CN111544136B - Method for manufacturing crown tooth preparation adjustment guide plate - Google Patents
Method for manufacturing crown tooth preparation adjustment guide plate Download PDFInfo
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- CN111544136B CN111544136B CN202010416479.2A CN202010416479A CN111544136B CN 111544136 B CN111544136 B CN 111544136B CN 202010416479 A CN202010416479 A CN 202010416479A CN 111544136 B CN111544136 B CN 111544136B
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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
- A61C5/70—Tooth crowns; Making thereof
- A61C5/77—Methods or devices for making crowns
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C11/00—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C11/00—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings
- A61C11/08—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings with means to secure dental casts to articulator
- A61C11/081—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings with means to secure dental casts to articulator with adjusting means thereof
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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
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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
- A61C13/08—Artificial teeth; Making same
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
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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
- B33Y80/00—Products made by additive manufacturing
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- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Dentistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention relates to the technical field of clinical treatment auxiliary devices, in particular to a method for manufacturing a crown tooth preparation adjustment guide plate; the adjustment part of the coronary artery preparation body can be accurately positioned and assisted in adjustment; the method comprises the following steps: (1) Obtaining a digital three-dimensional model of the whole mouth model of the coronal preparation body by the optical bin scanner from the plaster model after shoulder trimming; (2) Guiding the digital model into oral cavity computer aided design software to analyze the preparation quality of the abutment, and finding out the person with the preparation problem; (3) Adjusting the abutment grinding-off amount of a digital model of the preparation body with the problem in a model preparation toolbar of denture design software, and designing a preparation guide plate; (4) The scheme is transmitted to a 3D printing machine for material adding or material reducing preparation; (5) Mounting the crown tooth body preparation adjustment guide plate on the original plaster model abutment, and checking the reliability of the guide plate; (6) And sending the repaired digital model and the crown tooth preparation adjustment guide plate to a clinician together.
Description
Technical Field
The invention relates to the technical field of clinical treatment auxiliary devices, in particular to a method for manufacturing a crown tooth preparation adjustment guide plate.
Background
In the clinical fixed restoration treatment of oral cavity, the tooth preparation technology is one of the treatment methods widely developed in clinic, the dental restoration doctor is engaged in the tooth preparation work in most of the daily work, however, because the oral space of the patient is limited, the operating visual field of the doctor is narrow, the clinician pays much attention to the control of the shoulder and the polymerization angle of the preparation body, the insufficient preparation of the occlusal surface space of the full-crown preparation body often occurs, especially the insufficient preparation of the functional bevel space of the functional tip occurs, and the problem causes the insufficient manufacture space of the restoration body and directly influences the strength and the service life of the restoration body.
At present, the common solution of a technician is that after a prosthesis is manufactured conventionally, the grinding area is marked on a model for the cusp of the jaw, and a clinician adjusts the jaw teeth of a patient when wearing the prosthesis, so that the situation often occurs that the patient is sensitive to the jaw teeth and cannot adjust, the patient is unwilling to damage healthy teeth, and finally the doctor can only adjust the prosthesis, so that the local thickness of the prosthesis is insufficient, and finally the prosthesis is cracked or cracked; the other method is that the technician uses the self-hardening resin material to manufacture the adjusting guide crown, so that the clinician can often find that the precision of the guide crown is poor, the clinician can not accurately guide the physician to adjust the preparation body, the rework phenomenon occurs or the adjustment is too much to influence the internal suitability of the crown. At present, a technical scheme is urgently needed in clinic, which can completely and consistently adjust the abutment preparation body in the mouth of a patient and on a model and avoid the problem of poor crown suitability caused by inaccurate adjustment.
Disclosure of Invention
In order to solve the technical problems, the invention provides a method for manufacturing a crown tooth preparation adjustment guide plate, which can realize accurate positioning and auxiliary adjustment of a crown preparation adjustment part.
The invention discloses a method for manufacturing a crown tooth preparation adjustment guide plate, which comprises the following steps of:
(1) Obtaining a digitalized three-dimensional model of the whole opening model of the coronal preparation body by the optical bin scanner through the plaster model after shoulder trimming;
(2) Introducing the digital model into oral Computer Aided Design (CAD) software to analyze the preparation quality of the abutment and find the occlusal surface preparation problem;
(3) Carrying out abutment form adjustment on the preparation digital model with the problem in a model preparation working column of denture design software, and designing a preparation adjustment guide plate scheme;
(4) The scheme is transmitted to a 3D printing machine for material adding or material reducing preparation;
(5) Mounting the crown tooth preparation adjustment guide plate on the original plaster model preparation, and checking the reliability of the guide plate;
(6) Completing the manufacture of a prosthesis in denture design and manufacture software by using the adjusted abutment digital model, and sending the modified digital model and the crown tooth preparation adjustment guide plate to a clinician;
(7) The clinician firstly puts the prepared adjustment guide plate of the crown tooth body on the base beside the chair, adjusts the occlusal surface space of the prepared body, compares the modified digital model to complete the guide, and then removes the guide plate to complete the try-on and cementation of the prosthesis.
