CN109124830A - A kind of prosthesis production method based on Design of digital and numerical control processing and fabricating - Google Patents
A kind of prosthesis production method based on Design of digital and numerical control processing and fabricating Download PDFInfo
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- CN109124830A CN109124830A CN201810659056.6A CN201810659056A CN109124830A CN 109124830 A CN109124830 A CN 109124830A CN 201810659056 A CN201810659056 A CN 201810659056A CN 109124830 A CN109124830 A CN 109124830A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
- A61F2/2875—Skull or cranium
- A61F2002/2889—Maxillary, premaxillary or molar implants
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- Manufacturing & Machinery (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Mechanical Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
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- Prostheses (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The present invention provides a kind of prosthesis production method based on Design of digital and numerical control processing and fabricating, including is based on multi-source data Design of digital disabler model, obtains disabler model data, and obtain disabler model by numerical control molding machine；Disabler model data is obtained into prosthesis stent data by removalbe partial denture bracket design software, and prosthesis stent model is obtained by numerical control molding machine；Prosthesis stent model is located on disabler model, survey and closes examination tooth, obtain prosthesis after mounted box fills glue.The present invention is based on multisource data fusion modelings, obtain disabler model by reverse-engineering, and obtain digitlization prosthesis according to this, reduce the clinical manipulation difficulty of disabler stamp, shorten clinical Production Time, reduce patient's sense of discomfort.Disabler model and prosthesis stent model are made using digitizing technique, shortens clinical and studio's operating time, shortens patient assessment's number, reduces prosthesis manufacture difficulty, improves working efficiency.
Description
Technical field
The present invention relates to a kind of production methods of medical devices, more particularly to one kind to be added based on Design of digital and numerical control
The prosthesis production method of work production.
Background technique
Defect of maxilla patient needs to prevent mouth and nose chamber traffic by disabler prosthesis, so as to improve their hair
Problem is chewed and swallowed to sound.Therefore, production maintenance is good, closure is good, the reasonable disabler prosthesis of occluding relation to pass
It is important.And in the production process, hard and soft tissue anatomic form in patient mouthful can be accurately obtained, will directly be determined final counterfeit multiple
The no therapeutic effect to succeed of physical efficiency.The clinical experience of specialist is repaired in the production of conventional model dependent on jaw face, is passed through
Complicated step and a variety of moulages obtain the structure in patient mouthful, and operating difficulties, time-consuming, patient susceptible's nausea
Discomfort, in addition due to close to air flue and there are certain clinical risks.
For the patient of defect of maxilla, production maintenance is good, and closure is good, and the reasonable disabler of occluding relation is counterfeit multiple
Body is most important, high to the patient model required precision of acquisition in manufacturing process, directly determine the success of final prosthesis with
It is no.At present for defect of maxilla patient, applicant has applied for Chinese patent, application number CN201810163339.1, hair
Bright creation title: a method of based on multi-source data Design of digital and production disabler model.However it is based on the digitlization
How disabler model makes full use of digitizing technique to carry out subsequent support Design and production, and how to make final
Prosthesis, and perfect treatment process is formed, become the difficulty for needing to break through.
Summary of the invention
The prosthesis production method based on Design of digital and numerical control processing and fabricating that the present invention provides a kind of, utilizes Shen
Please method described in number CN201810163339.1 make disabler model, and the metallic support with Design of digital and production
In conjunction with, eventually by studio's tradition row tooth, fill glue process complete prosthesis production.
Prosthesis production method provided by the invention based on Design of digital and numerical control processing and fabricating includes following step
It is rapid:
Step 1 is based on multi-source data Design of digital disabler model, disabler model data is obtained, by the obstruction
Device model data is formed by numerical control molding machine, to obtain entity disabler model；
Step 2 will obtain disabler model data in step 1, be designed by removalbe partial denture bracket design software counterfeit
Complex bracket obtains digitlization prosthesis stent data；The prosthesis stent data is formed by numerical control molding machine,
To obtain entity prosthesis stent model；
Step 3, the prosthesis stent model for making step 2 be located in disabler model prepared by step 1 it
On, it is in place stablize after carry out it is clinical survey close, examination tooth, through mounted box, fill glue after obtain the prosthesis.
Wherein, the numerical control molding machine is selected from one or more of numerical controlled carving equipment, 3D printer.
Wherein, the removalbe partial denture bracket design software is selected from 3Shape Dental System software.
