CN215839607U - Palatal side micro-implant implantation guide plate - Google Patents
Palatal side micro-implant implantation guide plate Download PDFInfo
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- CN215839607U CN215839607U CN202121722797.8U CN202121722797U CN215839607U CN 215839607 U CN215839607 U CN 215839607U CN 202121722797 U CN202121722797 U CN 202121722797U CN 215839607 U CN215839607 U CN 215839607U
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Abstract
The utility model discloses a palatal side micro-implant implantation guide plate, which comprises a guide part, a retaining part and a connecting part, wherein the guide part is arranged at the upper part of the connecting part in a penetrating way, and the retaining part is fixedly arranged at the outer side of the connecting part; the retention part comprises a plurality of single-arm clamping rings of semi-surrounding structures, and the single-arm clamping rings are matched with the shapes of the surfaces of corresponding teeth. The retention part in the utility model uses the single-arm snap ring with a semi-surrounding structure to retain, so that the arch wire on the teeth of a patient does not need to be taken down when the micro-implant is implanted at the palatal side of the teeth, and the micro-implant can be directly implanted, thereby simplifying the implantation steps; in addition, the occlusion retention type can not realize the palate side planting when the micro implant is implanted in the prior art, and the single-arm clamping ring with the semi-surrounding structure can realize the palate side planting.
Description
Technical Field
The utility model belongs to the technical field of medicine, relates to orthodontic tooth correction, and particularly relates to a palatal side micro-implant implantation guide plate.
Background
At present, the application rate of the micro-implant in orthodontic clinic is high, the implantation success rate is different from 70% to 90%, and a large number of researches show that the main failure reason is to touch or damage the tooth root of the adjacent tooth. Clinically, the doctor uses X-ray film as reference when implanting the mini-implant, and determines the direction and the position of implant implantation according to the experience, therefore, the contact rate of the tooth root is related to the experience of the operator. In this case, a guide plate has been developed which combines the anatomical conditions of the soft and hard tissues of the patient and can guide the implantation direction and position of the mini-implant during the implantation process. In 2007, Kim designs a guide plate by collecting CBCT data of bone tissues of patients, but the accuracy is not high when the guide plate is implanted because the guide plate lacks data of soft tissues; in 2016, the guide plate designed by enemy deluge designs a buffer distance to reduce the influence caused by the missing of soft tissue data while acquiring the data of the CBCT of the bone tissue of a patient, but the implantation precision is still not high because the data of the soft tissue is still lacked; in 2018, Chenyanqu designs an implant implantation guide plate, which is used for collecting CBCT data of bone tissues and oral scanning data of soft tissues, but because the data of the size of an implant is lacked, the implantation precision is still influenced, and the implantation accuracy is not high.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a palatal side micro-implant implantation guide plate, which solves the technical problem that the implantation cannot be realized in an occlusion retention mode when a palatal side micro-implant is implanted in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a palate side micro-implant implantation guide plate comprises a guide part, a retaining part and a connecting part, wherein the guide part is arranged at the upper part of the connecting part in a penetrating way, and the retaining part is fixedly arranged at the outer side of the connecting part; the retention part comprises a plurality of single-arm clamping rings of semi-surrounding structures, and the single-arm clamping rings are matched with the shapes of the surfaces of corresponding teeth.
The utility model also has the following technical characteristics:
specifically, the connecting part is of a structure similar to a Chinese character ji.
Specifically, the guiding parts are two cylindrical guiding pipes, and the two guiding pipes are symmetrically arranged at two corners of the n-shaped structure.
Specifically, the length of the guide tube is 12mm, the inner diameter is 4.5mm, and the outer diameter is 6 mm.
Specifically, the depth of the tail end of the single-arm clamp ring extending into the inverted concave part corresponding to the teeth is 0.25 mm.
Specifically, the thickness of the single-arm snap ring ranges from 1mm to 1.5 mm.
Preferably, the thickness of the single-arm snap ring is 1.5 mm.
Specifically, the guide portion, the retaining portion and the connecting portion are made of 3D printed metal materials.
Compared with the prior art, the utility model has the beneficial technical effects that:
the retention part in the utility model uses the single-arm snap ring with a semi-surrounding structure to retain, so that the arch wire on the teeth of a patient does not need to be taken down when the implant is implanted at the palatal side of the teeth, and the implant can be directly implanted, thereby simplifying the implantation steps; in addition, the occlusion retention type cannot realize the palate side implantation when the palate side micro implant is implanted in the prior art, and the single-arm snap ring with the semi-surrounding structure can realize the palate side implantation.
