CN114948282B - Porcelain facing manufacturing method - Google Patents

Porcelain facing manufacturing method Download PDF

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Publication number
CN114948282B
CN114948282B CN202210524116.XA CN202210524116A CN114948282B CN 114948282 B CN114948282 B CN 114948282B CN 202210524116 A CN202210524116 A CN 202210524116A CN 114948282 B CN114948282 B CN 114948282B
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dimensional model
standard
casting
restoration
dimensional
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CN114948282A (en
Inventor
周枫
李嘉勇
潘南江
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Zhuhai Yunni Medical Technology Co ltd
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Zhuhai Yunni Medical Technology Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00Filling or capping teeth
    • A61C5/20Repairing attrition damage, e.g. facets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/0003Making bridge-work, inlays, implants or the like
    • A61C13/0004Computer-assisted sizing or machining of dental prostheses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/0003Making bridge-work, inlays, implants or the like
    • A61C13/0006Production methods
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/0003Making bridge-work, inlays, implants or the like
    • A61C13/0006Production methods
    • A61C13/0019Production methods using three dimensional printing

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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)
  • Dental Prosthetics (AREA)

Abstract

The invention discloses a porcelain veneering manufacturing method, which is characterized in that a standard sprue three-dimensional model is directly arranged on a three-dimensional model of a restoration body, so that the three-dimensional model of the restoration body and the standard sprue three-dimensional model form a whole, then 3D printing is carried out on the whole formed by the three-dimensional model of the restoration body and the standard sprue three-dimensional model, a restoration wax pattern is obtained by printing, the standard sprue end of the restoration wax pattern is connected with a casting base, and a restoration veneering finished product is obtained by adopting an embedding casting mode. According to the ceramic veneer manufacturing method, the standard sprue three-dimensional model is directly arranged on the restoration three-dimensional model in the model construction stage, and then the restoration wax pattern comprising the restoration wax pattern and the standard sprue wax pattern is printed out.

