CN112914757B - Root tip operation guide plate and manufacturing method thereof - Google Patents
Root tip operation guide plate and manufacturing method thereof Download PDFInfo
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- CN112914757B CN112914757B CN202110219159.2A CN202110219159A CN112914757B CN 112914757 B CN112914757 B CN 112914757B CN 202110219159 A CN202110219159 A CN 202110219159A CN 112914757 B CN112914757 B CN 112914757B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
- A61C5/44—Means for controlling working depth, e.g. supports or boxes with depth-gauging means, stop positioners or files with adjustably-mounted handles
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- Oral & Maxillofacial Surgery (AREA)
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a root tip surgical guide plate and a manufacturing method thereof, wherein the root tip surgical guide plate can simultaneously indicate a root tip cutting range and a soft tissue incision, and comprises a tooth supporting part, a root cutting guide plate part and an incision guide plate part, wherein the tooth supporting part, the root cutting guide plate part and the incision guide plate part are detachably connected, and the tooth supporting part is respectively connected with the root cutting guide plate part and the incision guide plate part through connecting parts. The digital root tip surgical guide plate and the manufacturing method thereof provided by the invention can accurately guide the incision position and the root cutting area position at the same time, and reduce surgical trauma; the detachable design is adopted, so that the guide plate can be attached to bone tissues for accurate guidance, and the guide plate has application advantages particularly when a plurality of anterior tooth apices are operated or the anterior tooth root is undercut.
Description
Technical Field
The invention belongs to the field of oral medical instruments, and particularly relates to a root tip surgical guide plate capable of indicating a root tip excision range and a soft tissue incision simultaneously and a digital manufacturing method thereof.
Background
The apical operation treatment can save the difficult-to-heal apicitis after a large amount of conventional root canal treatment or the affected teeth which have the stump restoration and are difficult to implement root canal retreatment. However, when multiple affected teeth require apical surgical treatment, especially in the aesthetic region of anterior teeth, two major problems often exist: 1) due to factors such as incision design and large flap turning area, the appearance of the soft tissues of the front teeth is affected by the problems of postoperative gingival scar or gingival margin, bad gingival papilla form and the like; 2) it is difficult to accurately judge the respective range of root cutting and bone removal of a plurality of affected teeth, and the trauma of the operation to the hard tissue is increased.
The existing root tip operation guide plate (including a digital root tip operation guide plate) can locate the position of the root tip lesion, but has the following three problems: 1) lack of a soft tissue guide indicating the location of the incision; 2) indicating that the part of the root tip which is cut off is away from the bone surface, and realizing accurate guidance through the design of fitting with bone tissues; 3) the guide plate is not suitable for the situation that the tooth root part has a large undercut, and the guide plate cannot be worn in the situation.
How to instruct the soft tissue incision through root tip operation baffle to make baffle and the accurate root tip excision scope of guiding of osseous tissue laminating, reduce the soft and hard tissue wound of many sick tooth root tip operations, realize wicresoft, accurate root tip operation is the technical problem that needs to solve at present.
Disclosure of Invention
In order to solve at least one of the above technical problems, the present invention provides a tip surgical guide and a digital manufacturing method thereof, wherein the tip surgical guide is capable of simultaneously indicating the range of a soft tissue incision and the range of a tip excision, and is detachably attached to soft and hard tissues even if an undercut exists in a diseased tooth root, so as to simultaneously and accurately guide the incision position and the position of a root incision area and reduce surgical trauma.
In order to at least achieve one of the above purposes, the invention adopts the technical scheme that:
the invention provides a root tip surgical guide plate which can indicate the soft tissue incision and the root tip excision range simultaneously and comprises a tooth supporting part, a root cutting guide plate part and an incision guide plate part, wherein the tooth supporting part, the root cutting guide plate part and the incision guide plate part are detachably connected, and the tooth supporting part is respectively connected with the root cutting guide plate part and the incision guide plate part through connecting parts.
Furthermore, the tooth supporting part comprises a tooth supporting guide plate and a first connecting part, two ends of the tooth supporting guide plate are respectively provided with an observation hole, and the first connecting part is arranged above the tooth supporting guide plate.
Further, the root cutting guide plate part comprises a root cutting guide plate and a second connecting part, a root cutting indication area is arranged above the root cutting guide plate, and the second connecting part is arranged below the root cutting guide plate.
Further, the root cutting indication area is of a trapezoidal hollow structure.
Furthermore, the first connecting part and the second connecting part can be mutually inserted.
Furthermore, the incision guide plate part comprises an incision guide plate and a third connecting part, and the incision guide plate is mutually inserted into the first connecting part of the tooth supporting part through the third connecting part.