Wherein, the method based on multi-source data Design of digital disabler model described in step 1, comprising:
Optical scan data file in mouth is obtained using scanning in mouth；
Maxillary region CT scan data file is obtained using spiral CT；
CT scan data file is imported into 3 d modeling software, three-dimensional modeling is carried out, to obtain soft or hard group of Maxillary region
The three-dimensional modeling data knitted；
By optical scan data in the three-dimensional modeling data and mouth by reverse-engineering software design, disabler mould is obtained
Type data；
The disabler model data is formed by numerical control molding machine, to obtain entity disabler model.
Wherein, the 3 d modeling software is selected from Mimics modeling software.
Wherein, the reverse engineer software is selected from Geomagic Studio software.
Wherein, the numerical control molding machine is selected from one or more of numerical controlled carving equipment, 3D printer.
In one preferred embodiment of the invention, specific step is as follows for the design of the prosthesis stent model: step
Rapid a1, model observation is carried out to digitlization disabler model in removable partial denture (RPD) design software, determines path of insertion,
Fill out undercut；
Wax pattern finishing, the undercut range of exposure design；
Step a2, reticular structure is designed；
The boundary of reticular structure is corresponding with defect chamber inner sidewall, and reticular structure lower edge and bracket terminated line should be positioned at scarce
It damages near chamber inner sidewall and defect chamber opening intersection, and is located at the mouth total number according to upper；
Reticular structure upper limb is located near defect chamber upper bound, and reticular structure front and rear edge is done suitably along defect chamber front and rear wall
Extend；
Mouth is swept not comprising defect chamber inner sidewall patient, in addition to reticular structure, remaining stents structure is based on a mouthful total number
According to；Mouth is swept comprising defect chamber inner sidewall patient, support Design is based on a mouthful total number evidence；
Step a3, the form of major connector, tang, rest, snap ring, terminated line is designed；
Complete design forms the RPD prosthesis stent data for having decorative pattern palatine facet, exports STL formatted data.
In one preferred embodiment of the invention, specific step is as follows for the three-dimensional modeling:
Step a1, choose spiral CT modeling gained three-dimensional modeling data in optical scan data with it is finally required compound
The corresponding part of model, and carry out preliminary registration；
The form and height of disabler are designed using undercut maintenance according to defect chamber form and position；
Step a2, the two denture and hard palate partial data are chosen on the basis of above-mentioned preliminary registration, mention high-precision
Registration；
Step a3, it is above-mentioned propose high-precision registration position on the basis of choose spiral CT modeling obtained by three-dimensional modeling data
In defect cavity portion divided data and optical scan data in denture and palatine data, carry out integration modeling.
In another preferred embodiment of the invention, specific step is as follows for the three-dimensional modeling:
Step a1, choose spiral CT modeling gained three-dimensional modeling data in optical scan data with it is finally required compound
The corresponding part of model, and carry out preliminary registration；
Step a2, the two denture and hard palate partial data are chosen on the basis of above-mentioned preliminary registration, carry out higher precision
Registration；
Step a3, three-dimensional modeling data obtained by spiral CT modeling is chosen on the basis of the registration position of above-mentioned higher precision
In defect cavity portion divided data and optical scan data in denture and palatine data, carry out integration modeling；
Step a4, the form and height of disabler are designed using undercut maintenance according to defect chamber form and position.
In above content of the present invention, the integration modeling is by deleting in three-dimensional modeling data and optical scan data
Lap, fill the empty portions in three-dimensional modeling data, three-dimensional modeling data and optical scanner model data closed
And form a composite model data.
In above content of the present invention, the method is preferably comprised:
CT scan DICOM data import in Mimics modeling software, the threedimensional model of three-dimensional reconstruction hard and soft tissue,
And with the output of STL format；
The STL data of the three-dimensional modeling data of STL format and optical scanner are imported into Geomagic Studio software
In, choose spiral CT modeling gained threedimensional model STL data in optical scanner STL data with final required composite model phase
Corresponding part carries out " registration of n point " operation by Geomagic Studio software " manual registration " functional module, completes just
Step registration；
On the basis of the preliminary registration, by " creation boundary ", " creation curve ", " curve projection " in the way of choose
Denture and the data of hard palate part in three-dimensional modeling data, optical scan data, it is " best by Geomagic Studio software
Fitting alignment " functional module is fitted alignment, completes higher precision registration；
" manually by Geomagic Studio software by the non-registered part of floating part data in above-mentioned alignment procedure
Registration " functional module carries out registration and is moved to corresponding position, the positioning of total data needed for completing；
The defect cavity portion divided data and light in three-dimensional modeling data are chosen on the basis of above-mentioned higher precision registration position
Denture and palatine data in scan data are learned, by deleting lap, fill empty portions, and pass through Geomagic
" the switching to a little " of Studio software, " encapsulation " functional module will integrally switch to a little and Reseal, by the three-dimensional modeling data
With the integration modeling of optical scan data；
According to defect chamber form and position and undercut maintenance is utilized, air flue is reserved for the upper respiratory tract, designs the shape of disabler
State and height pass through the creation batten boundary function module creation batten boundary of Geomagic Studio software and extend filling
Boundary hole determines the form of defect chamber；
Having for solid is converted by Geomagic Studio software " extending boundary to plane " functional module
The threedimensional model of respective thickness.