Description

Porcelain facing manufacturing method
Technical Field
The invention relates to the technical field of tooth veneers, in particular to a method for manufacturing a porcelain veneer.
Background
The tooth veneering is a technology of tooth whitening and repairing, namely, a layer of material similar to normal tooth color is stuck on the surface of the color-changed or defective tooth, so that the whitening or repairing effect is achieved. The prior art tooth veneers can be divided into resin veneers and porcelain veneers.
The porcelain facing is a tooth restoration, and is a restoration method for fixing a thin artificial porcelain restoration on the labial surface of a patient by using a bonding material so as to cover defects such as defect discoloration which affect the appearance. As a preservation repairing treatment means, the composition is widely used in clinic in recent years, and is particularly suitable for carrying out tooth beautifying repair on young permanent teeth and anterior teeth with large pulp cavities. The porcelain facing has the advantages of beautiful color, less tooth preparation amount, liquid absorption resistance, good biocompatibility, abrasion resistance, periodontal health care, firm and reliable bonding and the like. However, the ceramic veneer manufacturing process is complex, the production efficiency is low, the manufacturing cost is high, and the adaptability of ceramic veneer repair is reduced.
Therefore, how to change the current situation that the ceramic veneer has low production efficiency and low repair adaptability caused by high manufacturing cost in the prior art, becomes a problem to be solved urgently by the person skilled in the art.
Disclosure of Invention
The invention aims to provide a ceramic veneer manufacturing method, which solves the problems in the prior art, improves the production efficiency of the ceramic veneer, reduces the manufacturing cost of the ceramic veneer, and improves the repair adaptability of the ceramic veneer.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a method for manufacturing a porcelain facing, which comprises the following steps:
step one, designing a three-dimensional model of a prosthesis according to a tooth model;
installing a standard casting three-dimensional model on the three-dimensional model of the restoration in design software, wherein the three-dimensional model of the restoration is connected with the standard casting three-dimensional model;
thirdly, performing 3D printing on the three-dimensional model of the restoration body and the three-dimensional model of the standard casting way, and obtaining a restoration wax pattern;
and step four, connecting the repair wax pattern with a casting base, and obtaining a repair body veneering finished product by adopting an embedding casting mode.
Preferably, in the first step, the tooth model is scanned to obtain three-dimensional data of the tooth model, and the three-dimensional model of the prosthesis is designed according to the three-dimensional data of the tooth model.
Preferably, in the second step, one end of the standard sprue three-dimensional model is connected with the repair body three-dimensional model, and the other end of the standard sprue three-dimensional model is connected with the standard part three-dimensional model;
3D printing is carried out on the three-dimensional model of the restoration body, the three-dimensional model of the standard casting way and the three-dimensional model of the standard component, and the restoration wax pattern containing the standard component wax pattern is obtained;
and connecting the standard component end of the repair wax pattern with the casting base.
Preferably, in the second step, the number of the three-dimensional model of the prosthesis and the number of the three-dimensional model of the standard sprue are multiple and correspond to each other one by one.
Preferably, in the second step, the three-dimensional model of the standard component is disc-shaped.
Preferably, a plurality of sets of the three-dimensional model of the prosthesis and the three-dimensional model of the standard sprue are circumferentially distributed around the axis of the three-dimensional model of the standard part.
Preferably, part of the three-dimensional model of the restoration and the three-dimensional model of the standard sprue are arranged on the three-dimensional model of the standard part in a ring-shaped structure, and part of the three-dimensional model of the restoration and the three-dimensional model of the standard sprue are positioned in the ring-shaped structure.
Preferably, in the fourth step, the redundant supporting rods in the 3D printing process of the repair wax pattern are removed before the repair wax pattern is connected with the casting base.
Preferably, in the fourth step, the embedding material is stirred according to a preset proportion, the stirred embedding material is poured into the embedding ring, and the casting ring is obtained after standing for 30 min.
Preferably, in the fourth step, the embedded casting ring is placed into a heating furnace to be fired, the temperature is heated to 845+/-5 ℃, the repairing wax pattern is burnt out through high temperature, the fired casting ring is placed into a die casting furnace, and the casting porcelain block is placed into the die casting furnace to be die-cast, so that the repair body veneered finished product is obtained.
Compared with the prior art, the invention has the following technical effects: the method for manufacturing the porcelain facing comprises the following steps: step one, designing a three-dimensional model of a prosthesis according to a tooth model; installing a standard casting way three-dimensional model on the three-dimensional model of the restoration in design software, wherein the three-dimensional model of the restoration is connected with the standard casting way three-dimensional model; thirdly, performing 3D printing on the three-dimensional model of the restoration body and the three-dimensional model of the standard casting way, and obtaining restoration wax; and step four, connecting the repair wax pattern with the casting base, and obtaining a repair body veneering finished product by adopting an embedding casting mode.
