CN110236715A - A kind of personalization removable partial denture and its design method, manufacturing method - Google Patents
A kind of personalization removable partial denture and its design method, manufacturing method Download PDFInfo
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- CN110236715A CN110236715A CN201910552552.6A CN201910552552A CN110236715A CN 110236715 A CN110236715 A CN 110236715A CN 201910552552 A CN201910552552 A CN 201910552552A CN 110236715 A CN110236715 A CN 110236715A
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- CN
- China
- Prior art keywords
- rest
- width
- teeth
- bar
- connector
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Classifications
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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
-
- 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
- A61C13/01—Palates or other bases or supports for the artificial teeth; Making same
-
- 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
Abstract
The invention discloses a kind of design method of personalized removable partial denture, the removable denture designed using the design method, and the method for manufacturing the removable denture.Design method is integrally formed design, reduces patient assessment's number, has saved doctors and patients' time.The removable denture designed solves the problems, such as removable partial denture multiple material, multi-part in the prior art.The method of manufacturing activities artificial tooth solves the problems, such as to cast existing manufacturing process very complicated in prior art, subtracts material manufacture material and cannot make full use of.
Description
Technical field
The invention belongs to removable partial denture technical fields, are related to a kind of design method of personalized removable partial denture,
The removable denture designed using the design method, and the method for manufacturing the removable denture.
Background technique
There is a nearly century as the effective ways for repairing defect of dentition in removable partial denture (RPD), but by
In the complexity of removable partial denture metallic support, still mainly pass through traditional manual lost-wax casting technology system both at home and abroad at present
Make, various mistakes easily occurs in manufacturing process very complicated, and is highly dependent on the clinical experience and manufacture skill of technician.
Summary of the invention
The first purpose of the invention is to provide a kind of design methods of personalized removable partial denture, are integrally formed and set
Meter, reduces patient assessment's number, has saved doctors and patients' time.
It is a kind of design method of personalized removable partial denture that the present invention, which uses first technical solution, specifically
It follows the steps below to implement:
Step 1, to needing to placeThe tooth body region preparation of rest；Prepared standard in tooth body specifically, be engaged
Face preparationRest is recessed；The recessed width of rest is to grind one's teeth in sleep the 1/3 of buccolingual diameter, or is the 1/2 of premolar teeth buccolingual diameter；Rest
Recessed height is 1.3~1.6mm；The recessed length of rest is to grind one's teeth in sleep the 1/4 of near and far diameter, or is the 1/ of the near and far diameter of premolar teeth
3；Axis angle round blunt；
Step 2 carries out oral cavity scanning to patient's agomphosis jaw using 3Shape software, obtains the oral cavity number of patient's agomphosis jaw
According to；Alternatively, preparing plaster cast according to the agomphosis jaw after preparation, plaster cast is scanned, obtains plaster cast data, it is defeated
It is out STL formatted file；
Step 3 imports the STL formatted file of step 2 in 3Shape software, and progress can pluck setting for local movement artificial tooth
Meter.
The features of the present invention also characterized in that:
Step 3 is specifically implemented according to the following steps:
Step 3.1 fills concave region on the model of STL format；
Step 3.2 arranges tooth according to edentulous area, and the position of tooth is corresponding with agomphosis position；
Step 3.3 designs base on edentulous area surface；The base is expanded to palate side/tongue side；The upper jaw dissociate end cap excessively on
Jaw tubercle, and expand to the middle part of hamular notch；Preceding the 1/3~1/2 of the rear covering retromolar pad of lower jaw free-end, and
The area Jia Peng is fully extended；
Step 3.4, according to edentulous area size design connector；The base of two sides is connected by connector；Connector
Shape and model surface shape are adapted, and tissue surface fits with model surface；
Step 3.5, according to patient's natural teeth configuration design snap ring；The cheek lingual surface phase of the shape of snap ring and patient's natural teeth body
It adapts to；
Step 3.6, according to preparedThe recessed meter of restRest；Rest withRest concave shape, size are mutually fitted
It answers；Rest withRest is recessed mutually closely sealed, is in ball impression contact relation；
Step 3.7 makes edge round blunt to bracket progress refine.
