Auxiliary device for edentulous jaw oral cavity scanning

Abstract

The utility model provides an auxiliary device for edentulous jaw oral cavity scanning, and the device comprises a positioning substrate which is provided with an oral cavity positioning part; the biteplate is arranged on the positioning base plate and comprises an inner biteplate body, an outer biteplate body and a biteplate part, the inner biteplate body is connected to the inner side of the outer biteplate body, the biteplate part extends towards the side, away from the positioning base plate, of the inner biteplate body, and the biteplate part is connected between the inner biteplate body and the outer biteplate body. Through the technical scheme provided by the invention, the problem that a scanner in the related technology cannot obtain an accurate occlusion relationship of teeth can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of dental implants, in particular to an auxiliary device for scanning an edentulous jaw oral cavity. Background Art

[0002] Teeth are the main tool for humans to chew food. Damage to teeth can lead to loss of chewing function, difficulty in breaking food, and seriously reduce the quality of life. Dental implants are a means of dental treatment used to replace missing teeth. Dental implants mainly include implants and temporary dentures. Implants, also known as artificial tooth roots, are implanted in the maxillary or mandibular part of the human body where the teeth are missing. After the surgical wound heals, the temporary denture is connected to the implant. Its main function is to assume temporary functions, aesthetics, and protection, which is conducive to the smooth placement of the final restoration and the reshaping of the gingival soft tissue with the help of the temporary restoration.

[0003] With the development of digital technology, digital oral scanning technology is rapidly applied in the dental implant industry. By wearing a scanning rod directly on the implant in the mouth, the scanning rod instrument is used to directly scan the data in the patient's mouth. However, since the oral mucosa is soft and movable, the above method cannot obtain the accurate occlusion relationship of the patient's teeth. Utility Model Content

[0004] The utility model provides an auxiliary device for scanning an edentulous oral cavity, so as to solve the problem that a scanner in the related art cannot obtain the accurate occlusal relationship of teeth.

[0005] The utility model provides an auxiliary device for scanning an edentulous oral cavity, the auxiliary device for scanning an edentulous oral cavity comprises: a positioning substrate, which has an oral positioning portion; a bite plate, which is arranged on the positioning substrate, the bite plate comprises an inner bite plate, an outer bite plate and a bite portion, the inner bite plate is connected to the inner side of the outer bite plate, the bite portion extends toward a side of the inner bite plate away from the positioning substrate, and the bite portion is connected between the inner bite plate and the outer bite plate.

[0006] Furthermore, a first connection portion is provided on the positioning substrate, and a second connection portion is provided on the inner bite plate and / or the outer bite plate, and the first connection portion and the second connection portion are detachably connected.

[0007] Furthermore, the first connection parts and the second connection parts are both arranged in a one-to-one correspondence, part of the second connection parts are connected to the inner wall of the inner bite plate, and the rest of the second connection parts are connected to the outer wall of the outer bite plate.

[0008] Further, the first connecting part includes a first magnet, and the second connecting part includes a second magnet that can be magnetically matched with the first magnet.

[0009] Furthermore, one of the first connection part and the second connection part is a clamping column, and the other of the first connection part and the second connection part is a clamping tube, the clamping tube has a plurality of open grooves spaced along its circumference, and the clamping column is inserted into the clamping tube.

[0010] Furthermore, one of the first connection part and the second connection part is a plug-in column, and the other of the first connection part and the second connection part is a plug-in tube. The outer diameter of the plug-in column gradually decreases in the direction approaching the plug-in tube, and the plug-in column is inserted in the plug-in tube.

[0011] Furthermore, the bite plate also includes two bite connection plates, the inner bite plate and the outer bite plate are both arc-shaped plates, and the end of the inner bite plate is connected to the corresponding end of the outer bite plate through the bite connection plate.

[0012] Furthermore, the positioning substrate includes an inner positioning plate, an outer positioning plate and two positioning connecting plates. The inner positioning plate is located on the inner side of the outer positioning plate. Both the inner positioning plate and the outer positioning plate are arc-shaped plates. The end of the inner positioning plate is connected to the corresponding end of the outer positioning plate through the positioning connecting plate. The positioning substrate also includes a reinforcing plate, and the two ends of the reinforcing plate are respectively connected to the inner side wall of the inner positioning plate.

[0013] Further, the occlusal portion includes a plurality of occlusal teeth, and the plurality of occlusal teeth are arranged at intervals along the extension direction of the inner occlusal plate; and / or the oral positioning portion includes a fixing pin positioning hole.

