CN108553187A - A kind of porous dental implant and manufacturing method of internal combination biodegradable magnesium alloy - Google Patents
A kind of porous dental implant and manufacturing method of internal combination biodegradable magnesium alloy Download PDFInfo
- Publication number
- CN108553187A CN108553187A CN201810465468.6A CN201810465468A CN108553187A CN 108553187 A CN108553187 A CN 108553187A CN 201810465468 A CN201810465468 A CN 201810465468A CN 108553187 A CN108553187 A CN 108553187A
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- Prior art keywords
- dental implant
- magnesium alloy
- section
- bone grafting
- insert
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
- A61C8/0037—Details of the shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
- A61C8/0074—Connecting devices for joining an upper structure with an implant member, e.g. spacers with external threads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
- A61L27/047—Other specific metals or alloys not covered by A61L27/042 - A61L27/045 or A61L27/06
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/56—Porous materials, e.g. foams or sponges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/58—Materials at least partially resorbable by the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/12—Materials or treatment for tissue regeneration for dental implants or prostheses
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- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Dermatology (AREA)
- Medicinal Chemistry (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dentistry (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Prostheses (AREA)
- Dental Prosthetics (AREA)
Abstract
The invention discloses a kind of porous dental implant of internal combination biodegradable magnesium alloy and manufacturing methods.The dental implant includes main body and insert, the main body is by bone grafting section and wears gum section and forms, the side wall of the bone grafting section has screw thread, the insert is cylinder made of biodegradable magnesium alloy materials, its surface is equipped with external screw thread, and bone grafting section bottom end is equipped with the internal thread hole screwed in for insert, and the bone grafting section is additionally provided with several permeability holes, described permeability hole one end is connected to internal thread hole, and the other end is connected to the side wall of bone grafting section.The dental implant ensure that the mechanical property intensity of dental implant in the case where ensureing dental implant porosity.Magnesium alloy is mechanically connected with dental implant by screw thread, easy to operate, and stable connection is reliable.After plantation, magnesium alloy is voluntarily degraded, while osteocyte being induced to grow into, and synosteosis finally occurs.In the degradation process of magnesium alloy, the mechanical property of dental implant meets job requirement always.
Description
Technical field
The present invention relates to tooth implantation technology fields.
Background technology
Existing dental implant mostly uses greatly pure titanium or titanium alloy manufacture, and mostly solid construction.Its elasticity modulus, surrender
Intensity is much larger than bone tissue, the case where stress shielding easily occurs.For stress shielding the problem of, it is thus proposed that 3D printing system
The method for making porous dental implant.It passes through selective laser melting technology or other 3D printing increases material manufacturing technologies, manufacture
Go out dental implant of the implant abutment bone grafting section position containing regular or irregular hole.
The pure titanium of existing solid construction or the dental implant of titanium alloy material, elasticity modulus, yield strength are much larger than
Bone tissue, the problem of easily causing stress shielding.To influence the regeneration of bone tissue, it is unfavorable for synosteosis, it is final to influence plantation
The stability and service life of body.The planting body of existing porous structure is manufactured using 3D printing, is influenced by machining accuracy
Easily there is manufacturing deficiency, occur the case where stress concentration at hole, eventually leads to the mechanics of the dental implant of porous structure
Intensity is not up to standard.And porous structure sacrifices the surface area size of planting body, to affect the process of synosteosis.
Invention content
For disadvantage mentioned above, the present invention devises a kind of porous dental implant of internal combination biodegradable magnesium alloy.
It is carried out porous design compared with cell to equivalent stress in dental implant, is ensured with this according to the analysis result of finite element static
Ensure the intensity of dental implant structure while reducing stress shielding.There is threaded hole will by screw thread in Dental implantion interior design
Dental implant is mechanically connected with magnesium alloy, reduces manufacture difficulty.After planting, magnesium alloy will voluntarily degrade, and induce bone
Tissue is grown into, and final planting body and alveolus ostosis synosteosis, the mechanical strength of dental implant meets after magnesium alloy is degradable
Job requirement.Magnesium alloy has bioactivity simultaneously, and magnesium ion can promote cells grown, be conducive to accelerate synosteosis into
Journey.
A kind of porous dental implant of internal combination biodegradable magnesium alloy, including main body and insert, the main body
It by bone grafting section and wears gum section and forms, it is biodegradable magnesium alloy material that the side wall of the bone grafting section, which has screw thread, the insert,
Cylinder made of material, surface are equipped with external screw thread, and bone grafting section bottom end is equipped with the internal thread hole screwed in for insert, institute
It states bone grafting section and is additionally provided with several permeability holes, described permeability hole one end is connected to internal thread hole, and the other end and the side wall of bone grafting section connect
It is logical.
