CN110575269A - Method for manufacturing digital PEAK base material prosthesis and method for bonding digital PEAK base material prosthesis with tooth body - Google Patents
Method for manufacturing digital PEAK base material prosthesis and method for bonding digital PEAK base material prosthesis with tooth body Download PDFInfo
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- CN110575269A CN110575269A CN201910827284.4A CN201910827284A CN110575269A CN 110575269 A CN110575269 A CN 110575269A CN 201910827284 A CN201910827284 A CN 201910827284A CN 110575269 A CN110575269 A CN 110575269A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/20—Repairing attrition damage, e.g. facets
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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
- B29C64/10—Processes of additive manufacturing
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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 [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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Abstract
The invention discloses a method for manufacturing a digital PEAK base material prosthesis, which comprises the following steps: s1: scanning the oral cavity of a patient by adopting a scanner, acquiring digital models of the upper jaw and the lower jaw of the patient, and acquiring a bite relation; s2: designing a digital prosthesis model by combining design software based on the obtained digital model; s3: applying PEEK/PEKK material and combining with a digital prosthesis model to manufacture a prosthesis; the invention also discloses a method for bonding the digital PEAK base material prosthesis and the tooth body, the invention adopts the digital scanning technology to scan and obtain the digital model of the oral cavity of the patient, which not only solves the discomfort brought to the patient by the traditional model taking mode, but also ensures the treatment effect, in addition, the prosthesis made of PEEK/PEKK material has the advantages of good strength, durability, wear resistance, aging resistance, large space for improving the aesthetic property, excellent biocompatibility, semi-radiation resistance of rays, light weight, lower cost and the like.
Description
Technical Field
The invention relates to the technical field of oral restoration, in particular to a manufacturing method of a digital PEAK base material restoration and a bonding method of the restoration and a tooth body.
Background
The clinical selection of the traditional oral cavity repairing material is still limited to the old three types (resin, metal and ceramic), and the three materials have the limitations and cannot meet the clinical requirements. The color of the resin is close to that of natural teeth, the aesthetic property is good, but the resin material has low hardness, is easy to age, is easy to abrade natural teeth of the jaw, has the problems of micro-leakage and the like, and is less and less in clinical application though continuous material improvement; the metal material has the advantages of high strength, corrosion resistance, good fatigue resistance and the like, but has the defects of unattractive color, high hardness (easy to wear and tear to natural teeth of the jaw) and the like; in recent years, patients have better aesthetic requirements, and some patients are rejected by selection of metal materials (such as sensitivity to metal odor, metal allergy and negative influence of metal on nuclear magnetic resonance examination), the non-metallized oral cavity repair material is becoming the mainstream of clinical material selection, and currently, ceramics is the most representative inorganic non-metal repair material, and has the advantages of beautiful color and good biocompatibility, has the defects of high brittleness, easy breakage and high price, and greatly limits the clinical indications (for example, the ceramic cannot be used for repairing removable dentures). At present, the ceramic materials which are commonly used clinically are mainly glass ceramic and zirconium dioxide ceramic materials, but the hardness and the elastic modulus of the ceramic materials are far greater than those of natural teeth, the ceramic materials are easy to abrade the natural teeth of the jaw, and the clinical effect of the prosthesis is influenced by the overweight of the prosthesis.
In addition, the production of traditional prostheses requires intraoral impression taking and most patients experience discomfort and even nausea and vomiting.
Disclosure of Invention
the invention aims to overcome the defects of the prior art and provide a manufacturing method of a digital PEAK base material prosthesis and a bonding method of the digital PEAK base material prosthesis and a tooth body.
in order to solve the technical problems, the technical scheme of the invention is as follows:
A method for manufacturing a digital PEAK substrate prosthesis comprises the following steps:
S1: scanning the oral cavity of a patient by adopting a scanner, acquiring digital models of the upper jaw and the lower jaw of the patient, and acquiring a bite relation;
s2: designing a digital restoration body model by combining digital design software based on the obtained digital model;
S3: and manufacturing a restoration by combining a restoration material and a digital restoration model, wherein the restoration material comprises PEEK or PEKK.
further, S3 further includes: after the prosthesis is manufactured, the bonding surface used for bonding with the tooth body on the prosthesis is processed to form micro-ornamentation for improving the specific surface area and the surface roughness.
