CN220046146U - Multifunctional resin guide plate for assisting in bonding periodontal splints - Google Patents
Multifunctional resin guide plate for assisting in bonding periodontal splints Download PDFInfo
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- CN220046146U CN220046146U CN202220870602.2U CN202220870602U CN220046146U CN 220046146 U CN220046146 U CN 220046146U CN 202220870602 U CN202220870602 U CN 202220870602U CN 220046146 U CN220046146 U CN 220046146U
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- periodontal
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- guide plate
- splint
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- 230000003239 periodontal effect Effects 0.000 title claims abstract description 81
- 239000011347 resin Substances 0.000 title claims abstract description 47
- 229920005989 resin Polymers 0.000 title claims abstract description 47
- 238000005520 cutting process Methods 0.000 claims description 5
- 210000004195 gingiva Anatomy 0.000 claims description 5
- 206010065612 Loose tooth Diseases 0.000 abstract description 27
- 238000000034 method Methods 0.000 abstract description 20
- 230000014759 maintenance of location Effects 0.000 abstract description 8
- 238000010146 3D printing Methods 0.000 abstract description 7
- 238000004512 die casting Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000003801 milling Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 2
- 210000004513 dentition Anatomy 0.000 description 12
- 230000036346 tooth eruption Effects 0.000 description 12
- 210000000214 mouth Anatomy 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 210000001519 tissue Anatomy 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000010099 solid forming Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000004763 bicuspid Anatomy 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000002455 dental arch Anatomy 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 208000028169 periodontal disease Diseases 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model relates to a multifunctional resin guide plate for assisting in bonding periodontal splints, which comprises a loose tooth fixing device and a splinting device, wherein the splinting device is selectable and can be detachably connected with the loose tooth fixing device. According to the utility model, by utilizing a whole-process digital technical means, the multifunctional resin guide plate for assisting in bonding the periodontal splint is manufactured according to the digital model of the natural curved surface form of the teeth, so that the problems of excessively thick bonding layer, poor stress and the like caused by loosening tooth displacement in the bonding process can be avoided; the design of the multifunctional resin guide plate is visual, convenient to modify and observe by the aid of computer aided design software; the high-precision 3D printing/numerical control milling/die casting molding technology can enable the loose tooth retention device, the clamping plate positioning device and the periodontal clamping plate to be assembled and molded, and avoids the problem of difficult assembly caused by physical errors.
Description
Technical Field
The utility model belongs to the field of dental restoration and periodontal, and particularly relates to a multifunctional resin positioning guide plate for assisting in bonding periodontal splints, which can be applied to bonding operation of any type of periodontal splints in an oral cavity, and is particularly suitable for accurate bonding of CAD/CAM periodontal splints.
Background
The prior art mainly used at home and abroad for loosening teeth comprises ligature wire composite resin clamping plates, fiber band resin clamping plates, metal fixing clamping plates and the like.
When the prior art of loosening teeth is used for bonding, after the periodontal splint is positioned on the lingual/labial side of the abutment, a doctor manually presses the splint to the labial/lingual side. Because periodontal disease suffers from the tooth looseness degree great, the tooth that frequently takes place to shift of abutment when pressing by hand especially relates to when many not hard up teeth, and each tooth shift volume is uneven often appears, leads to periodontal splint can not closely laminate with the abutment, and local adhesive layer is too thick, influences splint's durability. In the prior art, in order to prevent loose teeth from shifting during the bonding process, doctors usually need to use a small amount of resin to connect adjacent affected teeth together and then fix the affected teeth by using a periodontal splint; or using impression materials such as silicone rubber to fill gaps among the affected teeth, and limiting displacement of the free hand on the affected teeth in the bonding process.
The defects of the prior art at present are that: the traditional bonding mainly depends on the experience of doctors, and the clamping plate position has certain variability, so that the accuracy and precision are difficult to master accurately, and therefore, certain deviation can occur between the final bonding position of the clamping plate and the preset design position.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a multifunctional resin positioning guide plate for assisting in bonding periodontal splints, which prevents loose abutment teeth from shifting when the splints are bonded and ensures that the final bonding position is consistent with a preset design position.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the multifunctional resin guide plate comprises a loosening tooth fixing device and/or a clamping plate positioning device, wherein the clamping plate positioning device is detachably connected with the loosening tooth fixing device, a front clamping groove and a rear clamping groove are formed in the loosening tooth fixing device, the front clamping groove is consistent with the shape of the curved surface of the labial surface of loosening teeth of a patient, the rear clamping groove is used for covering part of cheek tongue surfaces and occlusal surfaces of premolars or molar teeth, positioning round holes are formed in the occlusal surfaces, the clamping plate positioning device comprises a connecting rod and a connecting plate which are connected with each other, positioning columns are arranged at two ends of the connecting rod, and the positioning columns are in interference fit with the positioning round holes; the connecting plate is arc, and its front end both sides are equipped with splint locating hole for connecting periodontal splint.