The present invention will be modeled based on multisource data fusion, obtain personalized disabler model by reverse-engineering, and according to
This obtains digitlization prosthesis, reduces the clinical manipulation difficulty of disabler stamp, when shortening clinical and patient production
Between, patient clinical sense of discomfort is reduced, and improve the precision of disabler model.Digitizing technique is made full use of to make disabler mould
Type and entity prosthesis stent model greatly shorten clinical and studio's operating time, shorten patient assessment's number.This skill
Art can alleviate clinical jaw face and repair profession bottleneck caused by specialist's lazy weight, be beneficial to repair of jaw defect skill
The popularization of art.
Specific embodiment
The present invention is further explained in the light of specific embodiments, but not as the limitation of the invention.
Present invention design and the method for production disabler model are as follows:
Optical scanner in mouth is carried out to patient and obtains optical scan data in mouth, and is converted into the output of STL format；
CT scan is carried out to patient's Maxillary region and obtains DICOM data；
CT scan DICOM data are imported Mimics modeling software, and (Belgian Materialise Software is public
Department provides) in, the threedimensional model model of the hard and soft tissue in three-dimensional reconstruction patient's cranium jaw face, and with the output of STL format；By spiral
Scan data is by reverse-engineering software Geomagic Studio design individuality in CT modeling gained three-dimensional modeling data and mouth
Change composite model；Specific step is as follows:
Step a1, the STL data that the spiral CT modeling data of STL format is obtained with optical scanner in mouth are imported into
In Geomagic Studio software, optical scanner STL data in spiral CT modeling gained threedimensional model STL data and mouth are chosen
In with it is final needed for the corresponding part of personalized composite model, pass through software " manual registration " module and carry out " registration of n point "
Preliminary registration is realized in operation；
Step a2, " creation batten boundary ", " creating curve from boundary ", " curve are utilized on the basis of above-mentioned preliminary registration
The mode of projection " chooses the high denture and hard palate partial data of the two similarity, and carries out " best fit alignment ", obtains more
High registration accuracy；
Step a3, the non-registered part of floating part data in above-mentioned alignment procedure is passed through into " the manual registration mould
Block " progress " registration of n point " operation, registration are moved to corresponding position, the positioning of total data needed for completing, above-mentioned more high-precision
Optics in defect cavity portion divided data and mouth in spiral CT modeling gained three-dimensional modeling data is chosen on the basis of degree registration position to sweep
Denture and palatine data in data are retouched, by deleting the part of the two overlapping, fill oral cavity empty portions in three-dimensional modeling data
Data, and by the way that whole " switching to a little " and the method that " encapsulates " again are carried out the integration modelings of the two data, by the two number
A composite model is formed according to merging；
Step a4, according to defect chamber form and position and undercut maintenance is utilized, reserves air flue for the upper respiratory tract, design is closed
The form and height of the personalized disabler of reason by creation batten boundary and suitably extend filling boundary hole and determine defect chamber
Form；(step can also be completed after step a1)
The personalized composite model data are converted by the operation of functional modules such as " creation batten boundaries "
The three-dimensional model with respective thickness, obtains the threedimensional model of STL format；
It is formed by numerical control rapid molding device, to obtain physical model；Wherein, numerical control rapid molding device can be used
Digital-controlled carving machine or three-dimensional printer.