The manufacturing method of the digital root tip surgical guide plate comprises the following steps:
step 1) intraoral 3D optical scanning: obtaining accurate dentition and gum three-dimensional data of a patient;
step 2) photographing a surgical area CBCT: obtaining accurate three-dimensional data of bone tissues and tooth roots;
step 3) registering the dentition and gum three-dimensional data obtained in the step 1) with the CBCT data obtained in the step 2);
step 4) designing a tooth supporting part of the root tip surgical guide plate according to the dentition and gum three-dimensional data in the step 1);
step 5) designing a root cutting guide plate part of the root tip operation guide plate according to the bone tissue and tooth root three-dimensional data in the step 2);
step 6) designing an incision guide plate part of the root tip operation guide plate according to the dentition and gum three-dimensional data and the operation incision position in the step 1);
and 7) designing a connecting part of the tooth supporting part, the root cutting guide plate part and the notch guide plate part.
Further, the tooth support part of the apical operating guide designed in the step 4) is formed by generating a tooth support guide according to the affected tooth and 1-2 adjacent teeth on both sides of the affected tooth, and observing the fitting degree of the tooth support guide and the tooth surface through the observation hole to confirm the positioning of the tooth support guide.
Further, the root cutting guide plate part of the root tip operation guide plate designed in the step 5) is formed into a trapezoidal hollow structure through the position of the affected tooth root tip of the CBCT in the step 2), the short side of the trapezoid is the position of the affected tooth root tip, the long side of the trapezoid is the position of the root cutting 3mm below the root tip, and the trapezoidal hollow structure is used for reserving space for the machine needle and accurately indicating the range of the root cutting and the bone removal.
Further, the incision guide plate part of the root tip surgical guide plate designed in the step 6) is designed by using intraoral 3D optical scanning data to design an incision position, so that scar of soft tissue is reduced, a gingival papilla is reserved as a design principle, and the incision guide plate is formed with the purpose of maintaining the gingival beauty of an anterior tooth aesthetic region.
Compared with the prior art, the root tip operation guide plate and the digital manufacturing method thereof provided by the invention have the beneficial effects that:
1) the incision position and the excision range of the root tip can be indicated simultaneously, the soft tissue trauma and the gingival scar are reduced, and the method has obvious advantages particularly in the incision design of an anterior tooth aesthetic region;
2) the root cutting guide plate part is attached to the bone surface, the range of root cutting and bone removal is accurately guided, only pathological tissues are removed, and healthy hard tissues are reserved to the maximum extent;
3) the root tip operation guide plate adopts detachable connection among all parts, and can be smoothly worn in and kept attached to soft and hard tissues when the affected root of a tooth has large undercut; the incision guide plate part and the root cutting guide plate part are respectively connected with the same tooth supporting part through the connecting parts, so that the operation is simple and convenient, and the manufacturing cost is saved.
In a word, the invention provides the detachable root tip operation guide plate capable of accurately guiding the incision position and the root tip cutting range and the digital manufacturing method thereof, and the digital manufacturing method has wide application prospect.
Drawings
FIG. 1 is a schematic view of a tooth supporting portion and a root cutting guide plate portion according to the present invention;
FIG. 2 is a schematic diagram of the root cutting guide of the present invention;
FIG. 3 is a schematic view of the structure of the tooth supporting portion and the incision guide portion according to the present invention;
FIG. 4 is a schematic design diagram of the notch guide of the present invention;
FIG. 5 is a schematic view of a tooth support portion according to the present invention;
FIG. 6 is a bottom view of FIG. 5;
the dental implant comprises a tooth supporting part 1, a root cutting guide plate part 2, a cut-off guide plate part 3, a tooth supporting guide plate 1-1, a connecting part I1-2, an observation hole 1-3, a root cutting guide plate 2-1, a connecting part II 2-3, a root cutting indication area 2-3, a cut-off guide plate 3-1 and a connecting part III 3-2.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to specific examples. Note that the following described embodiments are illustrative only for explaining the present invention, and are not to be construed as limiting the present invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection or electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The digital root tip surgical guide plate and the manufacturing method thereof provided by the invention will be described in detail by specific embodiments as follows:
as shown in fig. 1 to 6, the digital guide plate for a root tip operation, which is provided by the present invention, can indicate a range of cutting a root tip and a soft tissue incision at the same time, includes a tooth support portion 1, an incised root guide plate portion 2, and an incised root guide plate portion 3, wherein the tooth support portion 1, the incised root guide plate portion 2, and the incised root guide plate portion 3 are detachably connected, and the tooth support portion 1 is connected to the incised root guide plate portion 2 and the incised root guide plate portion 3 through connecting portions, respectively.