A second object of the present invention is to provide a kind of removable denture designed using above-mentioned design method, solve existing
There are removable partial denture multiple material in technology, multi-part problem.
It is the removable denture designed using above-mentioned design method that the present invention, which uses second technical solution, including
Using the integrally formed tooth of polyether-ether-ketone, snap ring, connector,Rest, base.
The features of the present invention also characterized in that:
Connector is made of anterior palatal bar, side palate bar a, posterior palatal bar, the side palate bar b for being sequentially connected and being closed；Connector surface
Be arranged it is textured, texture imitate human body palatine fold be configured, for storing saliva；
Anterior palatal bar with a thickness of 1mm, width is 6~8mm；
For posterior palatal bar with a thickness of 1.5~2mm, width is 3~4mm；
Side palate bar a, side palate bar b with a thickness of 1~1.5mm, width is 3~3.5mm；
The distance between the rear of anterior palatal bar and the leading edge of posterior palatal bar are 15mm or more.
Connector is lower jaw lingual bar；With a thickness of 2~3mm, width is 3~4mm；Edge round blunt.
Connector is palate plate；With a thickness of 1~2.5mm；Surface setting is textured, and texture imitates human body palatine fold and set
It sets, for storing saliva.
The arm point width of snap ring is 1.3~1.5mm, with a thickness of 0.9~1.1mm；Arm body portion's width is 1.5~1.6mm, thick
Degree is 1.1~1.2mm；Arm initial part width is 1.6~1.8mm, with a thickness of 1.3~1.4mm.
The width of rest is to grind one's teeth in sleep the 1/3 of buccolingual diameter, or is the 1/2 of premolar teeth buccolingual diameter；Height is 1.3~1.6mm；
Length is to grind one's teeth in sleep the 1/4 of near and far diameter, or is the 1/3 of the near and far diameter of premolar teeth, axis angle round blunt.
Third object of the present invention is to provide a kind of methods for manufacturing above-mentioned removable denture, solve in prior art and cast
It makes existing manufacturing process very complicated, subtract the problem of material manufacture material cannot make full use of.
The technical solution of the used third of the present invention is the method for manufacturing above-mentioned removable denture, is carried out using FDM method
3D printing manufacture；It further include post-processing, post-processing detailed process is snap ring to be isolated with heat-barrier material, in 280~330
1.5~2.5h of high-temperature process at DEG C.
The beneficial effects of the present invention are: carrying out setting for agomphosis jaw artificial tooth according to the digital model of oral cavity or plaster cast
Meter, is integrally formed by 3D printing, and opposite traditional handicraft simplifies production process, time, energy and material has been saved, to patient
For reduce physician office visits.And polyether-ether-ketone has excellent physicochemical property, bio-mechanical performance, biocompatibility, it is natural
Transmittance is radiated, compared with metal material, color is easy to be accepted by patients, and alleviates artificial tooth weight, elasticity modulus and people
Body cortex bone is more closely, bone resorption and osteanabrosis caused by stress shielding can be effectively reduced.
Detailed description of the invention
Fig. 1 is the removable denture that the design method of personalized removable partial denture of the invention is designed and connecting plate is palate bar
Structural schematic diagram；
Fig. 2 is the removable denture that the design method of personalized removable partial denture of the invention is designed and connecting plate is lower jaw
The structural schematic diagram of lingual bar；
Fig. 3 is the removable denture that the design method of personalized removable partial denture of the invention is designed and connecting plate is palate plate
Structural schematic diagram.