The invention relates to a method for manufacturing a crown tooth preparation adjustment guide plate, which is characterized in that in the step (2), the preparation quality of a preparation body is checked through denture design software.
The invention relates to a method for manufacturing a crown tooth preparation adjustment guide plate, which comprises the following steps of (3) carrying out model preparation work columns of denture design software;
in the method for manufacturing the crown tooth preparation adjustment guide plate, in the step (4), 3D printing is performed through an adding or subtracting device.
The invention relates to a method for manufacturing a prepared adjustment guide plate of a crown tooth body.
Compared with the prior art, the invention has the beneficial effects that: the invention is based on the dental technician three-dimensional scanner and the denture design software and utilizes the crown tooth body prepared adjustment guide plate prepared by the 3D printing technology, the technology fits the digital and three-dimensional printing technology, the printed guide plate guides the doctor to adjust the part with insufficient preparation by accurately positioning on the preparation body of the affected tooth, compared with the traditional operation scheme, the invention can accurately position the part with insufficient preparation functional surface of the tooth body clinically, and reduce the restoration reworking caused by the damage to healthy teeth and inaccurate positioning due to the conventional operation; through the preparation of craftsman's three-dimensional scanner individuation scanning patient dentition and combination denture analysis design software, 3D printing technique, obtain the adjustment baffle scheme of laminating location on preparing the body, realized quick, the accurate preparation of adjustment baffle, more traditional self-hardening resin guide crown preparation, improved the speed of preparation, convenience, the fastness of installation in the mouth, accuracy.
Drawings
FIG. 1 is a flow chart of a manufacturing method for manufacturing a guide plate for the preparation adjustment of a crown tooth according to the present invention;
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example (b): the method comprises the following steps:
(1) Obtaining a digitalized three-dimensional model of the whole opening model of the crown preparation body by the gypsum model after the shoulder trimming through an optical bin scanner;
(2) Introducing the digital model into oral Computer Aided Design (CAD) software to analyze the preparation quality of the abutment and find the occlusal surface preparation problem; the insufficient space part of the abutment is adjusted through software.
(3) Carrying out abutment form adjustment on the digital model of the preparation body with the problem in a model preparation working column of denture design software, and designing a scheme of a preparation body adjustment guide plate;
(4) The scheme is transmitted to a 3D printing machine for material adding or material reducing preparation;
(5) Mounting the crown tooth preparation adjustment guide plate on the original plaster model preparation, and checking the reliability of the guide plate;
(6) And completing the manufacture of the prosthesis by the adjusted digital model in denture design and manufacture software, and sending the modified digital model and the crown tooth preparation adjustment guide plate to a clinician together.
(7) The clinician firstly puts the prepared adjustment guide plate of the crown teeth on the base beside the chair, compares the occlusal surface space of the prepared adjustment body with the modified digital model to complete the guide, and then removes the guide plate to complete the try-on and cementation of the prosthesis.
As shown in fig. 1, in step (2), a quality check is prepared for the preparation by the denture design software; in the step (3), the model preparation of the false tooth design software is carried out in a working column; adjusting preparation amount on the digital model and designing a guide plate preparation crown; in the step (4), 3D printing is carried out through oral CAM equipment; the adjustment guide plate is made of resin.
The invention relates to a crown tooth body preparation adjusting guide plate which is prepared based on a three-dimensional scanner of an oral technician and false tooth design software and by utilizing a 3D printing technology, the technology is matched with an oral digital technology and a three-dimensional printing technology, and the printed guide plate guides a doctor to adjust the part with insufficient preparation through clinically and accurately positioning on the preparation body of a diseased tooth.
The dental prosthesis is prepared by individually scanning dentition of a patient through a technician three-dimensional scanner and combining denture analysis design software and a 3D printing technology to obtain a scheme of the adjusting guide plate which is attached and positioned on the preparation body, so that the rapid and accurate preparation of the adjusting guide plate is realized, and compared with the traditional preparation of a self-setting resin guide crown, the preparation speed and the convenience, firmness and accuracy of intraoral installation are improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and those improvements and modifications should be also considered as the protection scope of the present invention.