Present invention design and the method for production prosthesis are as follows:
Optical scanner in mouth is carried out to patient and obtains optical scan data in mouth, and is converted into the output of STL format；
CT scan is carried out to patient's Maxillary region and obtains DICOM data；
CT scan DICOM data are imported Mimics modeling software, and (Belgian Materialise Software is public
Department provides) in, the threedimensional model model of the hard and soft tissue in three-dimensional reconstruction patient's cranium jaw face, and with the output of STL format；By spiral
Scan data is by reverse-engineering software Geomagic Studio design individuality in CT modeling gained three-dimensional modeling data and mouth
Change composite model；
The personalized composite model data are imported in 3Shape Dental System software, are digitized
The design of prosthesis bracket, the specific steps are as follows:
Step a1, in " observing and fill out undercut " functional module, " direction of insertion " is set from view, i.e. observed direction, with
This determines path of insertion, determines " direction of insertion " after being finely adjusted according to the undercut position shown；
System default carries out wax pattern filling to all undercuts；
It is illustrated according to different colours, determines the undercut depth 0.25mm that snap ring shown in design drawing etc. need to enter, wax pattern finishing
By the exposure of required undercut；
Step a2, in " RPD design " functional module, the reticular structure of " resin spacing " 0.50mm is set, that is, represents net
Shape structure leaves tissue surface 0.50mm；
The boundary of reticular structure is corresponding with defect chamber inner sidewall, because being based on the integrated upper jaw for having designed completion
Bone defect composite model, defect chamber form have done proper treatment, and reticular structure lower edge and bracket terminated line should be located at defect chamber
Near inner sidewall and defect chamber opening intersection, and it is located at the mouth total number according to upper；
Reticular structure upper limb is located near defect chamber upper bound, and reticular structure front and rear edge does suitable along defect chamber front and rear wall
Work as extension；
Mouth is swept not comprising defect chamber inner sidewall patient, in addition to reticular structure, remaining stents structure is based on a mouthful total number
According to；Mouth is swept comprising defect chamber inner sidewall patient, support Design is based on a mouthful total number evidence；
Step a3, equally in " RPD design " functional module, according to design G- Design major connector, tang, branch
The form of support, snap ring, terminated line notices that major connector leaves gum rim circle at least 6mm, suitably thickeies at tang, rest
It is recessed that form takes rest, and 1/3 enters concave region before clasp arm point；
It is finally completed design, forms the RPD prosthesis stent data for having decorative pattern palatine facet, exports STL format number
According to.
It is formed by numerical control rapid molding device, it is real to obtain digitlization disabler model and digitlization prosthesis bracket
Body Model；
Wherein, digital-controlled carving machine or three-dimensional printer can be used in numerical control rapid molding device.
Prosthesis bracket is located on disabler model, the production of subsequent technology room and clinical manipulation are carried out, is completed final
The production of integrated maxilla prosthesis.Concrete operation step, as follows:
Step s1, the disabler pattern die of rapid shaping is turned over and plaster cast is made.Utilize multiple mold materials mixing machine
(Sidomix, Wassermann company, Germany), multiple mould silicon rubber (Duplicating silicone, BEGO are public
Department, Germany), multiple diaphragm capsule (Duplicating flask system, BEGO company, Germany), make resin mould
Silicon rubber former, it is rear to be stirred using mixing machine (Twister vacuum mixer, Renfert company, Germany) vacuum through vacuum tune
Mix dentistry super hard gypsum (Red Tener, Germany) perfusion be copied into plaster cast.
Step s2, metal prosthesis bracket is tried in patient mouthful, can be finely adjusted when necessary to ensure just
Position；Occlusion inspection is carried out, is suitably adjusted
Step s3, under the premise of occlusion is normal, temporary base-plate is made on bracket and records occluding relation, facebow transfer, on
Frame；
Step s4, artificial row's tooth, clinic examination tooth are carried out in metallic support situation in place.
Step s5, it after the row's of determination tooth situation, abrades defect chamber top and corresponds to temporary base-plate, the wax of filled out undercut before removal,
Two layers of red wax, i.e., the wax of about 2mm thickness are filled out along defect chamber surrounding.Bracket and row tooth in place after sealing wax.Isolate upper jaw plaster mold
Type, gradually wear down bottom-exposed defect chamber top, takes off dome-shaped with this and abrades defect chamber top gypsum.Since early period is designed, lack
Damage chamber top form is smooth surface, is distinguished with defect chamber surrounding, is easy to distinguish.Restore to lack using the wax sticking patch of 2mm thickness
Accent inner opening is damaged, i.e. recovery palatine form.
Step s6, mounted box.It pours water and checks whether sticking patch joining place has a leakage, when ne-leakage, white stone was perfused into defect chamber
Cream, or plaster cast is first subjected to mounted box up again toward the white gypsum of defect intra-bladder instillation when mounted box.It rushes wax method and removes paraffin removal,
The appropriate remainder temporary base-plate that abrades removes extra temporary base-plate, is coated with release agent, and thermosetting plastics is perfused, and boiling boils 100 DEG C at least 1
Box is opened after hour, sanding and polishing is at hollow open disabler prosthesis.
