CN110786948B - Preparation process of pure titanium bridge false tooth - Google Patents
Preparation process of pure titanium bridge false tooth Download PDFInfo
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- CN110786948B CN110786948B CN201811574331.0A CN201811574331A CN110786948B CN 110786948 B CN110786948 B CN 110786948B CN 201811574331 A CN201811574331 A CN 201811574331A CN 110786948 B CN110786948 B CN 110786948B
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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
- A61C13/087—Artificial resin teeth
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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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Abstract
The invention discloses a pure titanium bridge denture preparation process, which relates to the technical field of complete denture preparation and sequentially comprises the following steps: taking a model by occlusion of a patient; scanning the gypsum model by using a three-dimensional scanner to obtain the shape data of the target denture; processing the false tooth shape data by using CAD software to complete the bridge frame design; machining is adopted, and the titanium cake is cut at a high speed to form a pure titanium bridge, wherein the pure titanium bridge is provided with an abutment; a screw retaining hole is formed in the pure titanium bridge; detecting the size of the pure titanium bridge frame; performing plastic baking on the pure titanium bridge frame to form plastic baking teeth; and manufacturing gingiva on the molded tooth and the pure titanium bridge to form the pure titanium bridge false tooth. Aiming at the problem that the casting stress of a pure titanium bridge frame in the prior art affects the subsequent planting process, the invention effectively avoids the problem of the casting stress in the bridge frame in a mode of mold-taking machining, and simultaneously accelerates the manufacturing speed and reduces the machining cost through a plastic-baking process.
Description
Technical Field
The invention relates to the technical field of complete denture manufacturing, in particular to a pure titanium bridge denture manufacturing process.
Background
For the problem that most of the old people often have teeth in the mouth which fall off, hospitals usually adopt a full-restoration mode to manufacture complete dentures to help patients recover the chewing function of the oral cavity.
For the existing pure titanium bridge false tooth preparation technology, a casting and integral forming mode is usually adopted to process a pure titanium bridge, then porcelain baking is carried out on the pure titanium bridge, and the firmness of the porcelain baking is ensured by detecting the combination of golden porcelain. In the process of casting the metal titanium, the interior of the metal titanium is affected by thermal expansion and cold contraction and has certain stress, so that certain deviation exists between the manufactured false tooth and the originally designed size, when the complete false tooth is fixed on an implant in the mouth of a patient, the complete false tooth cannot be in movable fit with the implant in place, and the contracted pure titanium bridge frame drives the implant to move, so that the firmness of the implant is affected, and the lower jaw of the mouth of the patient is damaged.
Disclosure of Invention
Aiming at the problem that the casting stress of a pure titanium bridge frame in the prior art influences the subsequent planting process, the invention aims to provide the preparation process of the false tooth of the pure titanium bridge frame, which effectively avoids the casting stress in the pure titanium bridge frame and is convenient for the pure titanium bridge frame and the implant to be moved in place, thereby improving the planting precision and firmness.
In order to achieve the purpose, the invention provides the following technical scheme:
a preparation process of a pure titanium bridge denture comprises the following steps:
step S1: mixing metal powder and a binder into a homogeneous feed, pressing and forming to form a blank, and delivering the blank to a patient for occlusion to form a gypsum model;
step S2: scanning the gypsum model by using a three-dimensional scanner to obtain the shape data of the target denture;
step S3: processing the false tooth shape data by using CAD software to complete the bridge frame design;
step S4: outputting the designed data to CAM equipment, cutting the titanium cake at a high speed to form a pure titanium bridge, wherein the pure titanium bridge is provided with abutments;
step S5: forming screw retaining holes on the pure titanium bridge frame in a machining mode;
step S6: detecting the size of the pure titanium bridge frame;
step S7: performing plastic baking on the pure titanium bridge frame to form plastic baking teeth;
step S8: and manufacturing gingiva on the molded tooth and the pure titanium bridge to form the pure titanium bridge false tooth.
By the technical scheme, the titanium cake is cut by a machining mode, so that casting stress existing in the pure titanium bridge is effectively avoided, the pure titanium bridge is ensured to have higher machining precision, and the pure titanium bridge is conveniently and passively positioned on the implant; the molding teeth are formed by performing molding on the pure titanium bridge, so that the processing speed is effectively improved, and the manufacturing cost of the false tooth is reduced.
