CN111772828A - Method for manufacturing guiding device for gum forming and alveolar bone trimming operation and guiding device - Google Patents
Method for manufacturing guiding device for gum forming and alveolar bone trimming operation and guiding device Download PDFInfo
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- CN111772828A CN111772828A CN202010661436.0A CN202010661436A CN111772828A CN 111772828 A CN111772828 A CN 111772828A CN 202010661436 A CN202010661436 A CN 202010661436A CN 111772828 A CN111772828 A CN 111772828A
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- gum
- alveolar bone
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- guiding
- arc surface
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00792—Plastic surgery
Abstract
The invention discloses a method for manufacturing a guiding device for gum shaping and alveolar bone trimming operations, which comprises the following steps of establishing a digital model of a patient; cutting off redundant gingiva in the digital model of the patient, and forming a molded gingiva outline; constructing a model of the dental-support type retention device; forming a gum forming guide arc surface; establishing an alveolar bone restoration guiding arc surface and cutting off a root part along the alveolar bone restoration guiding arc surface; a guiding device is generated. The invention also discloses a guiding device for the gum forming and alveolar bone trimming operation. The invention discloses a method for manufacturing a gingival forming and alveolar bone trimming operation guide device and the guide device, and provides a novel tooth preparation operation guide plate which is manufactured by performing gingival carving and forming in a computer, then modeling and 3D printing the operation guide device, guiding a gingival forming operation and an alveolar bone trimming operation through the device and combining digital design and 3D printing so as to guide the clinical tooth preparation operation process.
Description
Technical Field
The invention relates to a dental cosmetic surgery technology, in particular to a method for manufacturing a guiding device for a gum forming and alveolar bone trimming surgery and a guiding device.
Background
The morphology and contour of the gums is an important component of oral medical aesthetics, and more patients are focusing on parts other than teeth, such as the gums. The gingival is too low, so that too much gingiva is exposed when smiling, and the exposure of the dental crown is insufficient, so that the gingival shaping operation is a great indication at present. Meanwhile, the periodontal biological width of 2.04mm also puts forward a requirement on the mutual position of the alveolar bone and the gum, namely, the distance from the combined epithelium of the gum to the crest top is about 2.04mm, if the distance is not enough, the periodontal disease risk exists, inflammation is caused, the alveolar bone is absorbed, the periodontal ligament is damaged, and the like, so that when gum reshaping is carried out, the alveolar bone is also indispensable, and therefore, the gum shaping operation and the alveolar bone trimming operation need to be carried out simultaneously.
At present, gum forming operation is basically to complete gum excision by hands through doctor experience, and alveolar bones are abraded through experience, so that the problems of high technical sensitivity, poor accuracy, overlong operation time, unsatisfactory operation effect and the like are caused.
Disclosure of Invention
The technical problems to be solved by the invention are that the gum forming operation in the prior art has the problems of high technical sensitivity, poor accuracy, overlong operation time, unsatisfactory operation effect and the like, and the invention aims to provide a method for manufacturing a guiding device and a guiding device for gum forming and alveolar bone trimming operation, and solve the problems.
The invention is realized by the following technical scheme:
the manufacturing method of the guiding device for the gum shaping and alveolar bone trimming operation comprises the following steps:
s1: acquiring gum data of a patient and preset gum repairing data, and establishing a digital model of the patient according to the gum data of the patient;
s2: cutting redundant gingiva in the patient digital model according to preset gingiva repairing data, and processing the cut part to form a formed gingiva outline; taking the digital model of the patient after the resection and treatment as a digital initial model;
s3: constructing a model of a dental support type retention device wrapping the gum and teeth of the patient on the digital primary model;
s4: cutting off the coronal part of the tooth-supporting retention device model along the contour of the formed gum to form a gum forming guide arc surface;
s5: establishing an alveolar bone restoration guiding arc surface on the tooth-supported retention device model, wherein the alveolar bone restoration guiding arc surface is positioned at a preset distance from the root of the gum forming guiding arc surface, and the radian of the alveolar bone restoration guiding arc surface is the same as that of the gum forming guiding arc surface; cutting off a root part of the tooth-supporting retention device model along the alveolar bone restoration guide arc surface;
s6: the guiding device is generated from a model of the dental supporting fixture from which the coronal portion and the root portion are cut.
When the method is applied, firstly, a patient digital model is required to be modeled, the model can be built through the gum data of the patient, meanwhile, the gum repairing data is required to be preset according to the condition of the patient, and the gum repairing data mainly comprises the range of the gum to be cut. And then correspondingly cutting off the gingiva on the patient digital model according to the gingiva repairing data, wherein the patient digital model after the corresponding gingiva is cut off and processed is a digital initial model, and the molded gingiva outline actually corresponds to the gingiva condition of the patient after the relevant operation is completed.
