CN109998714A - A kind of 3 D-printing formula preparation method of tooth-implanting bridge - Google Patents
A kind of 3 D-printing formula preparation method of tooth-implanting bridge Download PDFInfo
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- CN109998714A CN109998714A CN201910284282.5A CN201910284282A CN109998714A CN 109998714 A CN109998714 A CN 109998714A CN 201910284282 A CN201910284282 A CN 201910284282A CN 109998714 A CN109998714 A CN 109998714A
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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
- A61C13/0004—Computer-assisted sizing or machining of dental prostheses
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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
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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
- A61C13/0018—Production methods using laser
-
- 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
-
- 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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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Prostheses (AREA)
Abstract
The invention belongs to artificial tooth processing technique fields, it is related to a kind of 3 D-printing formula preparation method of tooth-implanting bridge, its specific embodiment includes the scanning of tooth mould shape, scan data processing, the design of bridge dummy, print powder configuration, typesetting data transmission, the printing of bridge dummy, mating interface processes seven steps, CAD and 3-D scanning tooth mould form and size, simplify production process, design accuracy is high, computer controls three-dimensional printer printing shaping, save traditional processing complicated procedures, work efficiency is high, it is high to repair precision, the identical property of shaped article and oral cavity, good biocompatibility, high yield rate, substandard products are avoided to cause waste of raw materials；Bridge and foundation pile mating interface precision are high, solid and reliable；Production method scientific in principle, convenient to carry out, securely and reliably, application environment is friendly.
Description
Technical field:
The invention belongs to artificial tooth processing technique fields, are related to a kind of 3 D-printing formula preparation method of tooth-implanting bridge, special
It is not a kind of using computer-aided three-dimensional form scan, CAD, the integration of Computerized three-dimensional printing shaping
Manufacturing method.
Background technique:
Bridge formula reparation is a kind of mode of dentures repai technology, it is mainly with the natural teeth of edentulous space both ends or one end
Or planting body makes the retainer of artificial tooth as abutment on abutment, and is linked to be an entirety with artificial tooth, then pass through cement
Artificial tooth corona is adhered on bridge.This kind of repair mode can fill up the position of absence of tooth, prevent adjacent teeth from shifting, and avoid
Tooth is irregular and malocclusion is normal, can also restore the chewing, pronunciation and holding appearance of tooth.The production method of traditional bridge is
Wax pattern casting, first the common path of insertion of all foundation piles is ground on tooth mould and arranges foundation pile, makees bridge wax with drop wax legal system
The wax pattern made is carried out embedding and high temperature casts and metallic bridge reparation chaeta training is made, the bridge Mao Peishou after casting by type
Shrinkage leads to greatly bridge tilting, needs that the training cutting of bridge hair is carried out welding finished product bridge again by way of cutting, this
The kind traditional handicraft complete procedure time is long, process is tedious, time-consuming and laborious；Bridge dummy surface oxide layer after casting is thicker,
It is bad with agomphosis space and the identical property of corona, sense of discomfort is caused to patient when causing clinical install, or even influence the beauty of tooth-implanting
It sees, and to be easy to appear casting incomplete for casting process, has phenomena such as sand holes shrinkage cavity, generates substandard products, cause waste of raw materials.Application number
It is applied for a patent for the China of CN200410018238.3, discloses a kind of dental all-ceramics crown bridge prosthesis bottom matrix and preparation side
Method is made of Alpha-alumina and/or zirconium oxide of skeleton, matrix powder particle volume percent profile be 4~5 μm account for 45~
50%, it accounts for 30~35%, nano-powder and accounts for 10~18% for 1~2 μm, powder particles are dissolved in aluminium oxide distiller liquor and are fabricated to material
Slurry, then by slurry plastic-coated on the dedicated die of all-ceramic crown bridge repair materials, be placed in dedicated porcelain furnace by specific heating formula into
Row sinter molding, bridge toughness made from the application is reinforced, but the complex technical process, it is also necessary to which sintering process needs to prepare
Agglomerating plant and place, production cost are higher；Therefore, seek to design a kind of 3 D-printing formula preparation method of tooth-implanting bridge,
Using computer scanning tooth mould shape size, planting body design software designs the shape size of each agomphosis, and each agomphosis is set
The bridge structure shape size for counting into connection, transfers data to 3D printer, and printing powder desired proportions proportion is directly put
Enter in printer, by the good bridge dummy of computer control printed design, the dummy surface after printing is smooth, not tilting,
Marginal discrepancy is high, and shape size is accurate, in place simple and fast, largely saves time and artificial.
