CN113413224A - Novel porous antibacterial implant based on 3D printing technology and manufacturing method thereof - Google Patents
Novel porous antibacterial implant based on 3D printing technology and manufacturing method thereof Download PDFInfo
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- CN113413224A CN113413224A CN202110684808.6A CN202110684808A CN113413224A CN 113413224 A CN113413224 A CN 113413224A CN 202110684808 A CN202110684808 A CN 202110684808A CN 113413224 A CN113413224 A CN 113413224A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
- A61C13/0019—Production methods using three dimensional printing
Abstract
The invention relates to the technical field of artificial implant production and implant products, and discloses a novel porous antibacterial implant based on a 3D printing technology, wherein the lower surface of a dental crown is fixedly connected with a machine table, the lower surface of the machine table is fixedly connected with a fixed shaft, the lower surface of the machine table is fixedly connected with a dental root, the surface of the dental root is provided with a thread groove, the inner part of the dental root is provided with a hollow hole, Ti-Cu alloy is adopted as a product raw material, the implant has good biocompatibility and a certain antibacterial effect, the strength of the implant also meets the daily use requirement, the metal 3D printing technology is used for realizing the processing and forming of the complex structure in the implant, the function and performance requirements are met, so that the cost is lower compared with the traditional implant, the implant is attractive and comfortable, the face is more natural when speaking compared with the traditional artificial tooth, a more brilliant effect of smile.
Description
Technical Field
The invention relates to the technical field of artificial implant production and implant products, in particular to a novel porous antibacterial implant based on a 3D printing technology and a manufacturing method thereof.
Background
The artificial dental implant is a cylindrical or other shape similar to a tooth root which is manufactured by precisely designing metals such as pure titanium and the like with high compatibility with human bone or other materials in a medical mode, is implanted into an alveolar bone of an edentulous area in a surgical mode, and is manufactured into a porcelain artificial tooth on the artificial tooth root after 1-6 months when the artificial tooth root is tightly fit with the alveolar bone, so that the artificial dental implant is recognized as a preferred repairing mode of the edentulous by the dental medical community because of no destructiveness;
in the use process of the existing artificial dental implant, because the oral material products with high technical content in China basically depend on import at present, the products imported abroad are high in price and can not be popularized, and the domestic products can not meet basic clinical requirements in scientific research, equipment, technology and process as well as clinical application, so that the development and popularization of oral medicine are greatly limited, and the rapid increase of oral medical requirements can not be met, so that the development of the artificial dental implant which is beautiful and comfortable and has moderate price is urgently needed.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a novel porous antibacterial implant based on 3D printing technology and a method for manufacturing the same, which have the advantages of lower price compared to the conventional implant, beautiful and comfortable appearance similar to natural teeth, more natural facial expression during speaking and more brilliant smile compared to wearing the conventional denture.
The invention adopts the following technical scheme for realizing the technical purpose: novel porous antibiotic implant based on 3D printing technique, including the dental crown, the lower fixed surface of dental crown is connected with the board, the lower fixed surface of board is connected with the fixed axle, the lower fixed surface of board is connected with the root of a tooth, the thread groove has been seted up on the surface of root of a tooth, hollow hole has been seted up to the inside of root of a tooth.
As optimization, the volume of the fixed shaft is smaller than that of the tooth root, so that the control capability of the whole device is enhanced to the maximum extent, and the practicability of the whole device is ensured.
As optimization, the surface of the fixing shaft is provided with groove lines which are the same as those of the thread grooves, so that the stability of each component is effectively enhanced, and the supporting force of the whole device is enhanced.
As optimization, the length of the hollow hole is equal to that of the tooth root, and the fixing shaft extends into the hollow hole, so that the flexibility of the whole device is better enhanced, and the use feeling is improved.
As optimization, the fixed shaft is arranged at the center of a circle of the bottom surface of the machine table, the tail end of the fixed shaft is located in the middle of the hollow hole, the using effect of the whole device is effectively enhanced, and the using convenience is improved.
