CN112972029B - Oral cavity digital bracket all-ceramic combined repairing method for removable denture - Google Patents
Oral cavity digital bracket all-ceramic combined repairing method for removable denture Download PDFInfo
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- CN112972029B CN112972029B CN202011551540.0A CN202011551540A CN112972029B CN 112972029 B CN112972029 B CN 112972029B CN 202011551540 A CN202011551540 A CN 202011551540A CN 112972029 B CN112972029 B CN 112972029B
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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
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
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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
- A61C13/0006—Production methods
- A61C13/0019—Production methods using three dimensional printing
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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
- A61C13/083—Porcelain or ceramic teeth
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Abstract
The invention provides a complete porcelain combined repairing method of an oral digital bracket for removable false teeth, which comprises the steps of manufacturing the false tooth bracket, and arranging cylindrical positioning coordinates at the corresponding position of the false tooth bracket; through the steps of manufacturing the all-ceramic false tooth, the hollow all-ceramic false tooth is manufactured, and then the false tooth support and the all-ceramic false tooth are fixed in a tooth arrangement mode. The color of the complete porcelain false tooth is matched, so that the false tooth can be matched with the color of the residual tooth in the mouth of a user, and the user confidence is improved; the hollow all-ceramic false tooth greatly improves the wear resistance, so that the wearing time of a user is longer; as the time is prolonged, the alveolar bone of the user can absorb part of the denture bone, and at the moment, the denture framework only needs to be manufactured again, and the original hollow all-ceramic denture can be continuously used by fixing the denture framework on a new denture framework, so that the operation steps are reduced, the use cost of the user is reduced, and the comfort level of the user is improved.
Description
Technical Field
The invention relates to the field of oral denture repair, in particular to an oral digital bracket all-ceramic combined repair method for removable dentures.
Background
At present, the full-ceramic denture repair is limited to the field of the oral fixed denture repair, the upper part of the movable denture can only use resin teeth with different strengths as repair materials, and the upper part of the movable denture is easy to abrade to form occlusal gaps, so that the chewing efficiency is greatly reduced, the tooth arrangement needs to be repaired again by a re-diagnosis, and inconvenience is brought to a patient.
And the resin tooth form and the color model are limited, the form is only anatomical and non-anatomical, the size is only 3 models, the color is only 4 colors of the color comparison plate A color system, and the matching and coordination with the color of the residual tooth in the mouth of a patient cannot be achieved, and the resin material cannot perform personalized dyeing glazing and the special effect of tooth sintering. The full porcelain tooth can reach 26 colors of a colorimetric plate and can be subjected to special effects of dyeing, glazing and sintering.
The existing finished porcelain tooth can be used for tooth arrangement, the color limitation of the porcelain tooth can not simulate the effect of natural teeth in the mouth, the weight of the porcelain tooth, the retention of resin and the solid design of the porcelain tooth is too heavy, alveolar ridges are pressed to cause the alveolar bones to be absorbed too fast, and a bracket is not attached to mucosa, so that the requirement of a patient can not be met.
Among the above-mentioned multiple artificial tooth repair methods, when leading to the support to be unable to use after patient's alveolar bone absorbs, need make support and artificial tooth again, waste time and energy, increased user's replacement cost.
Accordingly, the prior art is subject to further improvement and development.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an oral cavity digital bracket all-ceramic combined repair method for removable dentures, which realizes the all-ceramic repair of removable dentures on the premise of delaying the absorption of alveolar bones and can ensure that the all-ceramic dentures can be repeatedly used.
In order to solve the technical problem, the scheme of the invention comprises the following steps:
a complete porcelain combined restoration method of an oral digital bracket for removable false teeth comprises the following steps:
the method comprises the steps of manufacturing the denture framework according to digital software, wherein cylindrical positioning coordinates are arranged at the corresponding position of the denture framework;
the method comprises the steps of manufacturing the full-ceramic false tooth according to digital software, wherein the full-ceramic false tooth is in a hollow type, and the hollow of the full-ceramic false tooth is matched with the positioning coordinate;
the denture fixing method comprises the step of arranging and fixing the denture support and the all-ceramic denture.