The connecting part of the utility model adopts a structure similar to a Chinese character ji, so that the guide plate is tightly attached to the palate side of the oral cavity of a patient, the retention of the guide plate is further enhanced, and the implantation accuracy of the micro-implant is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the use state of the present invention.
The meaning of the individual reference symbols in the figures is: 1-guide part, 2-retainer part, 3-connecting part, 4-single-arm clasp and 5-tooth.
The present invention will be explained in further detail with reference to examples.
Detailed Description
All parts in the present invention are those known in the art, unless otherwise specified.
The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.
Example (b):
the embodiment provides a palatal side micro-implant implanting guide plate, as shown in fig. 1 to 2, comprising a guide part 1, a retention part 2 and a connecting part 3, wherein the guide part 1 is arranged on the upper part of the connecting part 3 in a penetrating way, and the retention part 2 is fixedly arranged on the outer side of the connecting part 3; the retainer part 2 comprises a plurality of one-arm clasps 4 of a semi-surrounding structure, and the one-arm clasps 4 are matched with the surface shapes of the corresponding teeth 5.
In the technical scheme, the fixture part is fixed by the single-arm clamp ring of the semi-surrounding structure, so that the arch wire on the teeth of a patient does not need to be taken down when the implant is implanted at the palatal side of the teeth, the implant can be directly implanted, and the implanting step is simplified; in addition, the occlusion retention type can not realize the palate side planting when the micro implant is implanted in the prior art, and the single-arm clamping ring with the semi-surrounding structure can realize the palate side planting.
The overall structure in the above technical scheme is specifically designed as follows:
the guide plate adopts a Lang-type large-visual-field CT machine to collect jaw bone CBCT data of a patient, the file format is a DICOM format, then, the Mimics are imported to carry out three-dimensional reconstruction, and the file in the STL format is exported. The method comprises the steps of collecting intraoral soft tissue data of a patient by adopting a 3Shape Trios oral scanning machine, wherein the file format is STL format, guiding in and registering the collected CBCT data and the oral scanning data by adopting Geomagic Wrap software, reconstructing an overlapped model containing jaw bone and soft tissue data, guiding out the file in STL format, guiding the file into Mimics software, simulating an implant with the size by using a cylinder with the length of 8mm and the diameter of 1.4mm for implantation, wherein the implantation position is 5-7mm away from the crest of an alveolar ridge, the implantation direction is 60-90 degrees away from a bone surface, and ensuring that the safe distance between the implant and the root of an adjacent tooth after implantation in the direction is more than 1.5mm without breaking through cortex opposite to the palate and without damaging important anatomical structures such as maxillary sinus and the like, and drawing the approximate forms of a positioning part and a connecting part by using Exocad according to the surface data of the soft tissue on the palate side.
When in design, a common positioning path of the single-arm clamp ring is firstly arranged, an observation line of the tooth 5 is determined according to the common positioning path, the observation line (occlusal) direction is a non-undercut part, the observation line gum direction is an undercut part, the thickness of the single-arm clamp ring 4 is 1.5mm, the shape is semicircular, the undercut depth of the tail end of the single-arm clamp ring is about 0.25mm, the other parts are arranged above the observation line of the tooth 5 and surround the abutment, the retention between the single-arm clamp ring and the tooth 5 depends on friction force and constraint force, the connecting part connects the retention part and the guiding part and is fitted with the soft tissue on the palate side in the mouth of a patient, the thickness is 1mm, the guide plate comprising the retention part and the connecting part is led out to be an STL file, the file is led into Geomagic Wrap software, the guiding part 1 is designed, a first cylinder with the diameter of 6mm and the length of 12mm and a second cylinder with the diameter of 4.5mm and the length of 12mm are established by taking the central axis of the cylinder as axes, performing a subtractive Boolean operation on the first cylinder and the second cylinder to form a cylindrical guide part 1, performing an additive Boolean operation on the guide part and a guide plate comprising a retaining part 2 and a connecting part 3, further performing a subtractive Boolean operation on the three-dimensional model of the palate side soft tissue of the implantation site to finally form a guide plate structure comprising the guide part, the retaining part and the connecting part, exporting the guide plate structure as an STL file, introducing the STL file into a platinum Strett S200 metal printer, printing the material by using pure titanium, and finally polishing the printed guide plate.