In figure, 1. teeth, 2. snap rings, 3. connectors, 4.Rest, 5. bases.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of design method of personalized removable partial denture of the present invention, is specifically implemented according to the following steps:
Step 1, to needing to placeThe tooth body region preparation of rest；Prepared standard in tooth body specifically, be engaged
Face preparationRest is recessed；The recessed width of rest is to grind one's teeth in sleep the 1/3 of buccolingual diameter, or is the 1/2 of premolar teeth buccolingual diameter；Rest
Recessed height is 1.3~1.6mm；The recessed length of rest is to grind one's teeth in sleep the 1/4 of near and far diameter, or is the 1/ of the near and far diameter of premolar teeth
3；Axis angle round blunt；
Step 2 carries out oral cavity scanning to patient's agomphosis jaw using 3Shape software, obtains the oral cavity number of patient's agomphosis jaw
According to；Alternatively, preparing plaster cast according to the agomphosis jaw after preparation, plaster cast is scanned, obtains plaster cast data, it is defeated
It is out STL formatted file；
Step 3 imports the STL formatted file of step 2 in 3Shape software, and progress can pluck setting for local movement artificial tooth
Meter；
Step 3 is specifically implemented according to the following steps:
Step 3.1 fills concave region on the model of STL format；
Step 3.2 arranges tooth according to edentulous area, and the position of tooth is corresponding with agomphosis position；
Step 3.3 designs base on edentulous area surface；The base is expanded to palate side/tongue side；The upper jaw dissociate end cap excessively on
Jaw tubercle, and expand to the middle part of hamular notch；Preceding the 1/3~1/2 of the rear covering retromolar pad of lower jaw free-end, and
The area Jia Peng is fully extended；
Step 3.4, according to edentulous area size design connector；The base of two sides is connected by connector；Connector
Shape and model surface shape are adapted, and tissue surface fits with model surface；
Step 3.5, according to patient's natural teeth configuration design snap ring；The cheek lingual surface phase of the shape of snap ring and patient's natural teeth body
It adapts to；
Step 3.6, according to preparedThe recessed meter of restRest；Rest withRest concave shape, size are mutually fitted
It answers；Rest withRest is recessed mutually closely sealed, is in ball impression contact relation；
Step 3.7 makes edge round blunt to bracket progress refine.
The removable denture designed using above-mentioned design method, including using the integrally formed tooth 1 of polyether-ether-ketone, snap ring 2,
Connector 3,Rest 4, base 5.
As shown in Figure 1, connector 3 is made of anterior palatal bar, side palate bar a, posterior palatal bar, the side palate bar b for being sequentially connected and being closed；
The setting of 3 surface of connector is textured, and texture imitates human body palatine fold and is configured, for storing saliva；
Anterior palatal bar with a thickness of 1mm, width is 6~8mm；
For posterior palatal bar with a thickness of 1.5~2mm, width is 3~4mm；
Side palate bar a, side palate bar b with a thickness of 1~1.5mm, width is 3~3.5mm；
The distance between the rear of anterior palatal bar and the leading edge of posterior palatal bar are 15mm or more.
As shown in Fig. 2, connector 3 is lower jaw lingual bar；With a thickness of 2~3mm, width is 3~4mm；Edge round blunt.
As shown in figure 3, connector 3 is palate plate；With a thickness of 1~2.5mm；Surface setting is textured, and texture imitates human body palate
Pleat is configured, for storing saliva.
The arm point width of snap ring 2 is 1.3~1.5mm, with a thickness of 0.9~1.1mm；Arm body portion's width is 1.5~1.6mm,
With a thickness of 1.1~1.2mm；Arm initial part width is 1.6~1.8mm, with a thickness of 1.3~1.4mm.
The width of rest 4 is to grind one's teeth in sleep the 1/3 of buccolingual diameter, or is the 1/2 of premolar teeth buccolingual diameter；Height for 1.3~
1.6mm；Length is to grind one's teeth in sleep the 1/4 of near and far diameter, or is the 1/3 of the near and far diameter of premolar teeth, axis angle round blunt.