The oral cavity digital bracket all-ceramic combined repairing method further comprises the following steps that a user wears the denture bracket to enable the alveolar bone to be absorbed:
and a step of remolding a new denture framework, and remounting the fully ceramic denture separated from the denture framework on the remolded new denture framework.
The all-ceramic combined restoration method for the oral digital bracket comprises the steps that the all-ceramic false tooth is a zirconia crown, and the positioning coordinate is a reinforcing nail.
The oral cavity digital bracket all-ceramic combined repairing method comprises the following steps of:
A. designing a drawing line according to the conditions of a user model, and copying a row of tooth models by using agar;
B. scanning the user model after drawing the line to obtain corresponding data, and inputting the corresponding data into digital software to generate a denture framework model;
C. and importing the three-dimensional file of the denture framework model into three-dimensional printing equipment for printing to obtain the denture framework.
The complete porcelain combined repairing method of the oral digital bracket is characterized in that the denture bracket comprises a bracket snap ring, a support and a connector, and the positioning coordinate is arranged on the missing position of the connector.
The oral digital bracket all-ceramic combined repairing method is characterized in that the denture bracket is made of pure titanium or cobalt chromium.
The all-ceramic combined repairing method of the oral digital bracket is characterized in that the step of manufacturing the all-ceramic false tooth according to the digital software comprises the following steps:
a. according to the positioning coordinates obtained in the step of manufacturing the denture framework by using digital software, generating a dental crown position, designing dental crown data, drawing a margin line on the dental crown shape, finally generating a hollow type all-ceramic denture model, and guiding the three-dimensional file of the hollow type all-ceramic denture model into typesetting and cutting equipment for cutting to obtain a hollow type all-ceramic denture blank;
b. and carrying out dip-dyeing, sintering and glazing on the hollow type full-ceramic false tooth blank to obtain the full-ceramic false tooth.
The all-ceramic combined restoration method for the oral digital bracket comprises the following steps:
and dip-dyeing the hollow full-ceramic false tooth blank for 60 seconds according to the color number, immediately taking out, drying by using paper, naturally airing for 30 minutes, placing the blank with the edge of the dental crown facing upwards in a sintering plate, sintering in a sintering furnace at the sintering temperature of 1500 ℃ for 3.5 hours, and cooling for 1 hour.
The all-ceramic combined restoration method for the oral digital bracket comprises the following steps:
the hollow type full porcelain false tooth blank is subjected to neck 1/3, middle 1/3 and cut 1/3 gradual color rendering according to color comparison and external dyeing glazing according to special colors in the mouth of a user, wherein the glazing temperature is 820 ℃.
The method for the full-ceramic combined restoration of the digital bracket of the oral cavity comprises the following steps of:
resetting the full-ceramic false tooth according to the occlusion relation on the jaw frame, manufacturing a wax base, and finishing the wax base by simulating the gingival shape for trial wearing by a user;
after the try-on is finished, fixing the silica gel embedded wax base support and the all-ceramic false tooth on the false tooth support, scalding wax with 100 ℃ boiled water, manufacturing a drainage hole, resetting the all-ceramic false tooth, performing injection molding on the silica gel reset by using a base support material, placing the base support in a pressure cooker with 0.4 MPa, curing and exhausting gas at 60 ℃ in water, polishing the surface of the injection molded base support smoothly, and finishing polishing to obtain the removable false tooth.
