CN116059033B - Manufacturing method of 3D printing double-layer night-grinding tooth pad - Google Patents
Manufacturing method of 3D printing double-layer night-grinding tooth pad Download PDFInfo
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- CN116059033B CN116059033B CN202310084334.0A CN202310084334A CN116059033B CN 116059033 B CN116059033 B CN 116059033B CN 202310084334 A CN202310084334 A CN 202310084334A CN 116059033 B CN116059033 B CN 116059033B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 206010006514 bruxism Diseases 0.000 title claims abstract description 24
- 238000010146 3D printing Methods 0.000 title claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 238000009966 trimming Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 18
- 238000009432 framing Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 5
- 238000013499 data model Methods 0.000 abstract 1
- 210000001847 jaw Anatomy 0.000 description 17
- 210000004513 dentition Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000004373 mandible Anatomy 0.000 description 3
- 230000036346 tooth eruption Effects 0.000 description 3
- 238000011960 computer-aided design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 208000008312 Tooth Loss Diseases 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000002050 maxilla Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003800 pharynx Anatomy 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
Classifications
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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
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/56—Devices for preventing snoring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C9/00—Impression cups, i.e. impression trays; Impression methods
- A61C9/004—Means or methods for taking digitized impressions
-
- 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
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
-
- 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
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/56—Devices for preventing snoring
- A61F2005/563—Anti-bruxisme
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Biomedical Technology (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Nursing (AREA)
- Pulmonology (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- Heart & Thoracic Surgery (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a manufacturing method of a 3D printing double-layer night-time tooth grinding bite-block, and belongs to the technical field of dentistry. The manufacturing method comprises the steps of obtaining an intraoral data model of the upper jaw and the lower jaw of a patient, and trimming the model; hiding the lower jaw model, and generating a file A of the night molar bite block on the upper jaw model; sequentially generating a file B and a file C of the night molar running-in pad on the surface of the file A; merging the file B and the file C into a file D; placing a hidden mandibular model, and subtracting the overlapping position of the file D and the mandibular model to obtain a file E; and 3D printing the file A by soft resin, 3D printing the file E by hard resin, and bonding the two layers of resin. According to the invention, in design, when a patient is in the rest and stop tooth position, the lower jaw is in the optimal relaxation state, and the occlusion contact point is designed when the rest and stop tooth position is, so that the manufacturing process of the night grinding tooth pad is simplified, the time is saved, the lower jaw is innovatively placed on the rest and stop tooth position, and the excessive movement of the lower jaw can be effectively reduced.
Description
Technical Field
The invention belongs to the technical field of dentistry, and particularly relates to a manufacturing method of a 3D printing double-layer night-grinding tooth running-in pad.
Background
Bruxism refers to the act of an unintentional upper and lower tooth grinding or gripping each other while a person is sleeping or awake. The teeth grinding is often accompanied by a "creaky" sound. Also called "night bruxism" because it occurs during night sleep. People are in the tooth exchange period between the age of 6 and 13, and have tooth grinding phenomena for adapting to the running-in of upper teeth and lower teeth. However, teenagers and adults who have passed the tooth replacement period often have bruxism. The grinding teeth not only affect the beauty of the teeth, but also damage the quality of the teeth and damage gums to cause bleeding or tooth loss. Wherein high points of bite are the primary cause of bruxism.
Wearing a night-molar protective bite block (occlusalsplint) is one of the current methods of treating night-molar. The teeth grinding protection tooth-engaging pad is mainly a tooth-engaging pad of a vacuum film pressing, a few points are in tooth-engaging contact when the teeth grinding protection tooth-engaging pad is worn in a mouth after film pressing forming, and a patient can change the occlusion state after wearing the teeth grinding protection tooth-engaging pad for a long time, so that the functions of the whole mouth and jaw system are affected.