In the foregoing method for manufacturing a digitized PEAK substrate prosthesis, S3 further includes: and processing and forming micro-ornamentation for improving the specific surface area and the surface roughness on the outer surface of the prosthesis, and then performing baking molding on the outer surface of the prosthesis.
in the foregoing method for manufacturing the digitized PEAK substrate prosthesis, the method for manufacturing the prosthesis in S3 is cutting by a cutting device or printing by a 3D printing technique.
In the method for manufacturing the digital PEAK base material restoration, the processing mode of the micro-texture is cutting or 3D printing.
In the above method for manufacturing the digitized PEAK substrate prosthesis, the material of the prosthesis in S3 further includes one or more of titanium dioxide, porcelain powder, iron oxide, aluminum oxide, and zirconium oxide.
In the method for manufacturing the digitized PEAK substrate prosthesis, the scanner in the S1 is a scanner with a model number of 3shape d 2000.
In the above method for manufacturing the digitized PEAK substrate prosthesis, the digital design software in S2 is 3Shape Dental Manager Client design software.
a method for bonding a digital PEAK base material prosthesis with a tooth body comprises the following steps:
S1, uniformly coating visio.link on the bonding surface of the prosthesis for bonding with the tooth, blowing lightly after 10S, uniformly coating resin adhesive after photocuring for 90S, and photocuring for 20S after 10S;
S2: wetting the corresponding abutment, acid etching the bonding surface of the abutment with 37% orthophosphoric acid for 30s, washing with running water, drying under sealed conditions, coating resin adhesive on the bonding surface of the abutment for 15s, and photocuring for 20s
s3: coating the resin cement on the bonding surface of the restoration, then wearing the restoration on a corresponding abutment, carrying out photocuring for 2s, removing the redundant resin cement, and then carrying out photocuring for 20 s;
s4: the occlusion is checked through occlusion paper, so that the patient is ensured to have no occlusion interference, and the adhesion of the prosthesis and the tooth body is completed.
The invention has the beneficial effects that:
(1) the invention adopts the digital scanning technology to scan and obtain the digital model of the oral cavity of the patient, and the digital model can completely provide various preoperative data required for making a treatment plan, thereby not only solving the problem of discomfort brought to the patient by the traditional mode taking mode, but also ensuring the treatment effect;
(2) Compared with the traditional oral cavity restoration 'old three-sample' material, the PEAK material has the following performance advantages: compared with resin materials, the high-strength wear-resistant and wear-resistant composite material has good strength, and is durable and wear-resistant and ageing-resistant; compared with metal materials, the material has the advantages of large space for improving aesthetic properties, excellent biocompatibility and semi-radiation resistance; compared with ceramic materials, the material toughness is far better than that of ceramics, the weight is lighter and the cost is lower; in addition, the PEEK/PEKK material can be used for digital fixed restoration of deciduous teeth, transitional crowns and inlays of young permanent teeth of children, replaces the traditional preformed crown, can also be used for manufacturing fixed restorations of adults, and has wider application range;
(3) In the invention, one or more of titanium dioxide, porcelain powder, ferric oxide, aluminum oxide and zirconium oxide are also added and mixed in the PEAK material, the color of the restoration can be changed by adding the raw materials, for example, the color of the restoration can be changed into white by adding the titanium dioxide, and the color of the restoration can be changed into red by adding the ferric oxide, so that the restoration is more beautiful and is more matched with the color in the oral cavity;
(4) The bonding surface of the prepared prosthesis is processed to form the micro-ornamentation, so that the volume of the adhesive is increased, the specific surface of the bonding surface is increased, and the micro-mechanical locking force of the resin-based adhesive is greatly increased, thereby greatly improving the bonding performance of the prosthesis and the abutment; the micro-ornamentation can be processed on the outer surface of the restoration body, and then the restoration body is subjected to plastic baking in vitro, so that the connection stability of the restoration body and the plastic baking is improved;
(5) the coarsened surface on the bonding surface of the prosthesis can be printed by a 3D printing technology, so that the problems of material waste, cutter abrasion, multiple processing cycle times and the like are avoided;
(6) the invention coats visio.link on the bonding surface of the restoration, then coats resin adhesive, then coats resin cement, coats resin cement after the surface of the tooth is acid-etched, finally bonds the restoration and the tooth, the resin adhesive can improve the bonding performance of the resin cement, the restoration and the tooth, and visio.link is an adhesive containing methyl methacrylate, the adhesive can generate chemical bond bonding reaction with PEAK material, thus improving the bonding performance of the restoration and the resin adhesive; the surface of the tooth body is coated with the resin adhesive after acid etching, and the micro-mechanical locking force of the resin adhesive is increased, so that the bonding performance of the resin adhesive and the tooth body is improved.