Further, the screw thread of the bone grafting section side wall is made of the fine thread section on top and the coarse-pitch thread section of lower part,
The fine thread section is located at close to gum section, the aperture of the permeability hole is worn in coarse-pitch thread section.
Further, the bottom surface of the insert is equipped with rectangular mounting groove.
The manufacturing method of above-mentioned porous dental implant includes step：
1) pure titanium is used, main body is printed by SLM technologies, it includes coarse surface and permeability holes；
2) internal thread hole and external screw thread of dental implant are finished by mach mode, while is added using machine
Insert is made in biodegradable magnesium alloy component by the mode of work；
3) insert is screwed in main body.
The porous dental implant of internal combination biodegradable magnesium alloy disclosed by the invention is ensureing dental implant hole
In the case of rate, the mechanical property intensity of dental implant ensure that.Magnesium alloy is mechanically connected with dental implant by screw thread,
Easy to operate, stable connection is reliable.After plantation, magnesium alloy is voluntarily degraded, and magnesium ion promotes osteocyte regeneration.Induce bone thin simultaneously
Born of the same parents grow into, and synosteosis finally occurs.In the degradation process of magnesium alloy, the mechanical property of dental implant meets work and wants always
It asks.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiment of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the front view of the main body；
Fig. 2 is the front view of the insert.
Specific implementation mode
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, the embodiment of the present invention, those skilled in the art are not paying creation
Property labour under the premise of the other embodiment that is obtained, belong to the scope of protection of the invention.In addition, what is be previously mentioned in text is all
Connection/connection relation not singly refers to component and directly connects, and referring to can be according to specific implementation situation, by adding or reducing connection
Auxiliary is connect, to form more preferably coupling structure.Each technical characteristic in the invention, in the premise of not conflicting conflict
Under can be with combination of interactions.
As illustrated in fig. 1 and 2, a kind of porous dental implant of internal combination biodegradable magnesium alloy, including main body 1 and embedding
Enter body 2, the main body 1 is by bone grafting section 11 and wears gum section 12 and forms, and the side wall of the bone grafting section 11 has screw thread, the insert
2 be cylinder made of biodegradable magnesium alloy materials, and surface is equipped with external screw thread, 11 bottom end of bone grafting section be equipped with for
The internal thread hole that embedded 2 bodies screw in, the bone grafting section 11 are additionally provided with several permeability holes 111,111 one end of the permeability hole and interior spiral shell
Pit is connected to, and the other end is connected to the side wall of bone grafting section 11.
Further, the screw thread of 11 side wall of bone grafting section is by the fine thread section 112 on top and the coarse-pitch thread section of lower part
113 compositions, the fine thread section 112 is located at close to gum section 12, the aperture of the permeability hole 111 is worn in coarse-pitch thread section 113.
Further, the bottom surface of the insert 2 is equipped with rectangular mounting groove 21.
The manufacturing method of above-mentioned porous dental implant includes step：
1) pure titanium is used, main body is printed by SLM technologies, it includes coarse surface and permeability holes；
2) internal thread hole and external screw thread of dental implant are finished by mach mode, while is added using machine
Insert is made in biodegradable magnesium alloy component by the mode of work；
3) insert is screwed in main body.
Specially：The dimensional parameters of dental implant are determined according to situation at the agomphosis of patient first.It is quiet further according to finite element
Mechanical analysis result determines equivalent stress smaller area, and the dimensional parameters of 11 internal thread hole of bone grafting section are determined in smaller area,
The arrangement of oblique permeability hole 111 and forward osmosis hole 111 is designed simultaneously.And joined according to the size of 11 internal thread hole of bone grafting section
Number determines the sizing parameters of insert 2.Main body 1 and insert 2 are produced, is assembled simultaneously after carrying out necessary post-processing
It is follow-up to carry out surgical implant.After plantation, the magnesium alloy of insert 2 is voluntarily degraded, and magnesium ion promotes osteocyte regeneration.Induce bone thin
Born of the same parents grow into, and synosteosis finally occurs.
The better embodiment of the present invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications or be replaced under the premise of without prejudice to spirit of that invention
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (4)
1. a kind of porous dental implant of internal combination biodegradable magnesium alloy, including main body, the main body by bone grafting section and
Gum section composition is worn, the side wall of the bone grafting section has screw thread, it is characterised in that：Further include insert, the insert is biology
Cylinder made of degradable magnesium alloy material, surface are equipped with external screw thread, and bone grafting section bottom end is equipped with revolves for insert
The internal thread hole entered, the bone grafting section are additionally provided with several permeability holes, and described permeability hole one end is connected to internal thread hole, the other end with
The side wall of bone grafting section is connected to.
2. the porous dental implant of internal combination biodegradable magnesium alloy according to claim 1, it is characterised in that：Institute
The screw thread for stating bone grafting section side wall is made of the fine thread section on top and the coarse-pitch thread section of lower part, the fine thread section close to
Gum section is worn, the aperture of the permeability hole is located in coarse-pitch thread section.