Chinese patent CN202011534067.5 discloses a night-grinding tooth jaw pad and its manufacturing method, adopting digital design to manufacture personalized night-grinding tooth protection tooth jaw pad, the manufacturing method includes analyzing and measuring personalized breath jaw-stopping gap of patient, scanning to obtain three-dimensional image data of upper and lower dentitions and occlusion state of patient, according to the method, a digital model of the jaw pad is designed through computer aided design, a personalized jaw pad object is manufactured by adopting a computer aided manufacturing technology according to CAD design files, jaw relation is clinically adjusted, retention tightness is clinically adjusted, and wearing is completed. In this technique, the "rest jaw gap" means a wedge-shaped gap formed between the upper and lower dentitions from the pharynx to the lips, when the lower jaw is in a resting state, the upper and lower jaws are separated and the teeth are out of contact without opening the mouth, speaking, or swallowing. The technology designs the thickness of the jaw pad based on the personalized jaw clearance of the patient, and the manufacturing flow is more standard.
However, the technology requires accurate measurement due to the fact that the parameter of the jaw clearance is required to be introduced, and in addition, the jaw clearance data is required to be introduced and data integration operation is carried out during computer aided design, and model adjustment is carried out on the model according to the jaw clearance data, so that operation steps are increased undoubtedly, and the manufacturing flow is complicated. In actual operation, the measuring accuracy of the jaw clearance, the computing capability of a computer and the matching difference between the jaw clearance data and the original data are limited, so that the function and the quality of the teeth grinding protection bite pad can not reach the ideal jaw clearance contact point effect.
Disclosure of Invention
In order to solve the technical problems, the invention provides a manufacturing method of a 3D printing double-layer night-grinding tooth running-in pad. The invention aims to simplify and optimize the manufacturing process of the night-time tooth-grinding protective bite-block, so that a doctor can easily and accurately grasp the bite contact point when the patient stops the bite position, and the mandible is ensured to be in the best relaxation state when the patient wears the bite-block and then places on the stop bite position.
The basic conception of the technical scheme adopted by the invention is as follows:
a manufacturing method of a 3D printing double-layer night-time tooth grinding bite block comprises the following steps:
acquiring intraoral data and upper and lower jaw rest tooth position relation data of a patient;
importing data to obtain a model, and trimming the model;
Hiding a lower jaw model, and selecting a range of a bite block boundary on an upper frame of an upper jaw model;
Generating a file A of the night-grinding tooth pad with a certain thickness in the boundary range of the frame selected tooth pad;
generating a document B of the night molar fit pad on the surface of the document A with a certain thickness;
Generating a document C of the night-grinding tooth pad with a certain thickness on the tooth surface of the document B;
merging the file B and the file C into a file D;
placing a hidden mandibular model, and subtracting the overlapping position of the file D and the mandibular model to obtain a file E;
and 3D printing the file A by soft resin, 3D printing the file E by hard resin, and bonding the two layers of resin.
Further, the step of importing the data to obtain a model, performing model trimming, and framing the range of the bite block boundary on the upper jaw model uses PLASTYCAD software.
Further, the requirement of the upper frame of the model of the upper jaw to select the extent of the bite block boundary is the gingival margin of the upper jaw.
Further, the thickness of the document a is 1mm.
Further, the thickness of the document B is 2mm.
Further, the thickness of the document C is 2mm.
Further, when the two layers of resin are bonded, the file A printed in the 3D mode by the soft resin is located in the inner layer, and the file E printed in the 3D mode by the hard resin is located in the outer layer.
Compared with the prior art, the invention has the following beneficial effects:
The invention applies the 3D printing double-layer night-grinding tooth pad, the inner layer is 1mm uniform soft resin, the wearing is comfortable, the outer layer is hard resin with personalized thickness for patients, and the wear resistance can be increased. More importantly, in the design, the occlusion contact point when the patient stops the bite is designed in a way that the lower jaw is in the optimal relaxation state and the file D is subtracted from the overlapping part of the lower jaw model to generate the file E, so that the patient stops the bite. The method of the invention greatly simplifies the manufacturing process of the night-time grinding tooth-in pad, saves more time, innovatively places the lower jaw on the rest tooth-in position, and can effectively reduce excessive movement of the lower jaw. Meanwhile, the system can be duplicated, and the times of patient consultation are reduced.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic representation of intraoral data obtained by a scanner and upper and lower jaw rest bite-block relationship in an embodiment of the present application.