Claims (4)
1. A method for manufacturing a crown tooth preparation adjustment guide plate is characterized by comprising the following steps:
(1) Obtaining a digitalized three-dimensional model of the whole opening model of the crown preparation body by the gypsum model after the shoulder trimming through an optical bin scanner;
(2) Guiding the digital model into oral cavity Computer Aided Design (CAD) software to analyze the preparation quality of the abutment, and finding the person with the preparation problem;
(3) After the preparation digital model with the problem is subjected to abutment space adjustment in a model preparation working column of denture design software, a preparation adjustment guide plate scheme is designed;
(4) The scheme is transmitted to a 3D printing machine for material adding or material reducing preparation;
(5) Installing the crown tooth preparation adjustment guide plate on the original plaster model abutment preparation body, and checking the reliability of the guide plate;
(6) After the abutment with the preparation problem is adjusted, prosthesis manufacturing is completed in false tooth design and manufacturing software, and the modified digital model and the crown tooth preparation adjustment guide plate are sent to a clinician;
(7) And a clinician places the crown tooth preparation adjustment guide plate on the abutment beside the chair, compares the occlusal surface space of the adjustment preparation body with the modified digital model to complete the guidance, and then removes the guide plate to complete the try-on and cementation of the prosthesis.
2. The method for manufacturing a guide plate for dental crown preparation adjustment according to claim 1, wherein in the step (2), the quality of the preparation is checked by denture design software.
3. The method of manufacturing a crown tooth preparation adjustment guide plate according to claim 2, wherein in the step (4), 3D printing is performed by an additive or subtractive manufacturing apparatus.
4. The method of manufacturing a guide plate for preliminary adjustment of crown teeth according to claim 3, wherein the guide plate for adjustment is made of resin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010416479.2A CN111544136B (en) | 2020-05-17 | 2020-05-17 | Method for manufacturing crown tooth preparation adjustment guide plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010416479.2A CN111544136B (en) | 2020-05-17 | 2020-05-17 | Method for manufacturing crown tooth preparation adjustment guide plate |
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| CN111544136A CN111544136A (en) | 2020-08-18 |
| CN111544136B true CN111544136B (en) | 2023-01-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112809023B (en) * | 2021-01-06 | 2023-04-28 | 成都登特牙科技术开发有限公司 | Sleeve crown based on 3D printing and manufacturing method thereof |
| CN113069230A (en) * | 2021-03-26 | 2021-07-06 | 中国人民解放军空军军医大学 | Digital processing method and system for dental restoration |
| CN113925635B (en) * | 2021-09-14 | 2022-06-28 | 中国人民解放军空军军医大学 | Construction method and manufacturing method of preparation guide plate and removable partial denture framework model |
| CN114145867B (en) * | 2021-12-06 | 2024-03-01 | 中国医科大学附属口腔医院 | Preparation method of dental preparation guide plate beneficial to removable partial denture abutment stabilization |
| CN114366349B (en) * | 2022-02-18 | 2022-07-29 | 四川大学 | Manufacturing method of residual root and crown pile core shaping and repairing guide plate and guide plate |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103598920A (en) * | 2013-12-04 | 2014-02-26 | 杭州六维齿科医疗技术有限公司 | Whole-tooth lost dental implantation operation guide plate and making method thereof |
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| US7887327B2 (en) * | 2001-08-31 | 2011-02-15 | Leonard Marotta | Accurate analogs for prostheses using computer generated anatomical models |
| CN104699865B (en) * | 2013-12-09 | 2018-05-22 | 南京智周信息科技有限公司 | A kind of digitalized oral cavity fixes the method and device repaired |
| CN104382661A (en) * | 2014-11-25 | 2015-03-04 | 深圳市康泰健牙科器材有限公司 | Manufacturing method and system of digitized 3D implanting guide plate |
| CN108618854B (en) * | 2017-10-27 | 2020-11-27 | 北京大学口腔医学院 | Digital design and manufacturing method of guide plate for root tip operation |
| CN109009511B (en) * | 2018-06-21 | 2021-05-25 | 四川大学 | Three-dimensional analysis tooth preparation guide plate manufacturing method based on 3D printing and use method |
| CN109223217B (en) * | 2018-09-27 | 2021-10-01 | 北京大学口腔医学院 | Method for manufacturing removable partial denture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103598920A (en) * | 2013-12-04 | 2014-02-26 | 杭州六维齿科医疗技术有限公司 | Whole-tooth lost dental implantation operation guide plate and making method thereof |
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| CN111544136A (en) | 2020-08-18 |
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