The connecting rod is connected with the connecting plate through the spliced pole, and the spliced pole sets up one, and the middle part of connecting rod and connecting plate is connected respectively at the both ends of spliced pole.
The connecting rod, the connecting plate and the connecting column are integrally formed.
The two ends of the connecting plate are provided with clamping plate positioning holes which can be connected with the connecting plate through periodontal clamping plate positioning columns on the lingual sides of the periodontal clamping plates.
The surfaces of the front clamping groove and the rear clamping groove are the same as the surfaces of the covered teeth in shape to form jogging, the upper end of the front clamping groove covers the cutting end of the affected tooth or the set area of the occlusal surface, and the rear clamping groove is positioned in a part of the non-inverted concave area of the non-affected cheek tongue surface.
The gingival side of the guide plate is consistent with the arc line of the gingiva, and the termination line of the guide plate is positioned above the gingiva.
When the periodontal splint of the patient needs to be arranged on the labial side, the front clamping groove of the loosening tooth retention device in the resin guide plate for assisting in bonding the periodontal splint is arranged on the lingual side, is consistent with the curved surface form of the lingual side, forms jogging, wraps part of lingual side and cut end of the dentition, and removes the splint positioning device.
The splint positioning device and the loose tooth fixing device finish entity manufacture through 3D printing, numerical control cutting or die casting forming technology.
Compared with the prior art, the utility model has at least the following beneficial effects: the multifunctional resin guide plate loose tooth retention device for assisting in bonding the periodontal splint can avoid the displacement of loose teeth in the bonding process, so that the thickness of the adhesive layer is prevented from being increased, and the risk of debonding the periodontal splint is reduced.
The clamping plate positioning device in the multifunctional resin guide plate for assisting in bonding the periodontal clamping plate can bond the indirect periodontal clamping plate at the preset position of the abutment in the bonding process, so that the phenomenon that the periodontal clamping plate is not bonded with the abutment surface is avoided, and the debonding risk of the periodontal clamping plate is reduced; the bad stress generated by the moving position of the affected teeth after the fixation is avoided, the original occlusion relation of the patient is prevented from being changed too much, and the occlusion wound is reduced.
The clamping plate positioning device can be connected with the indirect periodontal clamping plate, and can be held for processing when the indirect periodontal clamping plate tissue surface is subjected to the pretreatment of bonding, so that the bonding failure caused by pollution of the clamping plate tissue surface during bonding processing is avoided.
Drawings
FIG. 1 is a top view of a loose tooth retention device of a multi-functional resin guide.
FIG. 2 is a view of the labial and buccal surfaces of the splint positioning device of the multifunctional resin guide.
Fig. 3 is a lingual view of a CAD/CAM periodontal splint.
FIG. 4 is an assembly of a multifunctional resin guide and CAD/CAM periodontal splint.
FIG. 5 is a nest of multifunctional resin guides on a 3D printing model.
Fig. 6 is a lingual view of a design of a missing tooth restoration.
Fig. 7 is a lingual view of a CAD/CAM periodontal splint with missing teeth.
Reference numerals: 1-a front clamping groove; 2-positioning round holes; 3-connecting rods; 4-connecting columns; 5-positioning columns; 6, connecting a plate; 7-clamping plate positioning holes; 8-periodontal splint positioning column; 9-an adhesive hole groove of the prosthesis; 10-adhesive column of periodontal splint.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the substances, and not restrictive of the utility model. It should be further noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision. The technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings in combination with embodiments.
Unless otherwise indicated, the exemplary implementations/embodiments shown are to be understood as providing exemplary features of various details of some of the ways in which the technical concepts of the present utility model may be practiced. Thus, unless otherwise indicated, the features of the various implementations/embodiments may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concepts of the present utility model.
The use of cross-hatching and/or shading in the drawings is typically used to clarify the boundaries between adjacent components. As such, the presence or absence of cross-hatching or shading does not convey or represent any preference or requirement for a particular material, material property, dimension, proportion, commonality between illustrated components, and/or any other characteristic, attribute, property, etc. of a component, unless indicated. In addition, in the drawings, the size and relative sizes of elements may be exaggerated for clarity and/or descriptive purposes. While the exemplary embodiments may be variously implemented, the specific process sequences may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in reverse order from that described. Moreover, like reference numerals designate like parts.