3D printing manufacture is carried out using FDM method；It further include post-processing, post-processing detailed process is, will with heat-barrier material
Snap ring 2 is isolated, 1.5~2.5h of high-temperature process at 280~330 DEG C.
The advantages of removable denture that the design method of personalization removable partial denture of the invention is designed are as follows: according to oral cavity or
The digital model of plaster cast carries out the design of agomphosis jaw artificial tooth, is integrally formed by 3D printing, and opposite traditional handicraft simplifies
Production process, has saved time, energy and material, physician office visits is reduced for patient.And polyether-ether-ketone is with excellent
Physicochemical property, bio-mechanical performance, biocompatibility, natural radiation transmittance, compared with metal material, color be easy to by
Patient receives, and alleviates artificial tooth weight, elasticity modulus is caused with human Cortex's bone more closely, stress shielding can be effectively reduced
Bone resorption and osteanabrosis.
Claims (9)
1. a kind of design method of personalization removable partial denture, which is characterized in that be specifically implemented according to the following steps:
Step 1, to needing to placeThe tooth body region preparation of rest；Prepared standard is specifically, pre- in tooth body occlusal surface
It is standbyRest is recessed；The recessed width of rest is to grind one's teeth in sleep the 1/3 of buccolingual diameter, or is the 1/2 of premolar teeth buccolingual diameter；Rest is recessed
Height is 1.3~1.6mm；The recessed length of rest is to grind one's teeth in sleep the 1/4 of near and far diameter, or is the 1/3 of the near and far diameter of premolar teeth；
Axis angle round blunt；
Step 2 carries out oral cavity scanning to patient's agomphosis jaw using 3Shape software, obtains the oral cavity data of patient's agomphosis jaw；Or
Person prepares plaster cast according to the agomphosis jaw after preparation, is scanned to plaster cast, obtains plaster cast data, exports and is
STL formatted file；
Step 3 imports the STL formatted file of step 2 in 3Shape software, carries out the design that can pluck local movement artificial tooth.
2. the design method of personalization removable partial denture as described in claim 1, which is characterized in that the step 3 is specific
It follows the steps below to implement:
Step 3.1 fills concave region on the model of STL format；
Step 3.2 arranges tooth according to edentulous area, and the position of tooth is corresponding with agomphosis position；
Step 3.3 designs base on edentulous area surface；The base is expanded to palate side/tongue side；The free end cap of the upper jaw crosses upper jaw knot
Section, and expand to the middle part of hamular notch；Preceding the 1/3~1/2 of the rear covering retromolar pad of lower jaw free-end, and in cheek canopy
Area is fully extended；
Step 3.4, according to edentulous area size design connector；The base of two sides is connected by connector；The shape of connector
It is adapted with model surface shape, tissue surface fits with model surface；
Step 3.5, according to patient's natural teeth configuration design snap ring；The shape of snap ring and the cheek lingual surface of patient's natural teeth body are mutually fitted
It answers；
Step 3.6, according to preparedThe recessed meter of restRest；Rest withRest concave shape, size are adapted；
Rest withRest is recessed mutually closely sealed, is in ball impression contact relation；
Step 3.7 makes edge round blunt to bracket progress refine.
3. the removable denture designed using design method described in as claimed in claim 1 or 22, which is characterized in that including using polyethers
The integrally formed tooth of ether ketone (1), snap ring (2), connector (3),Rest (4), base (5).
4. removable denture as claimed in claim 3, which is characterized in that before the connector (3) is by being sequentially connected and being closed
Palate bar, side palate bar a, posterior palatal bar, side palate bar b composition；Connector (3) surface setting it is textured, texture imitate human body palatine fold into
Row setting, for storing saliva；
The anterior palatal bar with a thickness of 1mm, width is 6~8mm；
For the posterior palatal bar with a thickness of 1.5~2mm, width is 3~4mm；
The side palate bar a, side palate bar b with a thickness of 1~1.5mm, width is 3~3.5mm；
The distance between the rear of the anterior palatal bar and the leading edge of posterior palatal bar are 15mm or more.