As optimization, the groove lines formed on the surface of the fixing shaft are consistent with the direction formed by the thread grooves, so that the use of the whole device is better protected from being influenced, and the practicality of the operation of the whole device is enhanced.
The processing method of the manufacturing method of the porous antibacterial novel implant based on the 3D printing technology comprises the following specific steps:
s1, when manufacturing, firstly, CT scanning is needed to be carried out on the part of the patient to be planted, and the CT scanning data is stored into DICOM format to be output and is imported into the computer for processing;
and S2, importing the obtained data into three-dimensional reconstruction software, and processing the data by using a computer carrying related software. Making implant by computer aided design, utilizing relevant software to read data to make three-dimensional reconstruction, combining patient information, using computer aided planting design related commercial software to make optimum planting design scheme, finally processing guide plate model data and inputting it into quick forming machine to make machining
S3, then formally manufacturing, wherein in the process, firstly, a worker is required to select TiCu powder suitable for manufacturing the implant, the powder granularity is required to be 15-53 mu m, the laser selective melting forming process parameters are manually set, the laser power is 120W, the working atmosphere is argon, the scanning speed is 800mm/S, the hatch distance is 80 mu m, and the powder layer thickness is 30 mu m;
s4, manually setting a laser scanning mode to enable the diameter of small holes on the surface of the alloy rod to be slightly smaller than the pitch of the threads and to be uniformly and densely distributed between future thread turning areas according to the thread arrangement mode, wherein all samples adopt a bidirectional scanning strategy, and in the bidirectional scanning, laser is arranged on the surface in a Z-shaped pattern to print a concentric cylinder workpiece to be machined, wherein a hole-shaped structure is formed between the inner wall and the outer wall;
s5, inputting parameters and printing corresponding grooves on the alloy bar at intervals of the length of the implant for the implant with a special shape requirement at one end, and then machining the threads with corresponding sizes on a lathe according to the model requirement of the implant;
and S6, performing surface treatment and SLactive coating on the implant by a worker, performing large-particle sand blasting and acid etching treatment on the part where the implant is combined with the bone, and performing SLA treatment on the surface of the implant to form an SLactive coating on the surface of the implant.
The invention has the beneficial effects that: this novel porous antibiotic planting body and manufacturing method based on 3D printing technique adopts Ti-Cu alloy through the product raw materials, has good biocompatibility and has certain bacteriostatic action, its intensity also accords with daily operation requirement, the machine-shaping to planting body inside complex structure has been realized with metal 3D printing technique, function and performance need have been satisfied, thereby it is cheaper to have reached the price and compare in traditional planting tooth, and pleasing to the eye travelling comfort is general like natural tooth, compare with wearing traditional denture, facial expression is more natural when speaking, laughing face is more splendid effect.
Drawings
FIG. 1 is a front view of the overall appearance structure of the present invention;
FIG. 2 is a front view of the overall appearance structure of the present invention.
In the figure: 1-dental crown, 2-machine table, 3-fixed shaft, 4-dental root, 5-thread groove and 6-hollow hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Novel porous antibiotic implant based on 3D printing technique, including the dental crown, the lower surface fixedly connected with board of dental crown, the lower surface fixedly connected with fixed axle of board, the volume of fixed axle is less than the volume of root of a tooth, the same recess line with the thread groove is seted up on the surface of fixed axle, the fixed axle is installed in the bottom surface centre of a circle department of board, and the end of fixed axle is located the intermediate position in hollow hole, the recess line that the fixed axle surface was seted up is unanimous with the direction that the thread groove was seted up, the lower surface fixedly connected with root of a tooth of board, the thread groove has been seted up on the surface of root of a tooth, hollow hole has been seted up to the inside of root of a tooth, the length in hollow hole equals with the length of root of a tooth, and the fixed axle extends into the inside in hollow hole.