The invention provides an all-ceramic combined repairing method for an oral cavity digital bracket of a removable denture, which is characterized in that a 3D printing mode is adopted to set a positioning coordinate on a missing position, a hollow all-ceramic denture is fixed on the positioning coordinate, and the color of the denture can be matched with the color of the residual teeth in the mouth of a user through the color blending of the all-ceramic denture, so that the confidence of the user is improved; the hollow type full-ceramic false tooth greatly reduces the weight of the false tooth, reduces the pressure of the dead weight on the alveolar ridge, delays the absorption speed of the alveolar bone and can be worn by a user for a longer time; as the time is prolonged, the alveolar bone of the user can absorb part of the denture bone, and only the denture bracket needs to be manufactured again at the moment, the original hollow all-ceramic denture is fixed on the new denture bracket, so that the operation steps are reduced, the use cost of the user is reduced, the all-ceramic denture and the residual teeth in the mouth of the user are better combined together, and the comfort level of the user is improved.
Drawings
Fig. 1 is a schematic flow chart of the all-ceramic combined restoration method of the oral digital scaffold.
FIG. 2 is a flow chart illustrating an embodiment of the present invention.
Detailed Description
The invention provides a complete porcelain combined repairing method for an oral digital bracket of a removable denture, which is further described in detail below in order to make the purpose, technical scheme and effect of the invention clearer and more clear and definite. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a complete porcelain combined repairing method of an oral cavity digital bracket for removable denture, as shown in figure 1, which comprises the steps of manufacturing the denture bracket according to digital software, wherein the corresponding position of the denture bracket of the step is provided with a positioning coordinate; the method comprises the steps of manufacturing the all-ceramic false tooth according to digital software, wherein the all-ceramic false tooth is in a hollow type, and particularly, during digital design, the hollow inner contour of the all-ceramic false tooth is matched with the outer contour of a virtual anatomical inner crown at the upper part of the positioning coordinate; the denture fixing method comprises the step of arranging and fixing the denture support and the all-ceramic denture. That is to say, the complete porcelain repair of the false tooth can be adopted by combining the hollow complete porcelain false tooth with the positioning coordinate, so that the color of the false tooth is unified with the residual tooth in the mouth of the user, and the repair experience of the user is improved; and the whole weight is equivalent to that of a removable denture of a resin tooth, so that the pressure of the dead weight on an alveolar ridge is reduced, the absorption speed of an alveolar bone is delayed, and the wearing time of a user is longer.
In particular, when the user wears the denture framework to absorb the alveolar bone:
and a step of remolding a new denture framework, and remounting the fully ceramic denture separated from the denture framework on the remolded new denture framework. Namely, a new denture frame is manufactured again, the original hollow type all-ceramic denture is fixed on the new denture frame, the operation steps are reduced, and the all-ceramic denture is better combined with the residual teeth in the mouth of a user.
Further, the above-mentioned all-ceramic denture is a zirconia crown.
Preferably, the step of manufacturing the denture framework according to the digital software includes:
A. designing a drawing line according to the conditions of a user model, and copying a row of tooth models by using agar;
B. scanning the tooth arrangement model to obtain corresponding data, and inputting the corresponding data into digital software to generate a denture framework model;
C. and importing the three-dimensional file of the denture framework model into three-dimensional printing equipment for printing to obtain the denture framework.
And the false tooth bracket comprises a bracket snap ring, a support bracket and a connector, and the reinforcing nail is arranged on the missing position of the bracket snap ring. The denture framework is made of pure titanium or cobalt chromium, so that the weight of the removable denture can be further reduced.
Further, the step of manufacturing the fully ceramic denture according to the digital software comprises:
a. according to the positioning coordinates obtained in the step of manufacturing the denture framework by using digital software, generating a dental crown position, designing dental crown data, drawing a margin line on the dental crown shape, finally generating a hollow type all-ceramic denture model, and guiding the three-dimensional file of the hollow type all-ceramic denture model into typesetting and cutting equipment for cutting to obtain a hollow type all-ceramic denture blank;
b. and carrying out dip-dyeing, sintering and glazing on the hollow type full-ceramic false tooth blank to obtain the full-ceramic false tooth.
