentition movement track, including outside guide bar, connecting rod and the tooth face fixed plate that is used for laminating upper jaw tooth or lower jaw tooth lip side tooth face, the connecting rod is located between tooth face fixed plate and the outside guide bar, and the both ends of connecting rod are connected tooth face fixed plate and outside guide bar respectively, and the outside guide bar adopts the arc. This kind of tracer of dentition motion trail can be with the dentition motion trail tracer in the oral cavity outside the mouth, realizes carrying out accurate audio-visual observation to the true motion condition of patient's dentition, has overcome the unable direct observation's of dentition motion trail defect. Installation convenient operation, and the flank fixed plate only installs in tooth lip side flank, does not have the influence to the interlock relation, the error that causes when can avoiding the interlock to realize the purpose that reduces the error, solved and be difficult to the problem of the motion of accurate demonstration dentition.
Description
Technical Field
The utility model relates to a tracer of dentition movement track.
Background
Dentition movement plays an important role in clinical diagnosis, formulation of a corresponding treatment scheme and the like. The existing dentition movement is mainly carried out by direct observation, inspection equipment and the like. In which it is often difficult to simultaneously observe the movement of the labial-palatal (lingual) sides of the teeth by direct observation. Most of the existing dentition motion inspection equipment can only obtain motion track images of each point of dentition, is not visual enough, is not easy to wear, and is difficult to realize better accuracy.
For example, chinese patent application CN 201710139518.7 discloses a temporomandibular joint movement reconstruction method and system, wherein a retainer is worn on a tooth, the retainer is a round wire cemented by the retainer after polishing, the retainer is not easy to wear, the wearing of the retainer on the tooth affects the occlusion relation, the movement trace is rendered with errors, and the contact area between the retainer and the tooth is limited, and the retainer and the tooth are easy to fall off.
The above problems are the ones that should be considered and solved in the design and production process of the tracer for the trajectory of the dentition.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tracer device of dentition movement track solves being difficult for wearing that exists among the prior art, influences the interlock relation when wearing on the tooth, is difficult to the problem of direct accurate observation dentition movement track.
The technical solution of the utility model is that:
the utility model provides a spike device of dentition movement track, includes outside guide bar, connecting rod and is used for laminating the tooth face fixed plate of upper jaw tooth or lower jaw tooth labial surface of teeth, and the connecting rod is located between tooth face fixed plate and the outside guide bar, and tooth face fixed plate and outside guide bar are connected respectively to the both ends of connecting rod, and the outside guide bar adopts the arc.
Further, the tooth surface fixing plate comprises a fixed left part, a fixed middle part and a fixed right part, the two ends of the fixed middle part are respectively connected with the fixed left part and the fixed right part, and the fixed left part, the fixed middle part and the fixed right part form a U shape together.
Further, the tooth surface fixing plate is bonded to the labial tooth surface of the upper or lower teeth by an adhesive, and the tooth surface fixing plate does not cover the occlusal surface of the upper or lower teeth.
Furthermore, the fixed middle part is attached to the anterior labial tooth surface, and the fixed left part and the fixed right part are respectively attached to the molar labial tooth surfaces on the two sides.
Furthermore, the tooth surface fixing plate adopts a grid-shaped structure.
Further, the tooth surface fixing plate, the connecting rod and the outer side indicating rod are integrally formed by 3D printing through photosensitive resin materials.
Furthermore, the outside indicating rod is provided with a plurality of indicating mark points.
Furthermore, the two ends of the connecting rod are respectively connected with the middle part of the tooth surface fixing plate and the middle part of the outer indicating rod, and the indicating mark points are symmetrically arranged on the outer indicating rod.
The utility model has the advantages that: this kind of tracer of dentition motion trail can be with the dentition motion trail tracer in the oral cavity outside the mouth, realizes carrying out accurate audio-visual observation to the true motion condition of patient's dentition, has overcome the unable direct observation's of dentition motion trail defect. This kind of spike device of dentition movement track, installation convenient operation, and the facing fixed plate only installs in tooth lip side facing, does not have the influence to the interlock relation, the error that causes when can avoiding the interlock to realize the purpose that reduces the error, solved the problem that is difficult to the motion of accurate demonstration dentition.