The inventor finds in scientific practice that two parts, namely gingiva and alveolar bone, need to be repaired in one-time gingival shaping and alveolar bone repairing operations, so the inventor creatively models the alveolar bone repair guide arc surface and the gingival shaping guide arc surface in a mode of applying the alveolar bone repair guide arc surface to a guide plate, wherein the gingival shaping guide arc surface is arranged based on a gingival contour in the digital primary model, and the alveolar bone repair guide arc surface is arranged based on the gingival shaping guide arc surface, so that when the two parts are integrated on the same guide device, the operation is convenient, and the periodontal biological requirements are met. In the present invention, the coronal portion is cut out in a coronal direction along a gingival contour, and the radicular portion is cut out in a root direction along the alveolar bone restoration guide arc.
And finally, performing materialization production on the tooth-supported retention device model subjected to resection, wherein the materialization production mode comprises but is not limited to 3D printing, laser cutting and the like. The invention provides a novel dental preparation operation guide plate which is manufactured by carrying out gum sculpting molding in a computer, then modeling and 3D printing operation guiding devices, guiding gum molding operation and alveolar bone finishing operation through the devices and combining digital design and 3D printing so as to guide the clinical dental preparation operation process.
Further, step S2 includes the following sub-steps:
and carrying out subtraction processing on the patient digital model according to preset gum repairing data to subtract redundant gums.
Further, step S2 includes the following sub-steps:
and forming a preset radian as a molded gum contour by using the smooth treatment of the grid on the cut part.
Further, the preset distance is greater than the periodontal biological width in step S5.
Furthermore, the preset distance is 2.5-4 mm.
Further, step S6 includes the following sub-steps:
the dental support type retention device model from which the coronal portion and the radicular portion are cut out is generated as a guide device by 3D printing.
The guiding device for the gum forming and alveolar bone trimming operation is manufactured by adopting the manufacturing method of the guiding device for the gum forming and alveolar bone trimming operation.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention discloses a method for manufacturing a gingival forming and alveolar bone trimming operation guide device and the guide device, and provides a novel tooth preparation operation guide plate which is manufactured by performing gingival carving and forming in a computer, then modeling and 3D printing the operation guide device, guiding a gingival forming operation and an alveolar bone trimming operation through the device and combining digital design and 3D printing so as to guide the clinical tooth preparation operation process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic diagram of the process steps of the present invention;
FIG. 2 is a schematic view of the virtual gum sculpting process of the present invention;
FIG. 3 is a schematic view of the construction of the dental supporting retention device of the present invention;
FIG. 4 is a schematic view of the present invention cutting along the gingival contour in the coronal direction to form a gingival contour guiding arc;
FIG. 5 is a schematic view of a cutting guide arc for cutting alveolar bone;
FIG. 6 is a schematic view of the structure of the guiding device of the present invention;
FIG. 7 is a schematic view of the structure of the guiding device of the present invention.
Reference numbers and corresponding part names in the drawings:
1-guiding device, 2-alveolar bone restoration guiding arc surface and 3-gum forming guiding arc surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
As shown in FIGS. 1 to 7, the method for manufacturing a guiding device for a gum shaping and alveolar bone trimming operation of the present invention comprises the steps of:
s1: acquiring gum data of a patient and preset gum repairing data, and establishing a digital model of the patient according to the gum data of the patient;
s2: cutting redundant gingiva in the patient digital model according to preset gingiva repairing data, and processing the cut part to form a formed gingiva outline; taking the digital model of the patient after the resection and treatment as a digital initial model;
s3: constructing a model of a dental support type retention device wrapping the gum and teeth of the patient on the digital primary model;
s4: cutting off the coronal part of the tooth-supporting retention device model along the contour of the formed gum to form a gum forming guide arc surface 3;
s5: establishing an alveolar bone restoration guiding arc surface 2 on the tooth-supported retention device model, wherein the alveolar bone restoration guiding arc surface 2 is positioned at a preset distance from 3 sides of the gum forming guiding arc surface, and the radian of the alveolar bone restoration guiding arc surface 2 is the same as that of the gum forming guiding arc surface 3; cutting off a root part of the tooth-supporting retention device model along the alveolar bone restoration guiding arc surface 2;
s6: the guide device 1 is generated from a model of the dental support fixture from which the coronal portion and the root portion are cut.