And the dip-dyeing sintering comprises the following steps:
and dip-dyeing the hollow full-ceramic false tooth blank for 60 seconds according to the color number, immediately taking out, drying by using paper, naturally airing for 30 minutes, placing the blank with the edge of the dental crown facing upwards in a sintering plate, sintering in a sintering furnace at the sintering temperature of 1500 ℃ for 3.5 hours, and cooling for 1 hour.
Preferably, the glazing comprises:
the hollow type full-ceramic false tooth blank is subjected to gradual color of neck 1/3, middle 1/3 and cut 1/3 according to color comparison and external dyeing glazing according to special color in the mouth of a user, wherein the glazing temperature is 820 ℃.
The method for the full-ceramic combined restoration of the digital bracket of the oral cavity comprises the following steps of:
resetting the full-ceramic denture according to the occlusion relation on the jaw frame, manufacturing a wax base, finishing the wax base by simulating the gingival shape, and trying on by a user;
after the try-on is finished, fixing the silica gel embedded wax base support and the all-ceramic false tooth on the false tooth support, scalding wax with 100 ℃ boiled water, manufacturing a drainage hole, resetting the all-ceramic false tooth, performing injection molding on the silica gel reset by using a base support material, placing the base support in a pressure cooker with 0.4 MPa, curing and exhausting gas at 60 ℃ in water, polishing the surface of the injection molded base support smoothly, and finishing polishing to obtain the removable false tooth.
To further illustrate the present invention, a more detailed example is set forth below, as shown in FIG. 2.
Manufacturing a denture framework according to digital software:
the general process is as follows: model processing, model scanning, support design, support printing, maxilla support, support grinding and polishing, and mesh sealing. A Danish 3shape scanning cabin, a domestic honest-allied metal 3D printing device and Danish 3shape design software are adopted.
5.2.1 model processing: the doctor obtains the dental model of the user, designs the drawn line according to the conditions of the user model, and copies a set of tooth arrangement models by using agar.
5.2.2 model Scan: establishing an order by using a Danish 3shape scanning cabin, newly establishing the order by using digital software of the Danish 3shape, inputting a single number, selecting a working model and closing, selecting a repair project bracket, selecting a repair material of pure titanium or cobalt chromium, clicking a scanning icon, respectively scanning an upper jaw model and a lower jaw model and occluding according to software prompt scanning, finishing scanning, and storing a file.
5.2.3 Stent design: clicking an order, designing right click, designing a bracket clamping ring, a support and a connector according to a design line, setting a positioning coordinate on a missing point, wherein the positioning coordinate can adopt a reinforcing nail mode, the diameter of the positioning coordinate is 1.0mm, the height of the positioning coordinate is 2.0mm, the positioning coordinate is consistent with the long axis of a tooth, and the design is finished by referring to the involution functional tip.
5.2.4 Stent printing: and clicking an order, clicking high grade by right click, then clicking export, exporting the stl three-dimensional file, importing the stl three-dimensional file into typesetting software, and typesetting and printing the support. And the reinforcing nail and the bracket are of an integrated structure.
5.2.5 maxilla rack: and fixing the occlusion relation of the upper and lower jaw models according to the occlusion record, and printing the upper jaw frame.
5.2.6 grinding and polishing of the bracket: the bracket is tried on and blended, and the polished surface of the bracket is bright.
5.2.7 closing the mesh: spreading the mesh with wax; if the alveolar bone is absorbed, the normal height is recovered, and the reserved space of the dental crown is used for referring to the adjacent tooth.
Step for manufacturing complete ceramic false tooth according to digital software
The general process is as follows: scanning a support, designing a dental crown, typesetting and cutting, dip-dyeing and sintering, and glazing. The Denmark 3shape scanning cabin, the Denmark 3shape design software and the Germany Sinoded cutting equipment are adopted.
5.3.1 scanning support: establishing an order input order, selecting a working mold and closing, selecting a dental crown and an anatomical coping and single crown order of a repair project, selecting a repair material of zirconium oxide, clicking a scanning icon, checking that meshes of a support are closed by wax, spraying scanning powder on the surface of the support, then scanning, prompting scanning according to software, respectively scanning an upper jaw model and a lower jaw model and occluding, finishing scanning, and storing a file.