drawings
FIG. 1 is a digital model of a patient's mouth scanned;
FIG. 2 is a schematic view of the produced prosthesis;
FIG. 3 is a schematic view of a patient's mouth;
FIG. 4 is a schematic view of the patient's mouth after wearing the prosthesis;
FIG. 5 is a front view of the patient's teeth after the prosthesis is worn;
FIG. 6 is a table of performance parameters for PEEK/PEKK;
FIG. 7 is a schematic view of a micro-texture;
fig. 8 is a reaction diagram of PEEK/PEKK material with visio.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
example 1:
the embodiment provides a method for manufacturing a digital PEAK substrate prosthesis, which comprises the following steps:
S1: scanning the oral cavity of a patient by adopting a scanner with the model of 3shape D2000, acquiring digital models of the upper jaw and the lower jaw of the patient, acquiring a bite relation, and referring to the obtained digital models to be shown in figure 1;
S2: designing a digital restoration body model by combining with 3Shape Dental Manager Client design software based on the obtained digital model, trimming and filling the digital restoration body model into a concave design, checking the occlusion condition after the design is finished, designing a bonding surface for bonding with a tooth body on the restoration body to form a micro-texture for improving the specific surface area and the surface roughness, and forming a roughened surface, wherein the micro-texture comprises a plurality of bumps, grooves or bumps and grooves arranged on the bonding surface, and the bumps and the grooves can be geometric bodies with regular shapes or irregular shapes, which is shown in figure 7;
s3: preparing a restoration material which contains 5-20% of titanium dioxide in volume fraction, 1-10% of ferric oxide in volume fraction and the balance of PEEK material, then adding the restoration material into 3D printing equipment, and printing the restoration by combining a digital restoration model, wherein the bonding surface of the restoration obtained by printing is a roughened surface containing micro-ornamentation.
the addition of titanium dioxide with 5-20% volume fraction in the prosthesis material can make the prosthesis color turn white, and the addition of iron oxide with 1-10% volume fraction can make the prosthesis color turn red, so that the prosthesis is more beautiful and more suitable for the color in the oral cavity.
The bonding surface is processed with micro-texture to form a roughened surface, so that the volume of the adhesive can be increased, the specific surface of the bonding surface is increased, and the micro-mechanical locking force of the adhesive is increased, thereby improving the bonding performance of the prosthesis and the abutment.
The embodiment also provides a method for bonding the digital PEAK base material prosthesis and the tooth body, which comprises the following steps:
s1, uniformly coating visio.link on the bonding surface of the prosthesis for bonding with the tooth, blowing lightly after 10S, uniformly coating resin adhesive after photocuring for 90S, and photocuring for 20S after 10S;
S2: wetting the corresponding abutment, acid etching the bonding surface of the abutment with 37% orthophosphoric acid for 30s, washing with running water, drying under sealed conditions, coating resin adhesive on the bonding surface of the abutment for 15s, and photocuring for 20s
S3: coating the resin cement on the bonding surface of the restoration, then wearing the restoration on a corresponding abutment, carrying out photocuring for 2s, removing the redundant resin cement, and then carrying out photocuring for 20 s;
S4: and (3) checking occlusion through occlusion paper to ensure that a patient has no occlusion interference, and completing the adhesion of the prosthesis and the tooth body, as shown in fig. 4 and 5.