When the embodiment is implemented, firstly, a patient digital model needs to be modeled, model building can be carried out through gum data of the patient, meanwhile, gum repairing data needs to be preset according to the condition of the patient, and the gum repairing data mainly comprises a range in which gum needs to be cut. And then correspondingly cutting off the gingiva on the patient digital model according to the gingiva repairing data, wherein the patient digital model after the corresponding gingiva is cut off and processed is a digital initial model, and the molded gingiva outline actually corresponds to the gingiva condition of the patient after the relevant operation is completed.
The inventor finds in scientific practice that two parts, namely gingiva and alveolar bone, need to be repaired in one-time gingival shaping and alveolar bone repairing operations, so the inventor creatively models the alveolar bone repair guide arc surface and the gingival shaping guide arc surface in a mode of applying the alveolar bone repair guide arc surface to a guide plate, wherein the gingival shaping guide arc surface is arranged based on a gingival contour in the digital primary model, and the alveolar bone repair guide arc surface is arranged based on the gingival shaping guide arc surface, so that when the two parts are integrated on the same guide device, the operation is convenient, and the periodontal biological requirements are met. In the present invention, the coronal portion is cut out in a coronal direction along a gingival contour, and the radicular portion is cut out in a root direction along the alveolar bone restoration guide arc.
To further explain the operation of the present embodiment, step S2 includes the following sub-steps:
and carrying out subtraction processing on the patient digital model according to preset gum repairing data to subtract redundant gums.
To further explain the operation of the present embodiment, step S2 includes the following sub-steps:
and forming a preset radian as a molded gum contour by using the smooth treatment of the grid on the cut part.
To further illustrate the operation of this embodiment, the predetermined distance is greater than the periodontal biological width in step S5.
For further explaining the working process of the embodiment, the preset distance is 2.5-4 mm.
To further explain the operation of the present embodiment, step S6 includes the following sub-steps:
the dental support type retention device model from which the coronal portion and the radicular portion are cut out is generated as the guide device 1 by 3D printing.
The invention relates to a gingiva shaping and alveolar bone trimming operation guiding device, which is manufactured by adopting the manufacturing method of the gingiva shaping and alveolar bone trimming operation guiding device.
To further explain the working process of the embodiment, the steps when the embodiment is implemented specifically include:
1. forming and carving the virtual gum: after the digital model of the patient is obtained, the two middle incisor gingiva are carved and smoothed to form better height and outline. As shown in fig. 2.
2. Modeling of a dental-support retention device: the initial digital prototype is used as a base, a tooth supporting guide plate is designed on the initial digital prototype to be used as a retention device, and the tooth supporting guide plate extends to 3 healthy natural teeth outside the two sides of a repair target tooth. As shown in fig. 3.
3. Forming a gum forming guide arc surface: and cutting off the tooth-supporting retention device on the model after the gum molding along the molded gum contour, cutting off the part in the coronal direction, and forming an arc surface facing the coronal direction of the gum molding. As shown in fig. 4.
4. Forming an alveolar bone trimming guide arc surface: further cutting off the tooth-supporting retention device, cutting off the root part along the 3mm position on the gum forming guide arc surface with the same radian, and forming the root part arc surface for trimming the alveolar bone. As shown in fig. 5.
5.3D printing and forming, wherein the printing cost is shown in figures 6 and 7.
To further illustrate the working process of this embodiment, the using process of the specific product of this embodiment is as follows:
1. clinical trial wearing: the guide 1 is worn into the mouth, confirming complete seating.
2. Gum cutting and forming: and (4) cutting off the redundant gum along the coronal slope of the guiding device by using a scalpel.
3. Trimming alveolar bone: marking the root slope profile of the guide device, taking down the guide device, and grinding out alveolar bone within the marking range by using a drill point.
The beneficial effects that can produce in this embodiment are as follows:
1. precise shaping and trimming of the gums and alveolar bones, including guidance of the amount of removal, the shape and contour of the shaping, is achieved.
2. In virtual gum carving and forming, the model has the characteristics of repeatability, high visibility and high operability, and can be modified for infinite times in a computer until the model is satisfied or the optimal effect is achieved.
3. The doctor can liberate the brain completely when actually performing the operation, directly amputates the gum and grinds out the alveolar bone according to the radian and the outline of the guiding device, greatly saves the clinical workload and the time of a patient, and greatly reduces the difficulty of clinical operation.
4. In the virtual gum carving process, the digital measurement can be utilized to carry out section processing on different surfaces and angles, and then the cut-off amount can be accurately measured.