[0014] Furthermore, the positioning base plate and the bite plate are both manufactured by 3D printing.

[0015] By applying the technical solution of the utility model, the auxiliary device for edentulous oral scanning includes a positioning substrate and an occlusal plate. The positioning substrate is fixed in the patient's oral cavity by using an oral positioning part, and the occlusal plate is placed on the positioning substrate. The occlusal part connected between the inner occlusal plate and the outer occlusal plate is used to occlude with the teeth on the opposite side, and then the occlusal information can be scanned by using a scanning tool. Compared with directly implanting the scanning device in the patient's oral cavity, the occlusal plate can be positioned by using the positioning substrate, and the occlusal plate is more firmly positioned than the oral mucosa. At the same time, by scanning the occlusal information after the occlusal part and the teeth are occluded, accurate occlusal information can be obtained. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 A schematic diagram of the structure of an auxiliary device for scanning an edentulous oral cavity provided according to an embodiment of the utility model is shown;

[0018] Figure 2 Shows Figure 1 Schematic diagram of the structure of the bite plate in;

[0019] Figure 3 Shows Figure 1 A schematic diagram of the structure of the positioning substrate;

[0020] Figure 4 Another structural schematic diagram of an auxiliary device for scanning an edentulous oral cavity provided according to an embodiment of the utility model is shown;

[0021] Figure 5 Another structural schematic diagram of the auxiliary device for scanning the edentulous oral cavity provided according to an embodiment of the utility model is shown;

[0022] Figure 6 A schematic diagram of the structure of a radiation guide is shown;

[0023] Figure 7 A schematic diagram of the structure of the scanning rod being installed in the oral cavity is shown.

[0024] The above drawings include the following reference numerals:

[0025] 1. Radiographic guide; 2. Scanning rod;

[0026] 10. Positioning base plate; 11. Oral positioning portion; 12. First connecting portion; 13. Inner positioning plate; 14. Outer positioning plate; 15. Positioning connecting plate; 16. Reinforcement plate;

[0027] 20. Occlusal plate; 21. Internal occlusal plate; 22. External occlusal plate; 23. Occlusal part; 24. Second connecting part; 25. Occlusal connecting plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0029] like Figures 1 to 5As shown, an embodiment of the utility model provides an auxiliary device for scanning an edentulous oral cavity, and the auxiliary device for scanning an edentulous oral cavity includes a positioning substrate 10 and a bite plate 20. The positioning substrate 10 has an oral positioning portion 11; the bite plate 20 is arranged on the positioning substrate 10, and the bite plate 20 includes an inner bite plate 21, an outer bite plate 22 and a bite portion 23. The inner bite plate 21 is connected to the inner side of the outer bite plate 22, and the bite portion 23 extends toward a side of the inner bite plate 21 away from the positioning substrate 10, and the bite portion 23 is connected between the inner bite plate 21 and the outer bite plate 22.

[0030] By applying the technical solution of the utility model, the auxiliary device for edentulous oral cavity scanning includes a positioning substrate 10 and a bite plate 20. The positioning substrate 10 is fixed in the patient's oral cavity by using the oral positioning part 11, and the bite plate 20 is placed on the positioning substrate 10. The bite portion 23 connected between the inner bite plate 21 and the outer bite plate 22 is used to bite with the teeth on the opposite side, and then the bite information can be scanned by using a scanning tool. Compared with directly implanting the scanning device in the patient's oral cavity, the positioning substrate 10 can be used to position the bite plate 20, and the bite plate 20 is more firmly positioned than the oral mucosa. At the same time, by scanning the bite information after the bite portion 23 bites with the teeth, accurate bite information can be obtained.

[0031] Among them, the auxiliary device for edentulous oral scanning provided in this embodiment is suitable for fully edentulous patients. Fully edentulous patients generally have no teeth as a basis for auxiliary scanning and imaging, and can only scan the patient's mucosal information and the scanning rod 2.