Drawings
Fig. 1 is a schematic structural diagram of a tracing device for dentition movement tracks according to an embodiment of the present invention;
FIG. 2 is another schematic view of the tracing device for tracing the movement trace of dentition according to the embodiment;
FIG. 3 is a schematic structural diagram of the tracing device for the dentition movement locus attached to the labial surface of the lower jaw teeth in the embodiment;
wherein: 1-outer indicating rod, 2-connecting rod, 3-tooth surface fixing plate, 4-indicating mark point, 5-lower jaw tooth;
31-fixed left, 32-fixed middle, 33-fixed right.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
The utility model provides a tracer of dentition movement track, like figure 1 and figure 2, including outside guide bar 1, connecting rod 2 and the tooth face fixed plate 3 that is used for laminating 5 labial surfaces of upper jaw tooth or lower jaw tooth, connecting rod 2 is located between tooth face fixed plate 3 and the outside guide bar 1, and tooth face fixed plate 3 and outside guide bar 1 are connected respectively to the both ends of connecting rod 2, and outside guide bar 1 adopts the arc.
This kind of tracer of dentition motion trail can be with the dentition motion trail tracer in the oral cavity outside the mouth, realizes carrying out accurate audio-visual observation to the true motion condition of patient's dentition, has overcome the unable direct observation's of dentition motion trail defect. This kind of spike device of dentition movement track, installation convenient operation, and 3 only install in tooth lip side tooth faces of tooth face fixed plate, do not have the influence to the interlock relation, the error that causes when can avoiding the interlock to realize the purpose that reduces the error, solved the problem that is difficult to the motion of accurate demonstration dentition.
This kind of tracer of dentition movement track, like figure 3, through 5 labial surfaces of upper jaw tooth or lower jaw tooth of modes such as bonding with dentition fixed plate 3, outside guide bar 1 sets up in the oral cavity outside, when the dentition moves, drives the movement of dentition fixed plate 3, and then drives outside guide bar 1 by connecting rod 2 and moves, realizes the tracer to dentition movement track, the direct observation dentition movement track of being convenient for to can guarantee better accuracy.
In this kind of tracer of dentition movement track, as fig. 3, the dentition fixing plate 3 includes fixed left portion 31, fixed middle part 32 and fixed right part 33, and fixed left portion 31 and fixed right part 33 are connected respectively to the both ends of fixed middle part 32, and fixed left portion 31, fixed middle part 32 and fixed right part 33 form the U-shaped jointly. The labial tooth surfaces of the left molar, the anterior molar and the right molar of the mandibular teeth 5 are respectively attached through the fixed left part 31, the fixed middle part 32 and the fixed right part 33, so that the contact area is large, the fixation is stable, the drop is not easy, and the tracing accuracy is ensured.
In this kind of tracer of dentition movement track, the bonding of tooth face fixed plate 3 passes through the adhesive and bonds in the labial tooth face of upper jaw tooth or lower jaw tooth 5, and tooth face fixed plate 3 does not cover the occlusal surface of upper jaw tooth and lower jaw tooth 5, avoids disturbing the occlusal surface. In the tracing device for the dentition movement track, the dentition fixing plate 3 is bonded with the dentition through the adhesive, the adhesive is preferably made of materials such as temporary crown resin and glass ions, the removal is convenient, the bonding materials do not need to be ground after the dentition movement is collected, and the tracing device does not have wound on the tooth body.
This kind of tracer of dentition movement track, fixed middle part 32 laminating anterior labial tooth side, fixed left part 31 and fixed right part 33 laminate the molar labial tooth side of both sides respectively. In the use, only cover tooth labial tooth face, can reduce patient's foreign matter by a wide margin and feel, improve the comfort level. The tooth surface fixing plate 3 preferably adopts a grid structure, so that the bonding area can be increased, the retention force is improved, and the accuracy and the stability of dentition motion trail acquisition are ensured.
Among this kind of spike device of dentition movement track, flank fixed plate 3, connecting rod 2 and outside indicating rod 1 preferably adopt photosensitive resin material to print integrated into one piece by 3D, and it is more convenient to make, and more suits and individualized suitable for with the individual dentition condition, and then more accurate with the dentition laminating to when gathering the dentition motion, do not disturb the occlusal surface, make the occlusal surface direct contact of upper and lower dentition, guarantee the accuracy of movement track spike.
In the tracing device for the dentition movement track, the optimal middle part of the dentition fixing plate 3 is rigidly connected with the inner tail end of the connecting rod 2, and the optimal outer tail end of the connecting rod 2 is rigidly connected with the middle part of the outer indicating rod 1. The connecting rod 2 is preferably 5cm, the outer side indicating rod 1 is preferably 15cm long, and the outer side indicating rod 1 is preferably a cuboid with a square side length of 3-4 mm. The outer indicating rod 1 is preferably arranged convexly away from the connecting rod 2. The outer indicating rod 1 is provided with a plurality of indicating mark points 4, preferably 8, which are symmetrically distributed.