The processing method of the manufacturing method of the porous antibacterial novel implant based on the 3D printing technology comprises the following specific steps:
s1, when manufacturing, firstly, CT scanning is needed to be carried out on the part of the patient to be planted, and the CT scanning data is stored into DICOM format to be output and is imported into the computer for processing;
and S2, importing the obtained data into three-dimensional reconstruction software, and processing the data by using a computer carrying related software. Making implant by computer aided design, utilizing relevant software to read data to make three-dimensional reconstruction, combining patient information, using computer aided planting design related commercial software to make optimum planting design scheme, finally processing guide plate model data and inputting it into quick forming machine to make machining
S3, then formally manufacturing, wherein in the process, firstly, a worker is required to select TiCu powder suitable for manufacturing the implant, the powder granularity is required to be 15-53 mu m, the laser selective melting forming process parameters are manually set, the laser power is 120W, the working atmosphere is argon, the scanning speed is 800mm/S, the hatch distance is 80 mu m, and the powder layer thickness is 30 mu m;
s4, manually setting a laser scanning mode to enable the diameter of small holes on the surface of the alloy rod to be slightly smaller than the pitch of the threads and to be uniformly and densely distributed between future thread turning areas according to the thread arrangement mode, wherein all samples adopt a bidirectional scanning strategy, and in the bidirectional scanning, laser is arranged on the surface in a Z-shaped pattern to print a concentric cylinder workpiece to be machined with a hole-shaped structure between the inner wall and the outer wall;
s5, inputting parameters and printing corresponding grooves on the alloy bar at intervals of the length of the implant for the implant with a special shape requirement at one end, and then machining the threads with corresponding sizes on a lathe according to the model requirement of the implant;
and S6, performing surface treatment and SLactive coating on the implant by a worker, performing large-particle sand blasting and acid etching treatment on the part where the implant is combined with the bone, and performing SLA treatment on the surface of the implant to form an SLactive coating on the surface of the implant.
In conclusion, the novel porous antibacterial implant based on the 3D printing technology and the manufacturing method thereof have the advantages that the Ti-Cu alloy is adopted as the raw material of the implant, the implant has good biocompatibility and a certain antibacterial effect, the strength of the implant also meets the daily use requirement, the metal 3D printing technology is used for processing and forming the complex structure inside the implant, and the requirements on function and performance are met, so that the effects that the price is lower compared with that of the traditional implant, the appearance is attractive and the comfort is similar to that of a natural tooth, the face expression is more natural when speaking and the smile is more brilliant when the traditional denture is worn are achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Novel porous antibiotic implant based on 3D printing technique, including dental crown (1), its characterized in that: the dental crown is characterized in that a machine table (2) is fixedly connected to the lower surface of the dental crown (1), a fixed shaft (3) is fixedly connected to the lower surface of the machine table (2), a tooth root (4) is fixedly connected to the lower surface of the machine table (2), a thread groove (5) is formed in the surface of the tooth root (4), and a hollow hole (6) is formed in the tooth root (4).
2. The novel porous antibacterial implant based on 3D printing technology according to claim 1, characterized in that: the volume of the fixed shaft (3) is smaller than that of the tooth root (4).
3. The novel porous antibacterial implant based on 3D printing technology according to claim 1, characterized in that: the surface of the fixed shaft (3) is provided with groove lines which are the same as those of the thread groove (5).
4. The novel porous antibacterial implant based on 3D printing technology according to claim 1, characterized in that: the length of the hollow hole (6) is equal to that of the tooth root (4), and the fixed shaft (3) extends into the hollow hole (6).
5. The novel porous antibacterial implant based on 3D printing technology according to claim 1, characterized in that: the fixed shaft (3) is arranged at the center of the circle of the bottom surface of the machine table (2), and the tail end of the fixed shaft (3) is positioned in the middle of the hollow hole (6).
6. The novel porous antibacterial implant based on 3D printing technology according to claim 1, characterized in that: the groove lines formed on the surface of the fixed shaft (3) are consistent with the direction formed by the thread groove (5).