Specific embodiments of the present invention are described in detail above, but it is merely an example, the present invention is simultaneously unlimited
It is formed on particular embodiments described above.To those skilled in the art, any couple of present invention carries out equivalent modifications and
Substitution is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and
Modification, all should be contained within the scope of the invention.
Claims (10)
1. a kind of prosthesis production method based on Design of digital and numerical control processing and fabricating includes the following steps:
Step 1 is based on multi-source data Design of digital disabler model, disabler model data is obtained, by the disabler mould
Type data are formed by numerical control molding machine, to obtain entity disabler model；
Step 2 will obtain disabler model data in step 1, design prosthesis by removalbe partial denture bracket design software
Bracket obtains digitlization prosthesis stent data；The prosthesis stent data is formed by numerical control molding machine, to obtain
Entity prosthesis stent model；
Step 3, the prosthesis stent model for making step 2 are located on disabler model prepared by step 1, in place
Carried out after stabilization it is clinical survey close, examination tooth, through mounted box, fill glue after obtain the prosthesis.
2. the method according to claim 1, wherein being hindered described in step 1 based on multi-source data Design of digital
Fill in the method for device model, comprising:
Optical scan data file in mouth is obtained using scanning in mouth；
Maxillary region CT scan data file is obtained using spiral CT；
CT scan data file is imported into 3 d modeling software, three-dimensional modeling is carried out, to obtain Maxillary region hard and soft tissue
Three-dimensional modeling data；
By optical scan data in the three-dimensional modeling data and mouth by reverse-engineering software design, disabler pattern number is obtained
According to；
The disabler model data is formed by numerical control molding machine, to obtain entity disabler model.
3. the method according to claim 1, wherein the specific steps of the design of the prosthesis stent model are such as
Under:
Step a1, model observation is carried out to digitlization disabler model in removable partial denture design software, determines path of insertion,
Fill out undercut；
Wax pattern finishing, the undercut range of exposure design；
Step a2, reticular structure is designed；
The boundary of reticular structure is corresponding with defect chamber inner sidewall, and reticular structure lower edge and bracket terminated line should be intracavitary positioned at defect
Near side wall and defect chamber opening intersection, and it is located at the mouth total number according to upper；
Reticular structure upper limb is located near defect chamber upper bound, and reticular structure front and rear edge is done along defect chamber front and rear wall suitably to be prolonged
It stretches；
Mouth is swept not comprising defect chamber inner sidewall patient, in addition to reticular structure, remaining stents structure is based on a mouthful total number evidence；It is right
It sweeps in mouth comprising defect chamber inner sidewall patient, support Design is based on a mouthful total number evidence；
Step a3, the form of major connector, tang, rest, snap ring, terminated line is designed；
Complete design forms the RPD prosthesis stent data for having decorative pattern palatine facet, exports STL formatted data.
4. according to the method described in claim 2, it is characterized in that, the three-dimensional modeling specific step is as follows:
Step a1, choose spiral CT modeling gained three-dimensional modeling data in optical scan data with final required composite model phase
Corresponding part, and carry out preliminary registration；
The form and height of disabler are designed using undercut maintenance according to defect chamber form and position；
Step a2, the two denture and hard palate partial data are chosen on the basis of above-mentioned preliminary registration, carry out mentioning high-precision registration；
Step a3, it is above-mentioned propose high-precision registration position on the basis of choose lacking in three-dimensional modeling data obtained by spiral CT modeling
Denture and palatine data in cavity portion divided data and optical scan data are damaged, integration modeling is carried out.
5. according to the method described in claim 4, it is characterized in that, the integration modeling be by delete three-dimensional modeling data with
Lap in optical scan data fills the empty portions in three-dimensional modeling data, three-dimensional modeling data and optics is swept
Model data fusion is retouched, a composite model data are formed.