[0032] The manufacturing and use process of the auxiliary device for edentulous oral scanning is as follows: Figure 6 As shown, firstly, the patient's intraoral data is collected and the radiographic guide 1 is designed. The radiographic guide 1 is printed using a 3D printing device. Then, the radiographic guide 1 is placed in the patient's mouth for CBCT (Cone beam CT) photography, and the CBCT of the radiographic guide 1 is photographed separately. Then, both photographed CBCT data are imported into the design software to design the positioning substrate 10 and the bite plate 20. After the positioning substrate 10 and the bite plate 20 are designed, as shown in FIG. Figure 7 As shown, the scanning rod 2 is worn in the patient's mouth, the positioning substrate 10 is installed in the oral cavity, the scanning rod 2 is used to scan the patient's oral cavity, and then the occlusal plate 20 is connected to the positioning substrate 10, the occlusal part 23 is engaged with the teeth on the opposite side, and the oral cavity is scanned again. The patient's mucosal data and occlusal data can be obtained. The final denture restoration design is performed in the design software based on the mucosal data and occlusal data.

[0033] like Figure 2 and Figure 3As shown, the positioning substrate 10 is provided with a first connection part 12, and the inner bite plate 21 and the outer bite plate 22 are provided with a second connection part 24, and the first connection part 12 and the second connection part 24 are detachably connected. The above-mentioned matching structure has the advantages of simple structure and easy setting.

[0034] like Figure 1 As shown, the first connection parts 12 and the second connection parts 24 are both arranged in a one-to-one correspondence, and some of the second connection parts 24 are connected to the inner wall of the inner bite plate 21, and the remaining second connection parts 24 are connected to the outer wall of the outer bite plate 22. The use of multiple first connection parts 12 and multiple second connection parts 24 can make the positioning stable, thereby obtaining more accurate occlusal information.

[0035] In one embodiment of the present application, the first connection part 12 includes a first magnet, and the second connection part 24 includes a second magnet that can be magnetically matched with the first magnet. The magnetic matching method has the advantages of simple structure and easy operation.

[0036] Among them, one of the first magnet and the second magnet can be set as a magnet, and the other can be set as a metal such as iron, cobalt, and nickel that can be adsorbed by the magnet. Of course, both can also be set as magnets.

[0037] In another embodiment of the present application, one of the first connection part 12 and the second connection part 24 is a clamping column, and the other of the first connection part 12 and the second connection part 24 is a clamping tube. The clamping tube has a plurality of open grooves spaced along its circumference, and the clamping column is inserted into the clamping tube. The matching structure in which the clamping column and the clamping tube are clamped has the advantage of stable positioning. In addition, when the clamping column is inserted into the clamping tube, the clamping tube undergoes elastic deformation and emits a "click" sound. This snap structure can serve to remind the positioning substrate and the bite plate that they have been installed in place.

[0038] The opening groove passes through the end surface of the clamping cylinder.

[0039] In another embodiment of the present application, one of the first connection part 12 and the second connection part 24 is a plug-in column, and the other of the first connection part 12 and the second connection part 24 is a plug-in barrel. The outer diameter of the plug-in column gradually decreases in the direction close to the plug-in barrel, and the plug-in column is inserted into the plug-in barrel. The structure of the plug-in column and the plug-in barrel being plugged in and matched has the advantage of being easy to operate.

[0040] like Figure 2As shown, the bite plate 20 also includes two bite connection plates 25, the inner bite plate 21 and the outer bite plate 22 are both arc-shaped plates, and the end of the inner bite plate 21 is connected to the corresponding end of the outer bite plate 22 through the bite connection plate 25. The connection method of connecting the inner bite plate 21 and the outer bite plate 22 by the bite connection plate 25 has the advantage of a simple connection structure.

[0041] like Figure 3 As shown, the positioning substrate 10 includes an inner positioning plate 13, an outer positioning plate 14 and two positioning connecting plates 15. The inner positioning plate 13 is located on the inner side of the outer positioning plate 14. Both the inner positioning plate 13 and the outer positioning plate 14 are arc-shaped plates. The end of the inner positioning plate 13 is connected to the corresponding end of the outer positioning plate 14 through the positioning connecting plate 15. The positioning substrate 10 with the above structure has the advantages of simple structure and easy processing.

[0042] The positioning substrate 10 further includes a reinforcing plate 16, and both ends of the reinforcing plate 16 are respectively connected to the inner side walls of the inner positioning plate 13. The reinforcing plate 16 can increase the structural strength of the positioning substrate 10, thereby preventing the positioning substrate 10 from being deformed.

[0043] like Figure 2 As shown, the occlusal portion 23 includes a plurality of occlusal teeth, and the plurality of occlusal teeth are arranged at intervals along the extension direction of the inner occlusal plate 21. By utilizing the plurality of occlusal teeth to occlude with the opposite teeth, the occlusal relationship can be made more precise, and more accurate occlusal information can be collected.