5. When the gum is cut off and shaped, the alveolar bone is trimmed and abraded, and the periodontal biological principle is met.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The manufacturing method of the guiding device for the gum forming and alveolar bone trimming operation is characterized by comprising the following steps of:
s1: acquiring gum data of a patient and preset gum repairing data, and establishing a digital model of the patient according to the gum data of the patient;
s2: cutting redundant gingiva in the patient digital model according to preset gingiva repairing data, and processing the cut part to form a formed gingiva outline; taking the digital model of the patient after the resection and treatment as a digital initial model;
s3: constructing a model of a dental support type retention device wrapping the gum and teeth of the patient on the digital primary model;
s4: cutting off the coronal part of the tooth-supporting retention device model along the contour of the molded gum to form a gum molding guiding arc surface (3);
s5: establishing an alveolar bone restoration guiding arc surface (2) on a tooth-supported retention device model, wherein the alveolar bone restoration guiding arc surface (2) is positioned at a preset distance from the root of the gum forming guiding arc surface (3), and the radian of the alveolar bone restoration guiding arc surface (2) is the same as that of the gum forming guiding arc surface (3); cutting off a root part of the tooth-supporting retention device model along the alveolar bone restoration guide arc surface (2);
s6: a guide device (1) is created from a model of a dental supporting fixture from which a coronal portion and an apical portion are cut.
2. The method for manufacturing a surgical guiding apparatus for gingival shaping and alveolar bone contouring according to claim 1, wherein the step S2 comprises the sub-steps of:
and carrying out subtraction processing on the patient digital model according to preset gum repairing data to subtract redundant gums.
3. The method for manufacturing a surgical guiding apparatus for gingival shaping and alveolar bone contouring according to claim 1, wherein the step S2 comprises the sub-steps of:
and forming a preset radian as a molded gum contour by using the smooth treatment of the grid on the cut part.
4. The method for manufacturing a guide device for gum shaping and alveolar bone contouring surgery of claim 1, wherein the predetermined distance is greater than the periodontal biological width in step S5.
5. The method for manufacturing a guiding device for gum shaping and alveolar bone contouring surgery of claim 4, wherein the predetermined distance is 2.5 to 4 mm.
6. The method for manufacturing a surgical guiding apparatus for gingival shaping and alveolar bone contouring according to claim 1, wherein the step S6 comprises the sub-steps of:
a dental-support type retention device model from which a coronal portion and a root portion are cut out is generated as a guide device (1) by 3D printing.
7. A guide device for a gum shaping and alveolar bone correction surgery, which is manufactured by the method of manufacturing a guide device for a gum shaping and alveolar bone correction surgery according to any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010661436.0A CN111772828A (en) | 2020-07-10 | 2020-07-10 | Method for manufacturing guiding device for gum forming and alveolar bone trimming operation and guiding device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010661436.0A CN111772828A (en) | 2020-07-10 | 2020-07-10 | Method for manufacturing guiding device for gum forming and alveolar bone trimming operation and guiding device |
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| CN111772828A true CN111772828A (en) | 2020-10-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112386350A (en) * | 2020-11-30 | 2021-02-23 | 四川大学 | Digital metal gum wall lifting guide plate and manufacturing method thereof |
| CN113288468A (en) * | 2021-05-31 | 2021-08-24 | 北京大学口腔医学院 | Gum radian shaping device and preparation method thereof |
| CN117547367A (en) * | 2024-01-10 | 2024-02-13 | 上海交通大学医学院附属第九人民医院 | Dental prosthesis design system |
| CN117547367B (en) * | 2024-01-10 | 2024-04-30 | 上海交通大学医学院附属第九人民医院 | Dental prosthesis design system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112386350A (en) * | 2020-11-30 | 2021-02-23 | 四川大学 | Digital metal gum wall lifting guide plate and manufacturing method thereof |
| CN112386350B (en) * | 2020-11-30 | 2021-08-24 | 四川大学 | Digital metal gum wall lifting guide plate and manufacturing method thereof |
| CN113288468A (en) * | 2021-05-31 | 2021-08-24 | 北京大学口腔医学院 | Gum radian shaping device and preparation method thereof |
| CN113288468B (en) * | 2021-05-31 | 2022-03-18 | 北京大学口腔医学院 | Gum radian shaping device and preparation method thereof |
| CN117547367A (en) * | 2024-01-10 | 2024-02-13 | 上海交通大学医学院附属第九人民医院 | Dental prosthesis design system |
| CN117547367B (en) * | 2024-01-10 | 2024-04-30 | 上海交通大学医学院附属第九人民医院 | Dental prosthesis design system |
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Application publication date: 20201016 |