6. according to the method described in claim 5, it is characterized in that,
CT scan DICOM data import in Mimics modeling software, the threedimensional model of three-dimensional reconstruction hard and soft tissue, and with
The output of STL format；
The STL data of the three-dimensional modeling data of STL format and optical scanner are imported into Geomagic Studio software, are selected
Take spiral CT modeling gained threedimensional model STL data corresponding with final required composite model with optical scanner STL data
Part carries out " registration of n point " operation by Geomagic Studio software " manual registration " functional module, completes preliminary registration；
On the basis of the preliminary registration, by " creation boundary ", " creation curve ", " curve projection " in the way of choose three-dimensional mould
Denture and the data of hard palate part in type data, optical scan data pass through Geomagic Studio software " best fit pair
Functional module is fitted alignment together ", completes higher precision registration；
The non-registered part of floating part data in above-mentioned alignment procedure is passed through into Geomagic Studio software " manual registration "
Functional module carries out registration and is moved to corresponding position, the positioning of total data needed for completing；
The defect cavity portion divided data and optics chosen in three-dimensional modeling data on the basis of above-mentioned higher precision registration position are swept
Denture and palatine data in data are retouched, by deleting lap, fill empty portions, and soft by Geomagic Studio
" the switching to a little " of part, " encapsulation " functional module will integrally switch to a little and Reseal, and the three-dimensional modeling data is swept with optics
Retouch the integration modeling of data；
According to defect chamber form and position and utilize undercut maintenance, reserve air flue for the upper respiratory tract, design disabler form and
Highly, pass through the creation batten boundary function module creation batten boundary of Geomagic Studio software and extend filling boundary
Hole determines the form of defect chamber；
It is corresponding thick that having for solid is converted by Geomagic Studio software " extending boundary to plane " functional module
The threedimensional model of degree.
7. the method according to claim 1, wherein the numerical control molding machine is selected from numerical controlled carving equipment, 3D
One or more of printer.
8. the method according to claim 1, wherein the removalbe partial denture bracket design software is selected from
3Shape Dental System software.
9. according to the method described in claim 2, it is characterized in that, the reverse engineer software is selected from Geomagic Studio
Software.
10. according to the method described in claim 2, it is characterized in that, the 3 d modeling software is selected from Mimics modeling software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810659056.6A CN109124830B (en) | 2018-06-22 | 2018-06-22 | Prosthesis manufacturing method based on digital design and numerical control machining manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810659056.6A CN109124830B (en) | 2018-06-22 | 2018-06-22 | Prosthesis manufacturing method based on digital design and numerical control machining manufacturing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109124830A true CN109124830A (en) | 2019-01-04 |
| CN109124830B CN109124830B (en) | 2021-02-05 |
Family
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| CN111513881A (en) * | 2020-05-09 | 2020-08-11 | 北京大学口腔医学院 | Method and system for manufacturing maxillary defect prosthesis |
| CN111920537A (en) * | 2020-07-10 | 2020-11-13 | 上海交通大学医学院附属第九人民医院 | Digital generation preparation method based on three-dimensional printing technology |
| CN114712007A (en) * | 2022-04-06 | 2022-07-08 | 爱迪特（秦皇岛）科技股份有限公司 | Method for manufacturing digital removable denture |
| CN114831779A (en) * | 2022-07-06 | 2022-08-02 | 四川大学 | Digital manufacturing method of hollow metal obturator for palatal fistula repair |
| RU2788895C1 (en) * | 2022-03-25 | 2023-01-25 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Рязанский государственный медицинский университет имени академика И.П. Павлова" Министерства здравоохранения Российской Федерации | Complex maxillary obturator prosthesis with a solid-cast metal cobalt-chromium base and a spherical concave obturating part |
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| CN109481149A (en) * | 2018-12-10 | 2019-03-19 | 上海交通大学医学院附属第九人民医院 | A kind of preparation method of maxillofacial operation art area pressurization cushion device |
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| CN110840641B (en) * | 2019-12-02 | 2021-10-08 | 首都医科大学附属北京口腔医院 | Individualized nose base shaper and manufacturing method thereof |
| CN111513881A (en) * | 2020-05-09 | 2020-08-11 | 北京大学口腔医学院 | Method and system for manufacturing maxillary defect prosthesis |
| CN111920537A (en) * | 2020-07-10 | 2020-11-13 | 上海交通大学医学院附属第九人民医院 | Digital generation preparation method based on three-dimensional printing technology |
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| CN114712007A (en) * | 2022-04-06 | 2022-07-08 | 爱迪特（秦皇岛）科技股份有限公司 | Method for manufacturing digital removable denture |
| CN114831779A (en) * | 2022-07-06 | 2022-08-02 | 四川大学 | Digital manufacturing method of hollow metal obturator for palatal fistula repair |
| CN114831779B (en) * | 2022-07-06 | 2022-09-13 | 四川大学 | Digital manufacturing method of hollow metal obturator for palatal fistula repair |
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