Summary of the invention:
Goal of the invention of the invention is to overcome disadvantage of the existing technology, proposes to design the three of a kind of tooth-implanting bridge
Printing preparation method is tieed up, traditional lost wax casting preparation process is cumbersome, molding time is long, time-consuming and laborious, working efficiency to overcome
Low defect overcomes the obtained gantry metal contracts rate of lost wax casting big and leads to the defect of gantry tilting, solves because of multiple tracks work
The problem of sequence causes error cumulative and influences final precision, solution conventional cast shaped alumina film is thicker and influences to coincide with oral cavity
Property the problem of, avoid molding substandard products from causing waste of raw materials, solve that surface roughness at bridge and foundation pile mating interface is big and shadow
The problem of ringing installation accuracy.
In order to achieve the above-mentioned object of the invention, the 3 D-printing formula preparation method of tooth-implanting bridge of the present invention, tooth mould
Shape scanning, the design of bridge dummy, the configuration of printing powder, typesetting data transmission, the printing of bridge dummy, is matched at scan data processing
Splice grafting mouth processes seven steps:
(1) tooth mould shape scans: manufacturing patient's gypsum tooth mould using the prior art, computer controls optical scanner and scans stone
The form and size of cream model acquire gypsum tooth mould optics die three-dimensional data, and scan data are stored in computer；
(2) scan data handle: using computer system by step (1) scanning collection and storage in computer
Stamp three-dimensional data is handled, and calculates the retainer of bridge, connector and pontic according to path of insertion and row's tooth mode
Bearing stress；
(3) bridge dummy designs: using the planting body software CAD in the prior art installed in computer according to step
(2) treated path of insertion, bridge meet with stresses and design metallic bridge, then by designed metallic bridge design data and scanning
Processing is compared in data, controls error range within 0.1mm, and metallic bridge is then carried out printing typesetting design；It is planting
It is 0.02mm that adhesive agent gap parameter is arranged in implant design software CAD, and additional agent gap is 0.04mm, to guarantee subsequent bridge
Close with corona is bonded, and increases patient's mouth comfort；When using planting body design software CAD design, in bridge and base
It is 1~2mm that machining allowance is reserved at stake mating interface；
(4) printing powder configuration: bridge hardness is determined according to bridge stress size and in the intraoral position of patient, is beaten
Print powder proportional arrangement；
(5) typesetting data transmits: the bridge printing typesetting data transmission for being completed step (3) design using computer system
Into laser three-D printer, it is standby deposit etc. it is to be printed；
(6) bridge dummy prints: using printing powder automatic printing gold by computer system control laser three-D printer
Belong to bridge, oral cavity bridge dummy structure is obtained after the completion of printing；Preferably, which prints under nitrogen closed environment, keeps away
Exempt from bridge to be oxidized in print procedure；
(7) mating interface is processed: the design data that step (3) are completed separately being programmed processing, determines mating interface portion
The processing positioning of position and cutting position, to guarantee that location and installation position is accurate after cutting, pours into cutting for data after programmed process
In lathe, the bridge that printing is obtained is by cutting machine clamp clamping on cutter, to what is be used cooperatively on bridge with foundation pile
Interface end face and internal diameter are processed, by surface roughness control within 3um, to improve installation accuracy；Preferably, cutter
Switzerland Willie is selected to engrave cutter.
Bridge dummy made from method of the present invention, precision is high, and bending strength is 72~105MPa, compression strength
For 500~1100MPa, hardness is high, and wearability is good, and not perishable, service life was at 10 years or more.
Compared with prior art, the present invention being simplified using CAD and 3-D scanning tooth mould form and size
Production process, design accuracy is high, and computer controls three-dimensional printer printing shaping, saves traditional processing complicated procedures, work effect
Rate is high, repairs precision height, shaped article and oral cavity identical property, good biocompatibility, and high yield rate avoids substandard products from causing raw material
Waste；Bridge and foundation pile mating interface precision are high, solid and reliable；Production method scientific in principle, it is convenient to carry out, safely may be used
It leans on, application environment is friendly.
Detailed description of the invention:
Fig. 1 is process flow schematic block diagram of the invention.
Specific embodiment:
Below by specific embodiment and in conjunction with attached drawing, the invention will be further described.