Fig. 2 is a schematic diagram of an STL file obtained after model trimming of intraoral data of the upper and lower jaws of a patient in an embodiment of the present application.
Fig. 3 is a schematic view of the scope of a framed maxillary bite block boundary in an embodiment of the application.
Fig. 4 is a schematic illustration of document a in which a 1mm thick inner cushion of a night running tooth pad is produced in an embodiment of the present application.
Fig. 5 is a schematic illustration of document B with a 2mm thick night running-in pad generated on the surface of document a in an embodiment of the application.
Fig. 6 is a schematic illustration of document C with a 2mm thick night running bite pad generated on the running surface of document B in an embodiment of the present application.
Fig. 7 is a schematic diagram of merging file B and file C into file D according to an embodiment of the present application.
Fig. 8 is a schematic view of a hidden mandibular model placed in an embodiment of the present application.
Fig. 9 is a schematic view of the outer resin of the night molar fit obtained in the example of the present application.
Fig. 10 is a flow chart summarizing the method of making the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
In the present invention, the materials and equipment used are commercially available or commonly used in the art, unless otherwise specified. The methods in the following examples are conventional in the art unless otherwise specified.
1. And (3) data acquisition:
Referring to fig. 1, intraoral data of a patient and upper and lower jaw rest dentition relationship data are obtained by an intraoral scanner.
2. Generating a model:
referring to fig. 2, the above-described data acquired in the patient's maxillary and mandibular openings are imported into PLASTYCAD software to generate a model, and the model is trimmed. STL volumes are generated.
3. And (3) selecting a frame:
Referring to fig. 3, the mandibular model is hidden, leaving only the maxillary model, using CreateGuide function key boxes in PLASTYCAD software to select the extent of the maxillary bite-pad boundary, requiring the gingival margin of the maxilla. This step determines the boundary range of the night running-in pad.
The PLASTYCAD software is selected here for example only, and other computer 3D design software may be selected, all with similar functionality.
4. Generating an inner layer soft cushion:
referring to fig. 4, document a of the inner cushion of the night running tooth pad of 1mm thickness was generated with the above one step of the bite block boundary range as the bottom. The thickness of document a was uniform, and was 1mm thick everywhere.
5. Generating a file B:
referring to fig. 5, a 2mm thick night running-in pad, file B, was generated on the surface of file a.
6. Generating a file C:
referring to fig. 6, document C, a 2mm thick night running-in pad was generated on the running-in face of document B.
7. Obtaining a file D:
referring to fig. 7, file B and file C are combined into file D.
Note that: the meaning of generating file B and file C and merging them into file D in two steps here is that: the file B is generated on the whole file A, and the file C is only generated on the occlusal surface of the file B, so that the boundary range of the file B is larger, and the boundary range of the file C is smaller, as shown in fig. 6; the file B is positioned on the labial side of the teeth and is made to be 2mm thick, and the file C is positioned on the occlusal side of the teeth and is added with the thickness of 2 mm; if the document B is directly made into a thickness of 4mm, the labial side of the teeth has a thickness of 4mm with the document B as a boundary range, and the wearing is uncomfortable; according to the application, the files B and C with different boundary ranges are sequentially generated and then combined into the file D, the file D has two different ranges of the lip side and the occlusal surface side, the lip side is not thick, and the wearing is more comfortable.
8. Obtaining a file E:
Referring to fig. 8, a hidden mandibular model is placed, and subtraction is performed at the overlapping portion of the mandibular model and the file D, to obtain the file E, fig. 9, which is the outer hard pad of the night molar bite pad.
Referring to fig. 9, in contrast to fig. 7, those concave contours on the occlusal surface of document E are the portions that snap over the mandibular model.
9. 3D printing and bonding:
And respectively 3D printing the file A by soft resin and 3D printing the file E by hard resin.
And bonding the two layers of resin in a mode that the soft resin is positioned in the inner layer and the hard resin is positioned in the outer layer, so as to finish the manufacture of the 3D printing double-layer night-time tooth running-in pad.