3. the porous dental implant of internal combination biodegradable magnesium alloy according to claim 1, it is characterised in that：Institute
The bottom surface for stating insert is equipped with rectangular mounting groove.
4. a kind of manufacturing method of the porous dental implant of internal combination biodegradable magnesium alloy, including step：
1) pure titanium is used, main body is printed by SLM technologies, it includes coarse surface and permeability holes；
2) internal thread hole and external screw thread of dental implant are finished by mach mode, while using mach
Insert is made in biodegradable magnesium alloy component by mode；
3) insert is screwed in main body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465468.6A CN108553187A (en) | 2018-05-16 | 2018-05-16 | A kind of porous dental implant and manufacturing method of internal combination biodegradable magnesium alloy |
| PCT/CN2018/110014 WO2019218583A1 (en) | 2018-05-16 | 2018-10-12 | Porous dental implant internally combined with biodegradable magnesium alloy and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465468.6A CN108553187A (en) | 2018-05-16 | 2018-05-16 | A kind of porous dental implant and manufacturing method of internal combination biodegradable magnesium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108553187A true CN108553187A (en) | 2018-09-21 |
Family
ID=63539066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810465468.6A Pending CN108553187A (en) | 2018-05-16 | 2018-05-16 | A kind of porous dental implant and manufacturing method of internal combination biodegradable magnesium alloy |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108553187A (en) |
| WO (1) | WO2019218583A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019218583A1 (en) * | 2018-05-16 | 2019-11-21 | 佛山市安齿生物科技有限公司 | Porous dental implant internally combined with biodegradable magnesium alloy and manufacturing method therefor |
| CN110742705A (en) * | 2019-10-28 | 2020-02-04 | 西安交通大学 | Porous ultrashort implant filled with degradable ceramic and preparation method thereof |
| CN110840596A (en) * | 2019-11-07 | 2020-02-28 | 东莞市爱嘉义齿有限公司 | Manufacturing process and system of multi-section dental implant |
| CN115381570A (en) * | 2022-08-30 | 2022-11-25 | 江苏万疆高科技有限公司 | Truss structure-based 3D printing porous implant and manufacturing method thereof |
| US11872105B1 (en) | 2022-12-01 | 2024-01-16 | Robert Parker | Dental implant device for regeneration of dental pulp and dentin |
| US11931224B1 (en) | 2022-12-19 | 2024-03-19 | Robert Parker | Tooth pod |
| CN115381570B (en) * | 2022-08-30 | 2024-06-07 | 江苏万疆高科技有限公司 | Truss structure-based 3D printing porous implant and manufacturing method thereof |
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| CN108553187A (en) * | 2018-05-16 | 2018-09-21 | 广州市健齿生物科技有限公司 | A kind of porous dental implant and manufacturing method of internal combination biodegradable magnesium alloy |
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- 2018-05-16 CN CN201810465468.6A patent/CN108553187A/en active Pending
- 2018-10-12 WO PCT/CN2018/110014 patent/WO2019218583A1/en active Application Filing
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| CN106456839A (en) * | 2014-04-23 | 2017-02-22 | 聚恩特利克斯股份公司 | Method for the surface treatment of a biocorrodable implant |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019218583A1 (en) * | 2018-05-16 | 2019-11-21 | 佛山市安齿生物科技有限公司 | Porous dental implant internally combined with biodegradable magnesium alloy and manufacturing method therefor |
| CN110742705A (en) * | 2019-10-28 | 2020-02-04 | 西安交通大学 | Porous ultrashort implant filled with degradable ceramic and preparation method thereof |
| CN110840596A (en) * | 2019-11-07 | 2020-02-28 | 东莞市爱嘉义齿有限公司 | Manufacturing process and system of multi-section dental implant |
| CN110840596B (en) * | 2019-11-07 | 2022-02-18 | 东莞市爱嘉义齿有限公司 | Manufacturing process and system of multi-section dental implant |
| CN115381570A (en) * | 2022-08-30 | 2022-11-25 | 江苏万疆高科技有限公司 | Truss structure-based 3D printing porous implant and manufacturing method thereof |
| CN115381570B (en) * | 2022-08-30 | 2024-06-07 | 江苏万疆高科技有限公司 | Truss structure-based 3D printing porous implant and manufacturing method thereof |
| US11872105B1 (en) | 2022-12-01 | 2024-01-16 | Robert Parker | Dental implant device for regeneration of dental pulp and dentin |
| US11931224B1 (en) | 2022-12-19 | 2024-03-19 | Robert Parker | Tooth pod |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019218583A1 (en) | 2019-11-21 |
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Application publication date: 20180921 |
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