In a preferred embodiment of the present invention, the connecting portion 3 has a zigzag-like structure, so that the guide plate is closely attached to the palate side of the patient's mouth, thereby further enhancing the fixation of the guide plate to the teeth 5.
As a preferred solution of this embodiment, the guiding portion 1 is a cylindrical guiding tube, the guiding portion 1 is two cylindrical guiding tubes, the two guiding tubes are symmetrically disposed at two corners of the zigzag structure, and the guiding tubes ensure the implantation accuracy.
As a preferable scheme of the embodiment, the length of the guide tube is 12mm, the inner diameter is 4.5mm, and the outer diameter is 6mm, so that the stability and the accuracy of the micro-implant implantation process are ensured.
As a preferable scheme of the embodiment, the tail end of the single-arm clamp ring 4 extends into the inverted concave part of the corresponding tooth 5 by 0.25mm, so that the single-arm clamp ring can be better retained.
As a preferable scheme of this embodiment, the thickness of the single-arm snap ring 4 ranges from 1mm to 1.5mm, and the strength requirement of the single-arm snap ring is ensured in this range.
As a preferable scheme of the embodiment, the thickness of the single-arm snap ring 4 is 1.5mm, and the retention effect of the single-arm snap ring is better when the thickness is 1.5 mm.
As a preferable scheme of the embodiment, the guide part 1, the retention part 2 and the connecting part 3 are made of 3D printed metal materials, so that the friction force between the guide plate and the micro-implant implantation handle is reduced.
The specific working process of the utility model is as follows:
the guide plate is retained near a target implantation position by virtue of the constraint force and the friction force between the single-arm snap ring 4 and the teeth 5, at the moment, the guide part 1 is positioned on the surface of the position to be implanted and is attached to the shape of soft tissues at the position, then, the corresponding micro-implant model is selected according to the soft and hard tissue condition in the mouth of a patient, an implantation handle matched with the micro-implant model is selected according to the micro-implant model, finally, the implantation handle carrying the micro-implant is aligned to the guide part 1, implantation is carried out according to the site and the direction determined by the guide part 1, and after implantation is finished, the implantation handle and the guide plate are sequentially removed.
Claims (6)
1. A palate side micro-implant implantation guide plate comprises a guide part (1), a retention part (2) and a connecting part (3), wherein the guide part (1) is arranged at the upper part of the connecting part (3) in a penetrating way, and the retention part (2) is fixedly arranged at the outer side of the connecting part (3); the tooth-retaining mechanism is characterized in that the retaining part (2) comprises a plurality of single-arm snap rings (4) with semi-surrounding structures, and the shapes of the single-arm snap rings (4) are matched with the surfaces of corresponding teeth (5);
the connecting part (3) is of a structure similar to a Chinese character 'ji';
the guide part (1) is two cylindrical guide pipes which are symmetrically arranged at two corners of a structure shaped like a Chinese character 'ji'.
2. The palatal side micro-implant implantation guide of claim 1, wherein said guide tube has a length of 12mm, an inner diameter of 4.5mm and an outer diameter of 6 mm.
3. The palatal side micro-implant implantation guide of claim 1, wherein the distal end of said one-armed snap ring (4) extends into the inverted concave portion of the corresponding tooth (5) by a depth of 0.25 mm.
4. The palatal side micro-implant implantation guide plate according to claim 1, wherein the thickness of said one-armed snap ring (4) ranges from 1mm to 1.5 mm.
5. The palatal side micro-implant implantation guide of claim 4, wherein said one-armed snap ring (4) has a thickness of 1.5 mm.
6. The palatal side micro-implant implantation guide plate according to claim 1, wherein said guide portion (1), retention portion (2) and connecting portion (3) are all made of 3D printed metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121722797.8U CN215839607U (en) | 2021-07-27 | 2021-07-27 | Palatal side micro-implant implantation guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121722797.8U CN215839607U (en) | 2021-07-27 | 2021-07-27 | Palatal side micro-implant implantation guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215839607U true CN215839607U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121722797.8U Active CN215839607U (en) | 2021-07-27 | 2021-07-27 | Palatal side micro-implant implantation guide plate |
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| Country | Link |
|---|---|
| CN (1) | CN215839607U (en) |
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2021
- 2021-07-27 CN CN202121722797.8U patent/CN215839607U/en active Active
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