The tooth supporting part 1 comprises a tooth supporting guide plate 1-1 and a connecting part I1-2, wherein two ends of the tooth supporting guide plate 1-1 are respectively provided with an observation hole 1-3, and the connecting part I1-2 is arranged above the tooth supporting guide plate 1-1.
The root cutting guide plate part 2 comprises a root cutting guide plate 2-1 and a connecting part II 2-2, wherein a root cutting indicating area 2-3 is arranged above the root cutting guide plate 2-1, the root cutting indicating area 2-3 is of a trapezoidal hollow structure, the connecting part II 2-2 is arranged below the root cutting guide plate 2-1, and the connecting part II 2-2 and the connecting part I1-2 can be mutually inserted.
The incision guide plate portion 3 according to the present invention includes an incision guide plate 3-1 and a connection portion three 3-2, and the incision guide plate 3-1 is inserted into the connection portion one 1-2 of the tooth support portion 1 through the connection portion three 3-2.
In the use process, the incision guide plate part 3 and the root cutting guide plate part 2 are inserted on the tooth supporting part 1 in a time sharing mode, in the operation, the incision guide plate part 3 is firstly inserted on the tooth supporting part 1, and then the root cutting guide plate part 2 is inserted on the tooth supporting part 1.
The manufacturing method of the digital root tip surgical guide plate comprises the following steps:
step 1) intraoral 3D optical scanning: obtaining accurate dentition and gum three-dimensional data of a patient;
step 2) photographing a surgical area CBCT: obtaining accurate three-dimensional data of bone tissues and tooth roots;
step 3) registering the dentition and gum three-dimensional data obtained in the step 1) with the CBCT data obtained in the step 2);
step 4) designing a tooth supporting part of the root tip operation guide plate according to the dentition and gum three-dimensional data in the step 1), generating a tooth supporting guide plate according to the affected tooth and 1-2 adjacent teeth on two sides of the affected tooth respectively, and observing the fitting degree of the tooth supporting guide plate and the tooth surface through an observation hole to confirm that the tooth supporting guide plate is in place;
step 5) forming a trapezoidal hollow structure according to the position of the affected tooth root tip of the CBCT in the step 2), wherein the short side of the trapezoid is the position of the affected tooth root tip, the long side of the trapezoid is the position of a root cutting part 3mm below the root tip, and the trapezoidal hollow structure is used for reserving space for a machine needle and accurately indicating the ranges of the root cutting and bone removal;
step 6) designing an incision guide plate part of the apical operation guide plate according to the dentition and gum three-dimensional data and the operation incision position in the step 1), wherein the incision position is designed through intraoral 3D optical scanning data, the soft tissue scar is reduced, the gum nipple is reserved as a design principle, and the incision guide plate is formed with the purpose of maintaining the gum beauty of the anterior tooth aesthetic region;
and 7) designing a connecting part of the tooth supporting part, the root cutting guide plate part and the notch guide plate part.
Compared with the prior art, the root tip operation guide plate and the digital manufacturing method thereof provided by the invention have the beneficial effects that:
1) the incision position and the excision range of the root tip can be indicated simultaneously, the soft tissue trauma and the gingival scar are reduced, and the method has obvious advantages particularly in the incision design of an anterior tooth aesthetic region;
2) the root cutting guide plate part is attached to the bone surface, the range of root cutting and bone removal is accurately guided, only pathological tissues are removed, and healthy hard tissues are reserved to the maximum extent;
3) the root tip operation guide plate adopts detachable connection among all parts, and can be smoothly worn in and kept attached to soft and hard tissues when the affected root of a tooth has large undercut; the incision guide plate part and the root cutting guide plate part are respectively connected with the same tooth supporting part through the connecting parts, so that the operation is simple and convenient, and the manufacturing cost is saved.