[0044] Of course, the occlusal portion 23 may also include only one occlusal tooth.

[0045] The oral cavity positioning portion 11 includes a fixing pin positioning hole. The fixing pin is passed through the fixing pin hole to fix the positioning substrate 10 in the patient's oral cavity.

[0046] Specifically, the positioning substrate 10 and the bite plate 20 are both manufactured by 3D printing. The above manufacturing process can realize digital design and digital manufacturing, which is more suitable for the actual situation of the patient.

[0047] It should be noted that the inside and outside of the auxiliary device for edentulous oral scanning are respectively described for the arc structure. The inside refers to the inner arc side of the arc structure, and the outside refers to the outer arc side of the arc structure.

[0048] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0049] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0050] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0051] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0052] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0053] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An auxiliary device for scanning an edentulous oral cavity, characterized in that: include: A positioning substrate (10) having an oral positioning portion (11); A bite plate (20) is arranged on the positioning substrate (10), and the bite plate (20) includes an inner bite plate (21), an outer bite plate (22) and a bite portion (23), wherein the inner bite plate (21) is connected to the inner side of the outer bite plate (22), and the bite portion (23) extends toward a side of the inner bite plate (21) away from the positioning substrate (10), and the bite portion (23) is connected between the inner bite plate (21) and the outer bite plate (22).

2. The auxiliary device for edentulous oral cavity scanning according to claim 1, characterized in that: The positioning substrate (10) is provided with a first connection portion (12), the inner bite plate (21) and / or the outer bite plate (22) are provided with a second connection portion (24), and the first connection portion (12) and the second connection portion (24) are detachably connected.

3. The auxiliary device for edentulous oral cavity scanning according to claim 2, characterized in that: The first connection parts (12) and the second connection parts (24) are both arranged in a one-to-one correspondence, and part of the second connection parts (24) are connected to the inner wall of the inner bite plate (21), and the rest of the second connection parts (24) are connected to the outer wall of the outer bite plate (22).

4. The auxiliary device for edentulous oral cavity scanning according to claim 2, characterized in that: The first connecting portion (12) comprises a first magnet, and the second connecting portion (24) comprises a second magnet capable of magnetically engaging with the first magnet.

5. The auxiliary device for edentulous oral cavity scanning according to claim 2, characterized in that: One of the first connecting part (12) and the second connecting part (24) is a clamping column, and the other of the first connecting part (12) and the second connecting part (24) is a clamping tube, wherein the clamping tube has a plurality of open grooves spaced apart along its circumference, and the clamping column is inserted into the clamping tube.

6. The auxiliary device for edentulous oral cavity scanning according to claim 2, characterized in that: One of the first connection part (12) and the second connection part (24) is a plug-in column, and the other of the first connection part (12) and the second connection part (24) is a plug-in tube. The outer diameter of the plug-in column gradually decreases in a direction approaching the plug-in tube, and the plug-in column is inserted into the plug-in tube.

7. The auxiliary device for edentulous oral cavity scanning according to any one of claims 1 to 6, characterized in that: The bite plate (20) further comprises two bite connection plates (25), the inner bite plate (21) and the outer bite plate (22) are both arc-shaped plates, and the end of the inner bite plate (21) is connected to the corresponding end of the outer bite plate (22) via the bite connection plate (25).

8. The auxiliary device for edentulous oral cavity scanning according to any one of claims 1 to 6, characterized in that: The positioning substrate (10) comprises an inner positioning plate (13), an outer positioning plate (14) and two positioning connecting plates (15); the inner positioning plate (13) is located on the inner side of the outer positioning plate (14); the inner positioning plate (13) and the outer positioning plate (14) are both arc-shaped plates; the end of the inner positioning plate (13) is connected to the corresponding end of the outer positioning plate (14) via the positioning connecting plate (15); The positioning substrate (10) further comprises a reinforcing plate (16), and two ends of the reinforcing plate (16) are respectively connected to the inner side walls of the inner positioning plate (13).

9. The auxiliary device for edentulous oral cavity scanning according to any one of claims 1 to 6, characterized in that: The occlusal portion (23) comprises a plurality of occlusal teeth, and the plurality of occlusal teeth are arranged at intervals along the extension direction of the inner occlusal plate (21); and / or, The oral cavity positioning portion (11) comprises a fixing nail positioning hole.

10. The auxiliary device for edentulous oral cavity scanning according to any one of claims 1 to 6, characterized in that: The positioning substrate (10) and the bite plate (20) are both manufactured by 3D printing.

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