Embodiment 1:
The 3 D-printing formula preparation method for the tooth-implanting bridge that the present embodiment is related to, specific embodiment include tooth mould shape
Scanning, scan data processing, the design of bridge dummy, the configuration of printing powder, typesetting data transmission, the printing of bridge dummy, cooperation
Interface processes seven steps:
(1) tooth mould shape scans: manufacturing patient's gypsum tooth mould using the prior art, computer controls optical scanner and scans stone
The form and size of cream model acquire gypsum tooth mould optics die three-dimensional data, and scan data are stored in computer；
(2) scan data handle: using computer system by step (1) scanning collection and storage in computer
Stamp three-dimensional data is handled, and calculates the retainer of bridge, connector and pontic according to path of insertion and row's tooth mode
Bearing stress；
(3) bridge dummy designs: using the planting body software CAD in the prior art installed in computer according to step
(2) treated path of insertion, bridge meet with stresses and design metallic bridge, then by designed metallic bridge design data and scanning
Processing is compared in data, controls error range within 0.1mm, and metallic bridge is then carried out printing typesetting design；It is planting
It is 0.02mm that adhesive agent gap parameter is arranged in implant design software CAD, and additional agent gap is 0.04mm, to guarantee subsequent bridge
Close with corona is bonded, and increases patient's mouth comfort；When using planting body design software CAD design, in bridge and base
It is 1~2mm that machining allowance is reserved at stake mating interface；
(4) printing powder configuration: bridge hardness is determined according to bridge stress size and in the intraoral position of patient, is beaten
Print powder proportional arrangement；
(5) typesetting data transmits: the bridge printing typesetting data transmission for being completed step (3) design using computer system
Into laser three-D printer, it is standby deposit etc. it is to be printed；
(6) bridge dummy prints: using printing powder automatic printing gold by computer system control laser three-D printer
Belong to bridge, oral cavity bridge dummy structure is obtained after the completion of printing；Preferably, which prints under nitrogen closed environment, keeps away
Exempt from bridge to be oxidized in print procedure；
(7) mating interface is processed: the design data that step (3) are completed separately being programmed processing, determines mating interface portion
The processing positioning of position and cutting position, to guarantee that location and installation position is accurate after cutting, pours into cutting for data after programmed process
In lathe, the bridge that printing is obtained is by cutting machine clamp clamping on cutter, to what is be used cooperatively on bridge with foundation pile
Interface end face and internal diameter are processed, by surface roughness control within 3um, to improve installation accuracy；Preferably, cutter
Switzerland Willie is selected to engrave cutter.
Bridge dummy made from the method that the present embodiment is related to, precision is high, and bending strength is 72~105MPa, pressure resistance
Degree is 500~1100MPa, and hardness is high, and wearability is good, and not perishable, service life was at 10 years or more.The nitrogen that the present embodiment is related to
Hermetic closed loop border is the windowfree workshop for being filled with nitrogen, or is continuously filled with nitrogen into the print space of printer.
The printing powder diameter that the bridge that the present embodiment is related to uses is 5~300 nanometer, the group subpackage of printing powder by weight
It includes: 55~69 parts of cobalt, 25~40 parts of chromium, 2~5 parts of tungsten, 2~5 parts of molybdenum, 1 part of silicon.
The preparation method that the present embodiment is related to applies also for the design and 3 D-printing molding of foundation pile.
Embodiment 2:
The 3 D-printing formula preparation method for the tooth-implanting bridge that the present embodiment is related to, specific embodiment is the same as embodiment 1
Seven steps, the group of the printing powder being related to by weight is divided into 64:25:5:5:1, the ratio print powder particularly useful for making
Incisor bridge, obtained incisor bridge, bending strength 80MPa, compression strength 900MPa, shrinking percentage 0.4% have
Highly wear-resistant and corrosion resistance.
Embodiment 3:
The 3 D-printing formula preparation method for the tooth-implanting bridge that the present embodiment is related to, specific embodiment is the same as embodiment 1
Seven steps, the group of the printing powder being related to by weight is divided into 69:24:2:2:1, the ratio print powder particularly useful for making
It grinds one's teeth in sleep bridge, obtained to cut sound of baby talk bridge, bending strength 105MPa, compression strength 1100MPa, shrinking percentage 0.2%,
With height is wear-resistant and corrosion resistance.
Embodiment 4:
The 3 D-printing formula preparation method for the tooth-implanting bridge that the present embodiment is related to, specific embodiment is the same as embodiment 1
Seven steps, the group of the printing powder being related to by weight is divided into 55:40:2:2:1, the ratio print powder particularly useful for making
Profusely bridge, obtained profusely bridge, bending strength 72MPa, compression strength 500MPa, shrinking percentage 0.1% have
Highly wear-resistant and corrosion resistance.