5.3.2 design hollow type full porcelain artificial tooth (namely hollow type full porcelain dental crown): firstly determining the in-position direction consistent with the positioning coordinate according to the prompt of software, drawing a margin line according to the shape of the dental crown, clicking the next step to jump to an interface, confirming whether the selected materials are consistent, and adjusting the binder gap parameter 0.045 and the extra binder parameter 0.055; clicking next jump to next step smile project arrangement dental crown to reduce the crown to 2/3 with normal size, adjusting the margin compensation parameter to be 0.020, clicking next jump to engraving project to finish the design and execution parameters of the dental crown form, wherein the thickness parameter is 0.8mm, the occlusal back-cut parameter is 0.020, and the adjacent back-cut parameter is 0. Clicking the next step to jump to an anatomical coping project, executing the compensation parameter of the virtual anatomical coping by 0.8mm to form a hollow dental crown, clicking the next step to finish design and storage, clicking an order, clicking a high level right key, clicking and exporting, exporting the stl three-dimensional file, and importing the stl three-dimensional file into typesetting software for typesetting.
5.3.3 typesetting and cutting: importing the stl three-dimensional file into typesetting software for automatic typesetting, adding the typesetting software into cutting equipment, selecting a material disc according to the stl three-dimensional file height, installing the material disc in an equipment cabin, clamping a clamp by a wrench, closing a cabin door to start cutting, when taking down the cut dental crown from a porcelain block, using a special small split drill made of hard alloy with the diameter of 0.5mm to cut in a diagonal direction from the neck edge without touching the edge, and polishing the smooth and protrusion-free supporting part of the dental crown by a porcelain polishing wheel when finishing the residual part of a connecting line; cleaning the powder inside and outside the dental crown to clean the dental crown.
5.3.4 dip-dyeing and sintering: internal colorimetric dyeing is carried out according to doctors, cutting solution is coated firstly and then dip-dyed for 60 seconds according to color numbers, the cut solution is taken out immediately, paper is used for drying in a test mode, the paper is naturally aired for 30 minutes, the zirconia crown edge is placed in a sintering tray upwards and then placed in a sintering furnace for sintering, the sintering temperature is 1500 ℃, the sintering time is 3.5 hours, and the cooling time is 1 hour.
5.3.5 glazing: the neck 1/3, the middle 1/3, the cut (or combined) 1/3 of the dip-dyed sintered crown are gradually colored according to the color comparison of a doctor and are externally dyed and glazed according to the special color in the photo mouth, and the glazing temperature is 820 ℃. Secondary dyeing is required if special colors are needed.
The step of tooth arrangement and fixation of the false tooth bracket and the complete porcelain false tooth
The general process is as follows: tooth arrangement, injection molding and grinding and polishing
5.4.1 tooth arrangement: restoring the dental crown according to the occlusion relation on the jaw frame, manufacturing a wax base, finishing the wax base by simulating the form of the gum, and delivering goods to a user to try on
5.4.2 injection moulding: after the user tries to return, the user tries to return to the original position by using the following steps of 1: mixing and stirring silica gel at a ratio of 1 for about 30 seconds, uniformly coloring, embedding the wax base and the dental crown, scalding with 100 ℃ boiled water, making a drainage hole, resetting the dental crown, performing injection molding on the silica gel after resetting, fixing the wax base and the dental crown on a denture support through a positioning coordinate, and placing the denture support and the dental crown in a pressure cooker with 0.4 MPa for curing and exhausting in 60 ℃ water.
5.4.3, grinding and polishing: polishing the surface of the base to be smooth, finishing polishing and preparing the removable denture; worn and checked by the user.