In a word, the invention provides the digital root tip operation guide plate which is detachable and can accurately guide the position of the incision and the position of the osteotomy area and the manufacturing method thereof, and the digital root tip operation guide plate has wide application prospect.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Claims (7)
1. A root tip operation guide plate is characterized in that the root tip operation guide plate can indicate a root tip cutting range and a soft tissue incision at the same time and comprises a tooth supporting part, a root cutting guide plate part and an incision guide plate part, wherein the tooth supporting part, the root cutting guide plate part and the incision guide plate part are detachably connected, and the tooth supporting part is respectively connected with the root cutting guide plate part and the incision guide plate part through connecting parts;
the root tip operation guide plate adopts a digital manufacturing method and comprises the following steps:
step 1) intraoral 3D optical scanning: obtaining accurate dentition and gum three-dimensional data of a patient;
step 2) photographing a surgical area CBCT: obtaining accurate three-dimensional data of bone tissues and tooth roots;
step 3) registering the dentition and gum three-dimensional data obtained in the step 1) with the CBCT data obtained in the step 2);
step 4) designing a tooth supporting part of the root tip surgical guide plate according to the dentition and gum three-dimensional data in the step 1);
step 5) designing a root cutting guide plate part of the root tip operation guide plate according to the bone tissue and tooth root three-dimensional data in the step 2);
step 6) designing an incision guide plate part of the root tip operation guide plate according to the dentition and gum three-dimensional data and the operation incision position in the step 1);
step 7) designing a connecting part of the tooth supporting part, the root cutting guide plate part and the notch guide plate part;
the root cutting guide plate part of the root tip operation guide plate designed in the step 5) guides the position of the tooth root under the root tip by 3mm and the position of the root tip of the affected tooth through CBCT data to form a trapezoidal hollow structure, the wider bottom of the trapezoid is a remaining space of a machine needle, and the ranges of bone removal and root cutting are accurately indicated;
the incision guide plate part of the root tip operation guide plate designed in the step 6) is designed to be an incision position through intraoral 3D optical scanning data, so that scar of soft tissue is reduced, a gingival papilla is reserved as a design principle, and the incision guide plate is formed with the purpose of maintaining the gingival attractiveness of an anterior tooth aesthetic region.
2. The guide plate for the apical operation according to claim 1, wherein the tooth support portion comprises a first tooth support guide plate and a first connecting portion, the first connecting portion is provided above the first tooth support guide plate, and the first tooth support guide plate has observation holes formed at both ends thereof.
3. The root tip surgical guide of claim 2, wherein the root cutting guide portion comprises a root cutting guide and a second connecting portion, wherein a root cutting indication area is disposed above the root cutting guide, and the second connecting portion is disposed below the root cutting guide.
4. The root tip surgical guide of claim 3, wherein the section indicator is a trapezoidal hollow structure.
5. The root tip surgical guide of claim 4, wherein the first connector and the second connector are insertable into one another.
6. The root tip surgical guide of claim 5, wherein the incision guide portion includes an incision guide and a third connecting portion, the incision guide being inserted into the first connecting portion of the tooth support portion through the third connecting portion.
7. The guide plate for apical operation according to claim 1, wherein the tooth support portion of the guide plate for apical operation in step 4) is formed by forming a tooth support guide plate from the affected tooth and 1-2 adjacent teeth on both sides of the affected tooth, and observing the degree of fit between the tooth support guide plate and the tooth surface through the observation hole to confirm the positioning of the tooth support guide plate.
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| CN202110219159.2A CN112914757B (en) | 2021-02-26 | 2021-02-26 | Root tip operation guide plate and manufacturing method thereof |
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| CN112914757B true CN112914757B (en) | 2021-12-14 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107669355A (en) * | 2017-09-19 | 2018-02-09 | 广州医科大学附属口腔医院（广州医科大学羊城医院） | A kind of tip of a root surgical operation guide plate |
| CN111658195A (en) * | 2020-06-19 | 2020-09-15 | 刘春煦 | Multifunctional tray for dental implantation double-scanning matching and jaw position recording and use method |
| CN112057132A (en) * | 2020-10-13 | 2020-12-11 | 四川大学 | In-situ bone taking and grafting indication guide plate in horizontal bone augmentation and manufacturing method thereof |
| CN112057191A (en) * | 2020-10-13 | 2020-12-11 | 四川大学 | Maxillary sinus lifting side wall windowing indication guide plate and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661151B (en) * | 2017-09-19 | 2020-09-01 | 广州医科大学附属口腔医院（广州医科大学羊城医院） | Knife-cutting type digital root tip surgical guide plate and application thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107669355A (en) * | 2017-09-19 | 2018-02-09 | 广州医科大学附属口腔医院（广州医科大学羊城医院） | A kind of tip of a root surgical operation guide plate |
| CN111658195A (en) * | 2020-06-19 | 2020-09-15 | 刘春煦 | Multifunctional tray for dental implantation double-scanning matching and jaw position recording and use method |
| CN112057132A (en) * | 2020-10-13 | 2020-12-11 | 四川大学 | In-situ bone taking and grafting indication guide plate in horizontal bone augmentation and manufacturing method thereof |
| CN112057191A (en) * | 2020-10-13 | 2020-12-11 | 四川大学 | Maxillary sinus lifting side wall windowing indication guide plate and manufacturing method thereof |
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