When an element is referred to as being "on" or "over", "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to," or "directly coupled to" another element, there are no intervening elements present. For this reason, the term "connected" may refer to physical connections, electrical connections, and the like, with or without intermediate components.
Referring to fig. 1 and 2, a multifunctional resin guide plate for assisting in bonding periodontal splints includes a loose tooth fixing device and/or a splint positioning device detachably connected to the loose tooth fixing device. The front clamping groove and the rear clamping groove are arranged on the loosening tooth fixing device, the shape of the front clamping groove is consistent with that of the labial surface of the loosening tooth of a patient, the rear clamping groove is used for covering a part of non-inverted concave area above a non-affected cheek tongue surface lead, and a positioning round hole 2 is formed in the occlusal surface of the rear clamping groove; the splint positioner includes interconnect's connecting rod 3 and connecting plate 6, and the both ends of connecting rod 3 set up reference column 5, reference column 5 and location round hole 2 interference fit.
The connecting rod 3 and the connecting plate 6 are connected through the connecting column 4, one connecting column 4 is arranged, and two ends of the connecting column 4 are respectively connected with the connecting rod 3 and the connecting plate 6.
Referring to fig. 3 and 4, the connecting plate 6 is arc-shaped, and two sides of the front end of the connecting plate are provided with clamping plate positioning holes 7 which can be connected with positioning posts 8 on the lingual side of the periodontal clamping plate.
As a preferred embodiment, the gingival square of the guide is positioned to conform to the curvature of the gums, with the ending line of the guide being above the gums.
When the periodontal splint of the patient needs to be arranged on the labial side, the front clamping groove of the loosening tooth retention device in the multifunctional resin positioning guide plate for assisting in bonding the periodontal splint is arranged on the lingual side, is consistent with the curved surface form of the front clamping groove, forms jogging, wraps part of lingual sides and cut ends of dentition, and removes the splint positioning device.
In one embodiment, only the loose tooth fixing device is provided with a front clamping groove and a rear clamping groove, and the surfaces of the clamping grooves are the same as the surfaces of the covered teeth in shape to form jogging. The front clamping groove is consistent with the shape of the curved surface of the labial surface of the loose teeth of the patient, the upper end of the front clamping groove covers the set area of the cutting end or the occlusal surface of the patient's teeth, and the rear clamping groove covers the non-inverted concave area and the occlusal surface of the cheek-tongue surface of the part above the non-patient tooth lead. The gingival side of the guide plate is consistent with the gingival arc, and the termination line of the guide plate is positioned above the gingiva.
The utility model provides a preparation method of a multifunctional resin positioning guide plate for auxiliary bonding of periodontal splints, which comprises the following steps:
s1: scanning the oral cavity of the patient by using an intraoral scanner to obtain dentition information of the patient to form a digital model;
s2: designing a resin guide plate loose tooth fixing device according to a digital oral cavity model of a patient, wherein the resin guide plate loose tooth fixing device is shown in figure 1;
s3: designing a digital periodontal splint and a splint positioning device on a digital oral cavity model of a patient, and fig. 2; if the fiber band resin periodontal splint is manufactured by adopting a manual indirect restoration mode on the printed and molded patient dentition model, scanning is performed after the splint is finished, a digital model with splint information is generated, and then the design of a splint positioning device is finished;
s4: and performing solid forming on the loose tooth fixing device and the clamping plate positioning device by adopting a 3D printing/numerical control milling/die casting forming method.
The multifunctional resin positioning guide plate for assisting in bonding the periodontal splint is prepared by adopting any one of the methods in the embodiment. The resin guide plate for bonding the periodontal splint manufactured by the method can avoid the excessive thickness of the bonding layer caused by loose tooth displacement in the bonding process, and solves the problems of poor stress and the like; the resin guide plate for bonding the periodontal splint designed by the computer aided design software is visual in design, convenient to modify and observe; the high-precision 3D printing/numerical control milling/die casting molding technology can enable the loose tooth retention device, the clamping plate positioning device and the periodontal clamping plate to be assembled and molded, and avoids the problem of difficult assembly caused by physical errors.
The application method of the multifunctional resin guide plate for assisting in bonding the periodontal splint comprises the following steps of:
s11: connecting a positioning column of the periodontal splint with a positioning hole of the splint positioning device;
s12: pretreatment of the tissue surface of the periodontal splint before bonding of the dental tissue of the patient;
s13: the loose tooth fixing device is arranged on the dentition of a patient, so that the cut ends of the affected teeth are tightly attached to the front clamping grooves, and the rear clamping grooves are tightly embedded with the covered occlusal surfaces.