According to the porcelain veneering manufacturing method, the standard sprue three-dimensional model is directly installed on the three-dimensional model of the restoration body, so that the three-dimensional model of the restoration body and the standard sprue three-dimensional model form a whole, then 3D printing is carried out on the whole formed by the three-dimensional model of the restoration body and the standard sprue three-dimensional model, a restoration wax pattern is obtained through printing, the standard sprue end of the restoration wax pattern is connected with a casting base, and a restoration veneering finished product is obtained through an embedding casting mode. According to the ceramic veneer manufacturing method, the standard sprue three-dimensional model is directly arranged on the restoration three-dimensional model in the model construction stage, and then the restoration wax pattern comprising the restoration wax pattern and the standard sprue wax pattern is printed out.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a second step in an embodiment of the porcelain facing manufacturing method of the present invention;
FIG. 2 is a schematic view of the other angles of FIG. 1;
fig. 3 is a schematic diagram of a second step in the implementation of the porcelain veneering method of the present invention.
Wherein 1 is a three-dimensional model of the prosthesis, 2 is a three-dimensional model of the standard casting way, and 3 is a three-dimensional model of the standard component.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a ceramic veneer manufacturing method, which solves the problems in the prior art, improves the production efficiency of the ceramic veneer, reduces the manufacturing cost of the ceramic veneer, and improves the repair adaptability of the ceramic veneer.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-3, fig. 1 is a schematic diagram of a second step in an embodiment of the method for manufacturing a ceramic veneer according to the present invention, fig. 2 is a schematic diagram of other angles of fig. 1, and fig. 3 is a schematic diagram of a second step in an embodiment of the method for manufacturing a ceramic veneer according to the present invention.
The invention provides a method for manufacturing a porcelain facing, which comprises the following steps:
step one, designing a three-dimensional model 1 of a prosthesis according to a tooth model;
step two, in design software, installing a standard casting way three-dimensional model 2 on the three-dimensional model 1 of the repairing body, wherein the three-dimensional model 1 of the repairing body is connected with the standard casting way three-dimensional model 2;
thirdly, performing 3D printing on the prosthesis three-dimensional model 1 and the standard casting way three-dimensional model 2 obtained in the second step, and obtaining a repair wax pattern;
and step four, connecting the standard casting channel end of the repaired wax type with a casting base, and obtaining a repair body veneering finished product by adopting an embedding casting mode. It should be explained herein that the repair wax pattern includes a repair wax pattern and a standard sprue wax pattern, and the repair wax pattern is connected to the standard sprue wax pattern, and the standard sprue end of the repair wax pattern is one end of the standard sprue wax pattern of the repair wax pattern.
According to the porcelain veneering manufacturing method, the standard sprue three-dimensional model 2 is directly installed on the three-dimensional model 1 of the restoration, so that the three-dimensional model 1 of the restoration and the standard sprue three-dimensional model 2 form a whole, then 3D printing is carried out on the whole formed by the three-dimensional model 1 of the restoration and the standard sprue three-dimensional model 2, a restoration wax pattern is obtained through printing, the standard sprue end of the restoration wax pattern is connected with a casting base, and a restoration veneering finished product is obtained through an embedding casting mode. According to the ceramic veneer manufacturing method, the standard sprue three-dimensional model 2 is directly arranged on the restoration three-dimensional model 1 in the model construction stage, and then the restoration wax pattern comprising the restoration wax pattern and the standard sprue wax pattern is printed out.
Specifically, in the first step, the tooth model may be scanned, so as to obtain three-dimensional data of the tooth model, and the three-dimensional model 1 of the prosthesis may be smoothly designed according to the three-dimensional data of the tooth model.
More specifically, in the second step, an operator can select proper design software according to actual needs or habits of the operator, and in the design software, one end of the standard sprue three-dimensional model 2 is connected with the repair body three-dimensional model 1, and the other end of the standard sprue three-dimensional model 2 is connected with the standard part three-dimensional model 3; 3D printing is carried out on the three-dimensional model 1 of the restoration body, the three-dimensional model 2 of the standard casting way and the three-dimensional model 3 of the standard component, and restoration wax is obtained; and then connecting the standard part end for repairing the wax pattern with the casting base, and carrying out subsequent operation. The standard component three-dimensional model 3 is designed at the other end of the standard casting way three-dimensional model 2, so that support is provided for smoothly carrying out 3D printing on the repair body three-dimensional model 1 and the standard casting way three-dimensional model 2, meanwhile, a layout foundation is provided for arranging a plurality of groups of complex body three-dimensional models and the standard casting way three-dimensional model 2, and the printed repair wax pattern is more convenient to connect with a casting base. In this embodiment, the repair wax pattern includes a repair wax pattern, a standard sprue wax pattern, and a standard component wax pattern, and the standard sprue wax pattern connects the repair wax pattern and the standard component wax pattern, and the standard component end of the repair wax pattern is specifically the standard component wax pattern end of the repair wax pattern.