The prosthesis, the visio.link, the resin adhesive, the resin cement, the bonding layered structure of the resin cement and the tooth body are sequentially formed through the operations, and the resin adhesive can improve the bonding performance of the resin cement, the prosthesis and the tooth body; link is an adhesive containing methyl methacrylate, which can be chemically bonded with PEEK/PEKK material, see fig. 8, improving the adhesion of the prosthesis to the resin adhesive; the resin adhesive is coated on the surface of the tooth body after acid etching, so that the micro-mechanical locking force of the resin adhesive is increased, the adhesive property of the resin adhesive and the tooth body is improved, and the adhesive property of the prosthesis and the tooth body is improved by 22-25%.
example 2:
the embodiment provides a method for manufacturing a digitized PEAK substrate prosthesis, which is different from the embodiment 1 in that: when designing the numerical model of the restoration, the micro-ornamentation is also designed on the outer surface of the restoration, and then the restoration is printed in a 3D printing mode, and then the polymeric porcelain is baked and molded on the outer surface of the restoration, so that the restoration is used as an inner crown. The bonding surface of the inner crown and the tooth body is printed in a 3D mode to form micro-ornamentation, so that the bonding performance of the inner crown and the tooth body can be improved, and the connection stability of the polymer ceramic baked plastic can be improved through the micro-ornamentation on the outer surface of the inner crown.
example 3:
the embodiment provides a method for manufacturing a digital PEAK substrate prosthesis, which comprises the following steps:
s1: scanning the oral cavity of a patient by adopting a scanner with the model of 3shape D2000, acquiring digital models of the upper jaw and the lower jaw of the patient, acquiring a bite relation, and referring to the obtained digital models to be shown in figure 1;
s2: designing a digital restoration model by combining with 3Shape Dental Manager Client design software based on the obtained digital model, carrying out trimming and filling concave design on the digital restoration model, checking occlusion conditions after the design is finished,
s3: preparing a restoration material which contains 5-20% of titanium dioxide in volume fraction, 1-10% of ferric oxide in volume fraction and the balance of PEEK material, forming a base material after preparation, and then cutting the base material by Wieland si cutting equipment to manufacture the restoration, wherein the reference is shown in figure 2;
s4: the bonding surface of the prosthesis for bonding with the tooth body is cut, so that the bonding surface of the prosthesis forms a micro-texture for improving the specific surface area and the surface roughness, and the effect of coarsening the bonding surface is achieved.
The embodiment also provides a method for bonding the digital PEAK base material prosthesis and the tooth body, which comprises the following steps:
S1, uniformly coating visio.link on the bonding surface of the prosthesis for bonding with the tooth, blowing lightly after 10S, uniformly coating resin adhesive after photocuring for 90S, and photocuring for 20S after 10S;
S2: wetting the corresponding abutment, acid etching the bonding surface of the abutment with 37% orthophosphoric acid for 30s, washing with running water, drying under sealed conditions, coating resin adhesive on the bonding surface of the abutment for 15s, and photocuring for 20s
s3: coating the resin cement on the bonding surface of the restoration, then wearing the restoration on a corresponding abutment, carrying out photocuring for 2s, removing the redundant resin cement, and then carrying out photocuring for 20 s;
S4: and (3) checking occlusion through occlusion paper to ensure that a patient has no occlusion interference, and completing the adhesion of the prosthesis and the tooth body, as shown in fig. 4 and 5.
in addition to the above embodiments, the present invention may have other embodiments; all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (9)
1. A method for manufacturing a digital PEAK substrate prosthesis is characterized by comprising the following steps: the method comprises the following steps:
S1: scanning the oral cavity of a patient by adopting a scanner, acquiring digital models of the upper jaw and the lower jaw of the patient, and acquiring a bite relation;
s2: designing a digital restoration body model by combining digital design software based on the obtained digital model;
s3: and manufacturing a restoration by combining a restoration material and a digital restoration model, wherein the restoration material comprises PEEK or PEKK.