S14: coating a thin layer of resin water cement on the tissue surface of the periodontal splint;
s15: fixing the connected splint positioning device and periodontal splint on the loose tooth fixing device, attaching the periodontal splint to the lingual side of the abutment, pre-curing, checking whether the periodontal splint is in place or not, and completing curing;
s16: and (3) grinding the connecting column 4 of the clamping plate positioning device by adopting a high-speed mobile phone.
S17: and taking out the loose tooth fixing device.
S18: polishing the lingual surface of the periodontal splint.
In order to better demonstrate the structure of the present utility model, the following examples are provided for the purpose of illustration:
the method for manufacturing the multifunctional resin positioning guide plate for assisting in bonding and indirect repairing lingual periodontal splints is carried out according to the following steps with reference to fig. 1-5:
s1: scanning the oral cavity of the patient by using an intraoral scanner to obtain dentition information of the patient to form a digital model;
s2: designing a resin guide plate loose tooth fixing device according to a digital oral cavity model of a patient, wherein the resin guide plate loose tooth fixing device is shown in figure 1;
s3: designing a digital periodontal splint and a splint positioning device on a digital oral cavity model of a patient, and fig. 2; if the fiber band resin periodontal splint is manufactured by adopting a manual indirect restoration mode on the printed and molded patient dentition model, scanning is performed after the splint is finished, a digital model with splint information is generated, and then the design of a splint positioning device is finished;
s4: and performing solid forming on the loose tooth fixing device and the clamping plate positioning device by adopting a 3D printing/numerical control milling/die casting forming method.
In step S1, the patient may be scanned intraorally using a 3shape, lithocarpy, parecox, etc. scanner to obtain information of the dentition and surrounding soft tissues of the patient.
In the step S2, software such as EXOCAD or GEOMAGIC can be used, and the shape of the resin guide plate loose tooth fixing device for assisting in bonding the periodontal splint is designed by adopting a curve editing step after filling the undercut according to the labial surface, occlusal surface information and arrangement information of the mandibular dentition extracted in the step S1. Excess material is removed during the wax pattern editing step.
The gemagaic software can be used when the step S3 is performed, and the fixing post, the connecting rod, the connecting post and the connecting plate of the splint positioning device are designed according to the position of the loosening tooth fixing device designed in the step S2. The shape of the connection plate is required to bend along the arch shape. The specific size is comprehensively designed according to factors such as the final materials of the loose tooth fixing device and the guide plate, the dental arch shape of a patient and the like.
In the step S3, the manufacture of the locating holes of the splint locating device is different according to the different manufacture modes of the periodontal splint, two periodontal splint locating posts 8 are respectively arranged on the tongue side polished surfaces of the CAD/CAM periodontal splint in the design process, and the locating holes 7 are generated based on the Boolean operation between the CAD/CAM periodontal splint and the splint locating device in the GEOMAGIC; the indirectly manufactured fiber band periodontal splint can be stacked with resin to generate two positioning columns when being manufactured outside the mouth, and the positioning columns 7 and the positioning holes 8 are mutually embedded by generating the positioning holes on the splint positioning device through Boolean operation in the GEOMAGIC after scanning the positioning columns.
The 3D printing/numerical control cutting/die casting molding method may be used to assist in bonding the resin guide of the periodontal splint in performing step S4.
The application method of the multifunctional resin positioning guide plate for bonding the periodontal splint comprises the following steps:
s1: connecting a positioning column of the periodontal splint with a positioning hole of the splint positioning device;
s2: the loose tooth fixing device is arranged on the dentition of a patient, so that the cut ends of the affected teeth are tightly attached to the front clamping grooves, and the rear clamping grooves are tightly embedded with the covered occlusal surfaces;
s3: pretreatment of the tissue surface of the periodontal splint before bonding of the dental tissue of the patient;
s4: coating a thin layer of resin water cement on the tissue surface of the periodontal splint;
s5: fixing the connected splint positioning device and periodontal splint on the loose tooth fixing device to make the periodontal splint and lingual side of the abutment joint, checking whether to be in place after pre-curing, and completing curing;
s6: and (5) grinding the connecting column of the clamping plate positioning device by adopting a high-speed mobile phone, and taking out the connecting column.
S7: and taking out the loose tooth fixing device.
S8: polishing the lingual surface of the periodontal splint.