Claims (3)
1. a kind of 3 D-printing formula preparation method of tooth-implanting bridge, it is characterised in that its specific embodiment includes that tooth mould shape is swept
It retouches, scan data processing, bridge dummy designs, printing powder configures, typesetting data transmission, the printing of bridge dummy, matches splice grafting
Mouth seven steps of processing:
(1) tooth mould shape scans: manufacturing patient's gypsum tooth mould using the prior art, computer controls optical scanner and scans plaster mold
The form and size of type acquire gypsum tooth mould optics die three-dimensional data, and scan data are stored in computer；
(2) scan data handle: using computer system by step (1) scanning collection and storage the stamp in computer
Three-dimensional data is handled, and the carrying of the retainer, connector and pontic of bridge is calculated according to path of insertion and row's tooth mode
Stress；
(3) bridge dummy designs: using the planting body software CAD in the prior art installed in computer according to step (2)
Treated path of insertion, bridge meet with stresses and design metallic bridge, then by designed metallic bridge design data and scanning number
According to processing is compared, error range is controlled within 0.1mm, and metallic bridge is then subjected to printing typesetting design；It is planting
In body design software CAD be arranged adhesive agent gap parameter be 0.02mm, additional agent gap be 0.04mm, with guarantee subsequent bridge with
The close fitting of corona increases patient's mouth comfort；When using planting body design software CAD design, in bridge and foundation pile
It is 1~2mm that machining allowance is reserved at mating interface；
(4) printing powder configuration: bridge hardness is determined according to bridge stress size and in the intraoral position of patient, carries out printing powder
Proportional arrangement；
(5) typesetting data transmits: using computer system to be transmitted to the bridge printing typesetting data that step (3) design is completed sharp
In light three-dimensional printer, it is standby deposit etc. it is to be printed；
(6) bridge dummy prints: using printing powder automatic printing metal tooth by computer system control laser three-D printer
Bridge obtains oral cavity bridge dummy structure after the completion of printing；
(7) mating interface is processed: the design data that step (3) are completed separately being programmed processing, determines mating interface position
Processing positioning and cutting position, to guarantee that location and installation position is accurate after cutting, pours into stock-removing machine for data after programmed process
Interior, the bridge that printing is obtained is by cutting machine clamp clamping on cutter, to the interface being used cooperatively on bridge with foundation pile
End face and internal diameter are processed, by surface roughness control within 3um, to improve installation accuracy.
2. a kind of 3 D-printing formula preparation method of tooth-implanting bridge according to claim 1, it is characterised in that step (6)
It is printed under nitrogen closed environment, bridge is avoided to be oxidized in print procedure.
3. a kind of 3 D-printing formula preparation method of tooth-implanting bridge according to claim 1 or 2, it is characterised in that the party
Bridge dummy made from method, bending strength are 72~105MPa, and compression strength is 500~1100MPa, and service life was in 10 years
More than.
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| CN201910284282.5A CN109998714A (en) | 2019-04-10 | 2019-04-10 | A kind of 3 D-printing formula preparation method of tooth-implanting bridge |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464499A (en) * | 2019-08-20 | 2019-11-19 | 胡光耀 | A kind of environment-friendly type PRF press mold guide plate system |
| CN111839774A (en) * | 2020-08-28 | 2020-10-30 | 京品医学科技（北京）有限公司 | Machining process for implanting pure titanium bridge artificial tooth by material increase and material decrease combined manufacturing |
| CN114052963A (en) * | 2020-07-30 | 2022-02-18 | 苏州必优特医疗器械有限公司 | Processing technology of fixed denture |
| CN114211753A (en) * | 2021-10-11 | 2022-03-22 | 广州黑格智造信息科技有限公司 | Three-dimensional printing data preprocessing method and device and digital operation platform |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464499A (en) * | 2019-08-20 | 2019-11-19 | 胡光耀 | A kind of environment-friendly type PRF press mold guide plate system |
| CN110464499B (en) * | 2019-08-20 | 2021-09-10 | 胡光耀 | Environment-friendly PRF film pressing guide plate system |
| CN114052963A (en) * | 2020-07-30 | 2022-02-18 | 苏州必优特医疗器械有限公司 | Processing technology of fixed denture |
| CN111839774A (en) * | 2020-08-28 | 2020-10-30 | 京品医学科技（北京）有限公司 | Machining process for implanting pure titanium bridge artificial tooth by material increase and material decrease combined manufacturing |
| CN114211753A (en) * | 2021-10-11 | 2022-03-22 | 广州黑格智造信息科技有限公司 | Three-dimensional printing data preprocessing method and device and digital operation platform |
| CN114211753B (en) * | 2021-10-11 | 2024-04-02 | 广州黑格智造信息科技有限公司 | Preprocessing method and device for three-dimensional printing data and digital operation platform |
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Application publication date: 20190712 |