In order to further improve the manufacturing efficiency of the porcelain veneers, in the second step, the number of the three-dimensional models 1 of the restoration body and the number of the three-dimensional models 2 of the standard casting way are multiple and correspond to each other one by one, so that multiple porcelain veneers can be produced at one time, the production and use cost of the porcelain veneers is reduced, and the porcelain veneers can be better used for tooth restoration.
In the specific embodiment, the standard part three-dimensional model 3 in the second step is disc-shaped, and in practical application, the shape of the standard part three-dimensional model 3 can be adjusted according to specific working conditions, so that the flexibility of the porcelain facing manufacturing method is improved.
In order to improve the structural strength of the repair wax pattern, a plurality of groups of repair body three-dimensional models 1 and standard casting three-dimensional models 2 are uniformly distributed around the axial line of the standard part three-dimensional model 3, and the plurality of groups of repair body three-dimensional models 1 and standard casting three-dimensional models 2 are uniformly distributed on the standard part three-dimensional model 3, so that the stress uniformity of the standard part is improved, the overall structural strength of the printed repair wax pattern is further ensured, and the reliability of ceramic veneer manufacturing is ensured.
In the specific embodiment, the part of the three-dimensional model 1 of the repairing body and the standard casting way three-dimensional model 2 are arranged on the standard part three-dimensional model 3 in an annular structure, and the part of the three-dimensional model 1 of the repairing body and the standard casting way three-dimensional model 2 are positioned in the annular structure, so that in the practical application, the shape and the size of the three-dimensional model 1 of the repairing body are different, and in order to improve the porcelain facing manufacturing efficiency to the greatest extent, in the specific embodiment, the part of the three-dimensional model 1 of the repairing body is arranged in the annular structure, and meanwhile, the part of the three-dimensional model 1 of the repairing body with proper size specification is arranged on the inner ring of the annular structure, so that the space is reasonably utilized, and the manufacturing efficiency is improved; in other specific embodiments of the invention, the arrangement mode of the three-dimensional model 1 of the prosthesis can be adjusted according to specific working conditions, so that the device is flexible and motorized.
In the fourth step, redundant supporting rods in the 3D printing process of the repairing wax pattern are removed before the repairing wax pattern is connected with the casting base, so that smooth production of the porcelain facing in the later stage is ensured, and the production precision of the porcelain facing is improved.
Further, in the fourth step, the embedding materials are stirred according to the preset proportion, the stirred embedding materials are poured into the embedding ring, and the casting ring is obtained after standing for 30 min; and (3) placing the embedded casting ring into a heating furnace for firing, heating to 845+/-5 ℃, repairing wax by using a high Wen Shaodiao, placing the fired casting ring into a die casting furnace, placing the die casting ceramic blocks, and die casting to obtain the finished product of the repair body veneering.
According to the porcelain veneering manufacturing method, a standard casting way three-dimensional model 2 is directly installed on a repairing body three-dimensional model 1, a plurality of groups of repairing body three-dimensional models 1 and standard casting way three-dimensional models 2 are reasonably arranged on a standard component three-dimensional model 3, then 3D printing is carried out on the whole formed by the repairing body three-dimensional model 1, the standard casting way three-dimensional model 2 and the standard component three-dimensional model 3, a repairing wax pattern is obtained through printing, the standard casting way end of the repairing wax pattern is connected with a casting base, and an embedding casting mode is adopted to obtain a repairing body veneering finished product. According to the ceramic veneer manufacturing method, in the model construction stage, the standard casting channel three-dimensional model 2 is directly installed on the repairing body three-dimensional model 1, and then the repairing wax is printed, so that the ceramic veneer manufacturing flow is shortened, a plurality of ceramic veneers are manufactured at one time through reasonable layout, the production efficiency of the ceramic veneers is effectively improved, meanwhile, the labor is greatly saved, the manufacturing cost of the ceramic veneers is reduced, and the repairing adaptability of the ceramic veneers is improved.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (7)