After the night-time tooth-grinding tooth-in pad is worn, the following clinically-rated use effects can be obtained: the mandible position is in a relaxed rest bite position, which can effectively reduce excessive movement of the mandible. Meanwhile, the system can be duplicated, and the times of patient consultation are reduced.
Referring to fig. 10, the overall flow of the fabrication method of the present application is shown.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (7)
1. The manufacturing method of the 3D printing double-layer night-time tooth grinding bite-block is characterized by comprising the following steps of:
acquiring intraoral data and upper and lower jaw rest tooth position relation data of a patient;
importing data to obtain a model, and trimming the model;
Hiding a lower jaw model, and selecting a range of a bite block boundary on an upper frame of an upper jaw model;
Generating a file A of the night-grinding tooth pad with a certain thickness in the boundary range of the frame selected tooth pad;
generating a document B of the night molar fit pad on the surface of the document A with a certain thickness;
Generating a document C of the night-grinding tooth pad with a certain thickness on the tooth surface of the document B;
merging the file B and the file C into a file D;
placing a hidden mandibular model, and subtracting the overlapping position of the file D and the mandibular model to obtain a file E;
and 3D printing the file A by soft resin, 3D printing the file E by hard resin, and bonding the two layers of resin.
2. The method for manufacturing the 3D printed double-layer night-time tooth pad according to claim 1, wherein the method comprises the following steps: the step of importing data to obtain a model, performing model trimming, and framing the range of bite block boundaries on the upper jaw model uses PLASTYCAD software.
3. The method for manufacturing the 3D printed double-layer night-time tooth pad according to claim 1, wherein the method comprises the following steps: the requirement for the upper frame of the model maxillary is that the extent of the bite block boundary is the gingival margin of the maxillary.
4. The method for manufacturing the 3D printed double-layer night-time tooth pad according to claim 1, wherein the method comprises the following steps: the thickness of the document a is 1mm.
5. The method for manufacturing the 3D printed double-layer night-time tooth pad according to claim 1, wherein the method comprises the following steps: the thickness of the document B is 2mm.
6. The method for manufacturing the 3D printed double-layer night-time tooth pad according to claim 1, wherein the method comprises the following steps: the thickness of the document C is 2mm.
7. The method for manufacturing the 3D printed double-layer night-time tooth pad according to claim 1, wherein the method comprises the following steps: when the two layers of resin are bonded, the file A printed by the soft resin in the 3D mode is located in the inner layer, and the file E printed by the hard resin in the 3D mode is located in the outer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310084334.0A CN116059033B (en) | 2023-02-09 | 2023-02-09 | Manufacturing method of 3D printing double-layer night-grinding tooth pad |
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| CN202310084334.0A CN116059033B (en) | 2023-02-09 | 2023-02-09 | Manufacturing method of 3D printing double-layer night-grinding tooth pad |
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| CN116059033B true CN116059033B (en) | 2024-11-05 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061433A (en) * | 2013-12-19 | 2016-10-26 | 特里斯佩拉牙科公司 | System and method for recording a bite of an edentulous individual |
| CN112245047A (en) * | 2020-04-24 | 2021-01-22 | 四川大学 | Method for preparing oral functional jaw pad by combining hot-pressing film and 3D direct printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11690700B2 (en) * | 2014-05-08 | 2023-07-04 | Cagenix, Inc. | Dental framework and prosthesis |
| CN112603636A (en) * | 2020-12-23 | 2021-04-06 | 塞拉维克公司 | Tooth grinding jaw pad for night and manufacturing method thereof |
| CN113749797B (en) * | 2021-09-09 | 2023-06-23 | 浙江工业大学 | Invisible appliance with non-uniform thickness and design method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061433A (en) * | 2013-12-19 | 2016-10-26 | 特里斯佩拉牙科公司 | System and method for recording a bite of an edentulous individual |
| CN112245047A (en) * | 2020-04-24 | 2021-01-22 | 四川大学 | Method for preparing oral functional jaw pad by combining hot-pressing film and 3D direct printing |
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