This kind of tracer of dentition movement track is convenient for carry out direct observation to can shift the motion of dentition and trail outside the lip, make the collection based on optical acquisition equipment's motion acquisition system to the dentition motion become possible, the movement track of its collection can combine 3D digital dentition model to construct the digital movement system of dentition, let the doctor more audio-visual observation the true motion condition of patient dentition, the interlock condition, thereby help closing the diagnosis and treatment of relevant diseases such as wound, anti-close, closure.
The use process of the tracing device for the dentition motion trail is explained as follows: firstly, an intraoral dentition is scanned by an intraoral scanner, three-dimensional data of an oral cavity of a patient is obtained, a dentition fixing plate 3 matched with a lower jaw dentition is designed through a three-dimensional digital dentition model of the patient, and the dentition fixing plate 3 is printed in a 3D mode. Then, the temporary crown resin or the glass ion or other bonding agent is coated on the tooth surface fixing plate 3 and is bonded to the neck of the labial tooth surface of the mandibular tooth 5, and the situation that occlusion of a patient is not affected after the tooth surface fixing plate 3 is bonded is ensured, and the bonding is kept firm. Furthermore, after the patient wears the tracing device of the dentition motion trail, the optical acquisition equipment can be used for acquiring the motion of the opening and closing mouth of the patient, namely slowly opening the mouth to the maximum and slowly closing the mouth, and the relaxation of lip muscles is ensured when the mouth is closed; the movement track of the indicator mark point 4 is acquired in combination with an optical tracking technique. After the process of collecting the mandible movement of the patient is completed, the tracing device for removing the dentition movement track is slightly shaken in the vertical direction, and a curette and the like are used for removing residual adhesive on the surface of the teeth.
Claims (8)
1. A tracer of dentition motion trail, which is characterized in that: including outside guide bar, connecting rod and the tooth face fixed plate that is used for laminating upper jaw tooth or lower jaw tooth lip side tooth face, the connecting rod is located between tooth face fixed plate and the outside guide bar, and tooth face fixed plate and outside guide bar are connected respectively to the both ends of connecting rod, and the outside guide bar adopts the arc.
2. A tracing device for tracing the movement trace of dentition as claimed in claim 1, wherein: the tooth surface fixing plate comprises a fixed left part, a fixed middle part and a fixed right part, wherein the two ends of the fixed middle part are respectively connected with the fixed left part and the fixed right part, and the fixed left part, the fixed middle part and the fixed right part form a U shape together.
3. A tracing device for tracing the movement trace of dentition as claimed in claim 2, wherein: the tooth surface fixing plate is bonded on the labial tooth surface of the upper jaw tooth or the lower jaw tooth through an adhesive, and the tooth surface fixing plate does not cover the occlusal surface of the upper jaw tooth and the lower jaw tooth.
4. A tracing device for tracing the movement trace of dentition as claimed in claim 3, wherein: the fixed middle part is attached to the anterior labial tooth surface, and the fixed left part and the fixed right part are respectively attached to the molar labial tooth surfaces on the two sides.
5. A tracer according to any of claims 1-4, wherein: the tooth surface fixing plate adopts a grid structure.
6. A tracer according to any of claims 1-4, wherein: the tooth surface fixing plate, the connecting rod and the outer side indicating rod are integrally formed by 3D printing through photosensitive resin materials.
7. A tracer according to any of claims 1-4, wherein: the outside indicating rod is provided with a plurality of indicating mark points.
8. A tracing device for tracing the movement trace of dentition as claimed in claim 7 wherein: the middle part of tooth face fixed plate and the middle part of outside indicator lever are connected respectively to the both ends of connecting rod, and the pilot mark point sets up on the outside indicator lever symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021415882.5U CN213283527U (en) | 2020-07-17 | 2020-07-17 | Tracing device for dentition movement track |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021415882.5U CN213283527U (en) | 2020-07-17 | 2020-07-17 | Tracing device for dentition movement track |
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| CN213283527U true CN213283527U (en) | 2021-05-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210137664A1 (en) * | 2018-11-14 | 2021-05-13 | Nan Jing Ningdong Digital Technology Co., Ltd. | Dentition movement track indicator and tracing method |
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- 2020-07-17 CN CN202021415882.5U patent/CN213283527U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210137664A1 (en) * | 2018-11-14 | 2021-05-13 | Nan Jing Ningdong Digital Technology Co., Ltd. | Dentition movement track indicator and tracing method |
| US11844662B2 (en) * | 2018-11-14 | 2023-12-19 | Nan Jing Ningdong Digital Technology Co., Ltd. | Dentition movement track indicator and manufacturing method of intra-oral fixation assembly thereof |
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