Embodiment two:
the manufacturing method of the multifunctional resin positioning guide plate for assisting the direct bonding of the labial fiber belt resin clamping plate comprises the following steps: when the periodontal splint of the patient needs to be arranged on the labial side, the loose tooth retention device is completed by adopting the design and the use method of the embodiment 1, and the design and the manufacture are different in that S2, the front clamping groove of the loose tooth retention device in the resin guide plate for assisting in bonding the periodontal splint needs to be arranged on the lingual side, and the lingual side and the cut ends of part of the dentition are wrapped. In this example, the splint locating device may not be provided because it does not involve the problem of repositioning the periodontal splint.
Embodiment III:
when there is missing teeth in the mouth of the patient, referring to fig. 6-7, the design, manufacture and use methods are as follows:
the difference between the design and manufacturing method of the present embodiment and the first embodiment is that S2 is designed after designing the shape and position of the missing tooth in exocoad, and then importing the rest dentition information into GEOMAGIC for boolean operation and merging.
The difference between the present embodiment and the first embodiment is that S1, the prosthesis with missing tooth position is first adhered to the adhesive post 10 of the periodontal splint in vitro as shown in fig. 6, and fig. 7.
The above specific implementation method of the resin guide plate for assisting in bonding the periodontal splint further explains the purpose, technical scheme and beneficial effect of the utility model. In addition to the embodiments described above, other embodiments of the utility model are possible. All technical schemes formed by adopting equivalent replacement or equivalent variation fall within the protection scope of the utility model.
Claims (6)
1. The utility model provides a supplementary multi-functional resin baffle that bonds periodontal splint which characterized in that: the device comprises a loosening tooth fixing device and/or a clamping plate positioning device, wherein the clamping plate positioning device is detachably connected with the loosening tooth fixing device, a front clamping groove (1) and a rear clamping groove are formed in the loosening tooth fixing device, the front clamping groove (1) is consistent with the shape of the curved surface of the lip surface of a loosening tooth of a patient, the rear clamping groove is used for covering part of the cheek tongue surface and the occlusal surface of a premolaring tooth or a molar tooth, a positioning round hole (2) is formed in the occlusal surface, the clamping plate positioning device comprises a connecting rod (3) and a connecting plate (6) which are connected with each other, positioning columns (5) are arranged at two ends of the connecting rod (3), and the positioning columns (5) are in interference fit with the positioning round hole (2); the connecting plate (6) is arc-shaped, and two sides of the front end of the connecting plate are provided with clamping plate positioning holes (7) for connecting periodontal clamping plates.
2. The multifunctional resin guide plate for assisting in bonding a periodontal splint according to claim 1, wherein: the connecting rod (3) is connected with the connecting plate (6) through the connecting column (4), the connecting column (4) is provided with one, and the two ends of the connecting column (4) are respectively connected with the middle parts of the connecting rod (3) and the connecting plate (6).
3. The multifunctional resin guide plate for assisting in bonding a periodontal splint according to claim 2, wherein: the connecting rod (3), the connecting plate (6) and the connecting column (4) are integrally formed.
4. The multifunctional resin guide plate for assisting in bonding a periodontal splint according to claim 1, wherein: the splint locating hole (7) can be connected with the periodontal splint by a periodontal splint locating column (8) on the lingual side of the periodontal splint.
5. The multifunctional resin guide plate for assisting in bonding a periodontal splint according to claim 1, wherein: the surfaces of the front clamping groove (1) and the rear clamping groove are the same as the surfaces of the covered teeth in shape to form jogging, the upper end of the front clamping groove covers the set area of the cutting end or the occlusal surface of the affected teeth, and the rear clamping groove is positioned in a part of the non-inverted concave area of the non-affected cheek tongue surface.
6. The multifunctional resin guide plate for assisting in bonding a periodontal splint according to claim 1, wherein: the gingival side of the guide plate is consistent with the arc line of the gingiva, and the termination line of the guide plate is positioned above the gingiva.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220870602.2U CN220046146U (en) | 2022-04-15 | 2022-04-15 | Multifunctional resin guide plate for assisting in bonding periodontal splints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220870602.2U CN220046146U (en) | 2022-04-15 | 2022-04-15 | Multifunctional resin guide plate for assisting in bonding periodontal splints |
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| Publication Number | Publication Date |
|---|---|
| CN220046146U true CN220046146U (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220870602.2U Active CN220046146U (en) | 2022-04-15 | 2022-04-15 | Multifunctional resin guide plate for assisting in bonding periodontal splints |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220046146U (en) |
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- 2022-04-15 CN CN202220870602.2U patent/CN220046146U/en active Active
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