It should be understood, however, that the description herein of specific embodiments is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. An oral cavity digital bracket all-ceramic combined repairing method for removable denture is characterized in that:
the method comprises the steps of manufacturing the denture framework according to digital software, wherein cylindrical positioning coordinates are arranged at the corresponding position of the denture framework;
the method comprises the steps of manufacturing the full-ceramic false tooth according to digital software, wherein the full-ceramic false tooth is in a hollow type, and the hollow of the full-ceramic false tooth is matched with the positioning coordinate;
the denture framework and the full-ceramic denture are fixed in a tooth arrangement mode;
it still includes that the user wears above-mentioned artificial tooth support and makes under the alveolar bone absorption condition:
a step of re-manufacturing a new denture framework and re-fixing the complete porcelain denture separated from the denture framework on the re-manufactured new denture framework;
the step of manufacturing the denture framework according to the digital software comprises the following steps:
A. designing a drawing line according to the conditions of a user model, and copying a row of tooth models by using agar;
B. scanning the user model after drawing the line to obtain corresponding data, and inputting the corresponding data into digital software to generate a denture framework model;
C. importing the three-dimensional file of the denture framework model into three-dimensional printing equipment for printing to obtain the denture framework;
the step of manufacturing the full-ceramic denture according to the digital software comprises the following steps:
a. according to the positioning coordinates obtained in the step of manufacturing the denture framework by using digital software, generating a dental crown position, designing dental crown data, drawing a margin line on the dental crown shape, finally generating a hollow type all-ceramic denture model, and guiding the three-dimensional file of the hollow type all-ceramic denture model into typesetting and cutting equipment for cutting to obtain a hollow type all-ceramic denture blank;
b. carrying out dip-dyeing, sintering and glazing on the hollow type all-ceramic false tooth blank to obtain the all-ceramic false tooth;
the dip-dyeing sintering comprises the following steps:
dip-dyeing the hollow full-ceramic false tooth blank for 60 seconds according to the color number, immediately taking out, wiping with paper, naturally drying for 30 minutes, placing the blank with the edge of the dental crown facing upwards in a sintering plate, sintering in a sintering furnace at the sintering temperature of 1500 ℃ for 3.5 hours, and cooling for 1 hour;
the glazing comprises:
the hollow type full porcelain false tooth blank is subjected to neck 1/3, middle 1/3 and cut 1/3 gradual color rendering according to color comparison and external dyeing glazing according to special colors in the mouth of a user, wherein the glazing temperature is 820 ℃.
2. The method for the combined porcelain restoration of an oral digitized bracket as set forth in claim 1, wherein the fully porcelain false tooth is a zirconia crown and the positioning coordinates are reinforcing nails.
3. The method for the porcelain-all joint restoration of a digital bracket for an oral cavity according to claim 1, wherein the denture bracket comprises a bracket clasp, a bracket and a connector, and the positioning coordinates are set on the missing position of the connector.
4. The all-ceramic united restoration method for the digital bracket in the oral cavity according to claim 1, wherein the denture bracket is made of pure titanium or cobalt chromium.
5. The method for porcelain-joint restoration of a digital dental support according to claim 1, wherein the step of fixing the denture support and the porcelain denture in a tooth arrangement comprises:
resetting the full-ceramic denture according to the occlusion relation on the jaw frame, manufacturing a wax base, finishing the wax base by simulating the gingival shape, and trying on the wax base by a user;
after the try-on is finished, fixing the silica gel embedded wax base support and the all-ceramic false tooth on the false tooth support, scalding wax with 100 ℃ boiled water, manufacturing a drainage hole, resetting the all-ceramic false tooth, performing injection molding on the silica gel reset by using a base support material, placing the base support in a pressure cooker with 0.4 MPa, curing and exhausting gas at 60 ℃ in water, polishing the surface of the injection molded base support smoothly, and finishing polishing to obtain the removable false tooth.
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| CN112022394A (en) * | 2020-08-07 | 2020-12-04 | 北京联袂义齿技术有限公司 | Use method of dental embolus type attachment |
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