7. The processing method of the manufacturing method of the novel porous antibacterial implant based on the 3D printing technology according to claim 1 comprises the following specific steps:
s1, when manufacturing, firstly, CT scanning is needed to be carried out on the part of the patient to be planted, and the CT scanning data is stored into DICOM format to be output and is imported into the computer for processing;
and S2, importing the obtained data into three-dimensional reconstruction software, and processing the data by using a computer carrying related software. Manufacturing an implant through computer-aided design, reading data by using related software to perform three-dimensional reconstruction, formulating an optimal implant design scheme by using commercial software related to computer-aided implant design in combination with information of a patient, and finally inputting guide plate model data into a rapid forming machine for processing and manufacturing after processing;
s3, then formally manufacturing, wherein in the process, firstly, a worker is required to select TiCu powder suitable for manufacturing the implant, the powder granularity is required to be 15-53 mu m, the laser selective melting forming process parameters are manually set, the laser power is 120W, the working atmosphere is argon, the scanning speed is 800mm/S, the hatch distance is 80 mu m, and the powder layer thickness is 30 mu m;
s4, manually setting a laser scanning mode to enable the diameter of small holes on the surface of the alloy rod to be slightly smaller than the pitch of the threads and to be uniformly and densely distributed between future thread turning areas according to the thread arrangement mode, wherein all samples adopt a bidirectional scanning strategy, and in the bidirectional scanning, laser is arranged on the surface in a Z-shaped pattern to print a concentric cylinder workpiece to be machined, wherein a hole-shaped structure is formed between the inner wall and the outer wall;
s5, inputting parameters and printing corresponding grooves on the alloy bar at intervals of the length of the implant for the implant with a special shape requirement at one end, and then machining the threads with corresponding sizes on a lathe according to the model requirement of the implant;
and S6, performing surface treatment and SLactive coating on the implant by a worker, performing large-particle sand blasting and acid etching treatment on the part where the implant is combined with the bone, and performing SLA treatment on the surface of the implant to form an SLactive coating on the surface of the implant.
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| CN202110684808.6A CN113413224A (en) | 2021-06-21 | 2021-06-21 | Novel porous antibacterial implant based on 3D printing technology and manufacturing method thereof |
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| CN202110684808.6A CN113413224A (en) | 2021-06-21 | 2021-06-21 | Novel porous antibacterial implant based on 3D printing technology and manufacturing method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055592A (en) * | 2013-08-01 | 2014-09-24 | 广州中国科学院先进技术研究所 | Dental implant and 3D printing preparation method thereof |
| CN105852996A (en) * | 2016-04-28 | 2016-08-17 | 华南理工大学 | Direct manufacturing method of novel self-locking type false tooth body |
| CN109259878A (en) * | 2018-09-28 | 2019-01-25 | 江阴金泰克生物技术有限公司 | One-part form Immediate prosthesis dental implant of copper-bearing antibacterial titanium alloy and preparation method thereof |
| CN110141382A (en) * | 2019-05-29 | 2019-08-20 | 陕西科技大学 | A kind of dental implant and its implantation methods |
-
2021
- 2021-06-21 CN CN202110684808.6A patent/CN113413224A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055592A (en) * | 2013-08-01 | 2014-09-24 | 广州中国科学院先进技术研究所 | Dental implant and 3D printing preparation method thereof |
| CN105852996A (en) * | 2016-04-28 | 2016-08-17 | 华南理工大学 | Direct manufacturing method of novel self-locking type false tooth body |
| CN109259878A (en) * | 2018-09-28 | 2019-01-25 | 江阴金泰克生物技术有限公司 | One-part form Immediate prosthesis dental implant of copper-bearing antibacterial titanium alloy and preparation method thereof |
| CN110141382A (en) * | 2019-05-29 | 2019-08-20 | 陕西科技大学 | A kind of dental implant and its implantation methods |
Non-Patent Citations (1)
| Title |
|---|
| RUI LIU: "In vitro and in vivo studies of anti-bacterial copper-bearing titanium alloy for dental application", <DENTAL MATERIALS> * |
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Application publication date: 20210921 |