2. the method for manufacturing a digitized PEAK substrate prosthesis according to claim 1, wherein the method comprises the following steps: the S3 further includes: after the prosthesis is manufactured, the bonding surface used for bonding with the tooth body on the prosthesis is processed to form micro-ornamentation for improving the specific surface area and the surface roughness.
3. The method for manufacturing a digitized PEAK substrate prosthesis according to claim 2, wherein the method comprises the following steps: the S3 further includes: and processing and forming micro-ornamentation for improving the specific surface area and the surface roughness on the outer surface of the prosthesis, and then performing baking molding on the outer surface of the prosthesis.
4. the method for manufacturing a digitized PEAK substrate prosthesis according to claim 1, wherein the method comprises the following steps: the manufacturing method of the restoration in the S3 is cutting through a cutting device or printing through a 3D printing technology.
5. The method for manufacturing a digitized PEAK substrate prosthesis according to claim 2 or 3, wherein: the processing mode of the micro-texture is cutting or 3D printing.
6. The method for manufacturing a digitized PEAK substrate prosthesis according to claim 1, wherein the method comprises the following steps: the repair body material in the S3 further comprises one or more of titanium dioxide, porcelain powder, iron oxide, aluminum oxide and zirconium oxide.
7. the method for manufacturing a digitized PEAK substrate prosthesis according to claim 1, wherein the method comprises the following steps: the scanner in the S1 adopts a scanner with the model number of 3shape D2000.
8. The method for manufacturing a digitized PEAK substrate prosthesis according to claim 1, wherein the method comprises the following steps: the digital design software in the S2 is 3Shape Dental Manager Client design software.
9. A method for bonding a digital PEAK substrate prosthesis and a tooth body based on the method as claimed in claim 2 or 3, which is characterized in that: the method comprises the following steps:
S1, uniformly coating visio.link on the bonding surface of the prosthesis for bonding with the tooth, blowing lightly after 10S, uniformly coating resin adhesive after photocuring for 90S, and photocuring for 20S after 10S; (ii) a
S2: wetting the corresponding abutment, acid etching the bonding surface of the abutment with 37% orthophosphoric acid for 30s, washing with running water, drying under sealed conditions, coating resin adhesive on the bonding surface of the abutment for 15s, and photocuring for 20s
S3: coating the resin cement on the bonding surface of the restoration, then wearing the restoration on a corresponding abutment, carrying out photocuring for 2s, removing the redundant resin cement, and then carrying out photocuring for 20 s;
s4: the occlusion is checked through occlusion paper, so that the patient is ensured to have no occlusion interference, and the adhesion of the prosthesis and the tooth body is completed.
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| CN111658186A (en) * | 2020-07-06 | 2020-09-15 | 山西米兔斯美容管理有限公司 | Noninvasive whitening bonding technology based on bridge patch |
| CN116269872A (en) * | 2023-03-28 | 2023-06-23 | 上海交通大学医学院附属第九人民医院 | Diagnostic prosthesis for full-course digital intelligent occlusion reconstruction and manufacturing method thereof |
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| CN111603394A (en) * | 2020-05-19 | 2020-09-01 | 南京市口腔医院 | Method for integrally 3D printing of polyether-ether-ketone oral restoration bodies with different colors |
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| CN119112415A (en) * | 2024-11-15 | 2024-12-13 | 四川大学 | A method for manufacturing a jaw fixation and morphological filling body |
| CN119112415B (en) * | 2024-11-15 | 2025-01-24 | 四川大学 | A method for manufacturing a jaw fixation and morphological filling body |
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Application publication date: 20191217 |
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