5. removable denture as claimed in claim 3, which is characterized in that the connector (3) is lower jaw lingual bar；With a thickness of 2~
3mm, width are 3~4mm；Edge round blunt.
6. removable denture as claimed in claim 3, which is characterized in that the connector (3) is palate plate；With a thickness of 1~
2.5mm；Surface setting is textured, and texture imitates human body palatine fold and is configured, for storing saliva.
7. removable denture as claimed in claim 3, which is characterized in that the arm point width of the snap ring (2) is 1.3~1.5mm,
With a thickness of 0.9~1.1mm；Arm body portion's width is 1.5~1.6mm, with a thickness of 1.1~1.2mm；Arm initial part width be 1.6~
1.8mm, with a thickness of 1.3~1.4mm.
8. removable denture as claimed in claim 3, which is characterized in that describedThe width of rest (4) is buccolingual diameter of grinding one's teeth in sleep
1/3, or be the 1/2 of premolar teeth buccolingual diameter；Height is 1.3~1.6mm；Length is to grind one's teeth in sleep the 1/4 of near and far diameter, or is premolar teeth
The 1/3 of near and far diameter, axis angle round blunt.
9. the method for removable denture described in manufacturing claims 3, which is characterized in that carry out 3D printing manufacture using FDM method；Also
Including post-processing, post-processing detailed process is snap ring (2) to be isolated with heat-barrier material, at 280~330 DEG C at high temperature
Manage 1.5~2.5h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552552.6A CN110236715A (en) | 2019-06-25 | 2019-06-25 | A kind of personalization removable partial denture and its design method, manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552552.6A CN110236715A (en) | 2019-06-25 | 2019-06-25 | A kind of personalization removable partial denture and its design method, manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110236715A true CN110236715A (en) | 2019-09-17 |
Family
ID=67889235
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|---|---|---|---|
| CN201910552552.6A Pending CN110236715A (en) | 2019-06-25 | 2019-06-25 | A kind of personalization removable partial denture and its design method, manufacturing method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2319470C2 (en) * | 2005-11-30 | 2008-03-20 | Николай Адольфович Молчанов | Removable artificial denture |
| CN105852998A (en) * | 2016-05-12 | 2016-08-17 | 中国人民解放军第四军医大学 | Automatic CAD/CAM/3D processing method of dental prostheses |
| CN109223218A (en) * | 2018-10-24 | 2019-01-18 | 邢浩 | Rack-type movable Dental CAD/CAM digitized manufacturing system method |
| CN109528330A (en) * | 2018-12-20 | 2019-03-29 | 成都登特牙科技术开发有限公司 | The digitalized design method of removalbe partial denture bracket |
-
2019
- 2019-06-25 CN CN201910552552.6A patent/CN110236715A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2319470C2 (en) * | 2005-11-30 | 2008-03-20 | Николай Адольфович Молчанов | Removable artificial denture |
| CN105852998A (en) * | 2016-05-12 | 2016-08-17 | 中国人民解放军第四军医大学 | Automatic CAD/CAM/3D processing method of dental prostheses |
| CN109223218A (en) * | 2018-10-24 | 2019-01-18 | 邢浩 | Rack-type movable Dental CAD/CAM digitized manufacturing system method |
| CN109528330A (en) * | 2018-12-20 | 2019-03-29 | 成都登特牙科技术开发有限公司 | The digitalized design method of removalbe partial denture bracket |
Non-Patent Citations (2)
| Title |
|---|
| 国家执业医师资格考试应试教材编写组编: "《国家执业医师资格考试应试指导》", 31 March 2009, 新世界出版社 * |
| 张惠强: "《口腔修复学应试向导》", 31 January 2014, 同济大学出版社 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190917 |
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