1. The manufacturing method of the porcelain facing is characterized by comprising the following steps:
step one, designing a three-dimensional model of a prosthesis according to a tooth model;
installing a standard casting three-dimensional model on the three-dimensional model of the restoration in design software, wherein the three-dimensional model of the restoration is connected with the standard casting three-dimensional model; one end of the standard sprue three-dimensional model is connected with the repair body three-dimensional model, and the other end of the standard sprue three-dimensional model is connected with the standard part three-dimensional model; the number of the repair body three-dimensional models and the number of the standard casting channel three-dimensional models are multiple and correspond to each other one by one;
thirdly, performing 3D printing on the three-dimensional model of the restoration body, the three-dimensional model of the standard casting way and the three-dimensional model of the standard component, and obtaining a restoration wax pattern containing a wax pattern of the standard component;
and step four, connecting the standard component end of the repair wax type with a casting base, and obtaining a repair body veneering finished product in an embedding casting mode.
2. The method for manufacturing a porcelain facing according to claim 1, wherein: in the first step, the tooth model is scanned to obtain three-dimensional data of the tooth model, and the three-dimensional model of the prosthesis is designed according to the three-dimensional data of the tooth model.
3. The method for manufacturing a porcelain facing according to claim 1, wherein: in the second step, the standard part three-dimensional model is disc-shaped.
4. A method of making a porcelain facing as claimed in claim 3 wherein: and a plurality of groups of the repair body three-dimensional models and the standard casting three-dimensional models are circumferentially and uniformly distributed around the axis of the standard component three-dimensional model.
5. A method of making a porcelain facing as claimed in claim 3 wherein: and part of the three-dimensional model of the restoration and the three-dimensional model of the standard casting way are arranged on the three-dimensional model of the standard part in a ring-shaped structure, and part of the three-dimensional model of the restoration and the three-dimensional model of the standard casting way are positioned in the ring-shaped structure.
6. The method for manufacturing a porcelain facing according to claim 1, wherein: and fourthly, stirring the embedding material according to a preset proportion, pouring the stirred embedding material into the embedding ring, and standing for 30min to obtain the casting ring.
7. The method of making a ceramic veneer according to claim 6, wherein: and step four, placing the embedded casting ring into a heating furnace for firing, heating to 845+/-5 ℃, burning the repairing wax at a high temperature, placing the fired casting ring into a die casting furnace, placing the casting porcelain block, and die casting to obtain the repair body veneering finished product.
CN202210524116.XA 2022-05-13 2022-05-13 Porcelain facing manufacturing method Active CN114948282B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102579149A (en) * 2012-02-17 2012-07-18 北京爱威白商贸有限公司 Manufacturing method for tooth repairing paster based on computer aided design (CAD) technology and rapid prototyping (RP) technology
CN105125413A (en) * 2015-07-17 2015-12-09 南宁市美皓医疗器械有限公司 Manufacturing method of minimally invasive molar glass porcelain laminate veneer
CN107468357A (en) * 2017-09-07 2017-12-15 北京佳美医院管理有限责任公司 A kind of Buccodental digitizes ultra-thin surfacing process
CN107625551A (en) * 2016-07-14 2018-01-26 秦皇岛爱迪特高技术陶瓷有限公司 The processing method of zirconium oxide veneer
CN110200709A (en) * 2019-07-15 2019-09-06 杨桐 A kind of skeleton porcelain tooth veneer and preparation method thereof from standby tooth
KR102247469B1 (en) * 2020-06-29 2021-04-30 이노범 Manufacturing method of dental medical supplies using 3D printing and centrifugal casting and its dental medical supplies

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102579149A (en) * 2012-02-17 2012-07-18 北京爱威白商贸有限公司 Manufacturing method for tooth repairing paster based on computer aided design (CAD) technology and rapid prototyping (RP) technology
CN105125413A (en) * 2015-07-17 2015-12-09 南宁市美皓医疗器械有限公司 Manufacturing method of minimally invasive molar glass porcelain laminate veneer
CN107625551A (en) * 2016-07-14 2018-01-26 秦皇岛爱迪特高技术陶瓷有限公司 The processing method of zirconium oxide veneer
CN107468357A (en) * 2017-09-07 2017-12-15 北京佳美医院管理有限责任公司 A kind of Buccodental digitizes ultra-thin surfacing process
CN110200709A (en) * 2019-07-15 2019-09-06 杨桐 A kind of skeleton porcelain tooth veneer and preparation method thereof from standby tooth
KR102247469B1 (en) * 2020-06-29 2021-04-30 이노범 Manufacturing method of dental medical supplies using 3D printing and centrifugal casting and its dental medical supplies

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