Further, step S7 includes the following steps:
step S71: sanding the pure titanium bridge, and isolating moisture from the sanded pure titanium bridge;
step S72: coating a metal treating agent on the pure titanium bridge frame;
step S73: coating curing glue OP on the abutment, and carrying out color comparison or color coating according to the requirements of doctors and photocuring for 3 to 5 minutes;
step S74: photocuring the porcelain on the upper body of the abutment for 3 minutes;
step S75: photo-curing the effect resin on abutment OE2 for 3 minutes;
step S76: the cut resin 58 and the transparent resin T were photo-cured for 3 minutes on the abutment to form a molded tooth on the abutment.
According to the technical scheme, the baking and molding process is completed for various resins on the abutment to form the baking and molding tooth; by coloring, the color matching between the false tooth and the occlusal space is improved, and the use is more coordinated.
Furthermore, in the resin applying process, a tool wax knife is used for applying resin, and the resin is softened by the conditioning fluid.
According to the technical scheme, the conditioning liquid is used for softening the resin, and then the wax knife is used for trimming the shape of the resin.
Further, in step S71, after the pure titanium bridge is sanded, a retaining groove is formed in the abutment.
Through the technical scheme, the retention groove is formed to increase the contact area between the abutment and the resin, so that the connection strength between the resin and the abutment is effectively improved.
Further, in step S72, after the metal treatment agent is applied, the abutment is applied with the pre-shading paste.
Through the technical scheme, the pre-shading paste is coated to further enhance the viscosity of the surface of the abutment and improve the connection strength between the pre-shading paste and the resin.
Further, step S8 includes the following steps:
step S81: coating gum OP light on the molded teeth and the pure titanium bridge frame for curing for 5 minutes;
step S82: sequentially coating gingiva resin BG34, gingiva resin GUM-D, gingiva resin GUM-T and gingiva resin GUM-OR between the baked and molded teeth, and performing photocuring treatment after coating gingiva resin.
Through above-mentioned technical scheme, make the gum between the tooth is moulded in the roast, improve the pleasing to the eye degree of artificial tooth.
Further, the method also includes step S83: IG3 was coated on the labial ligament of the baked teeth and light-cured for 1 minute.
Through the technical scheme, the IG3 resin is coated to improve the fit and the buffer between the denture and the inner part of the oral cavity.
Further, in step S8, the pure titanium bridge denture is formed and then cleaned and sterilized by high-temperature steam.
Through the technical scheme, the pure titanium bridge false tooth is cleaned by using high-temperature water vapor, surface dust is removed, and sterilization and disinfection are simultaneously carried out.
Compared with the prior art, the invention has the beneficial effects that:
(1) the titanium cake is cut by CAD/CAM assistance, so that the memory casting stress of the pure titanium bridge is effectively avoided, the forming precision of the pure titanium bridge is greatly improved, the pure titanium bridge is conveniently and passively positioned on the implant, and the stability of the pure titanium bridge fixed on the implant is improved;
(2) the molded tooth is formed by molding on the abutment of the pure titanium bridge, so that the processing speed is effectively improved, and the manufacturing cost of the false tooth is reduced;
(3) furthermore, the retaining groove is formed in the abutment, so that the contact surface between the abutment and the resin is increased, and the connection strength between the injection molding and the abutment is improved.
Drawings
FIG. 1 is a block diagram of a process flow of the present invention;
FIG. 2 is a block flow diagram of a plastic-baking process of the present invention;
fig. 3 is a block diagram illustrating a process for gum preparation according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following provides a detailed description of the present invention with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, a preparation process of a pure titanium bridge denture comprises the following steps:
step S1: mixing metal powder and a binder into a homogeneous feed, pressing and forming to form a blank, and delivering the blank to a patient for occlusion to form a gypsum model;
step S2: scanning the gypsum model by using a three-dimensional scanner to obtain the shape data of the target denture;
step S3: using CAD software to perform reverse processing on the denture outline data, adjusting according to the requirements of patients and the suggestions of doctors through the CAD software to complete bridge frame design, and storing the trimmed tooth shape data;
step S4: transmitting the designed tooth type data to CAM equipment, using a linked automatic processing lathe with a WEIMEI 308B5 shaft 6 to cut medical titanium cakes at high speed to form a pure titanium bridge, wherein abutments are integrally fixed on the pure titanium bridge;
step S5: a screw retaining hole is formed in the pure titanium bridge frame in a machining mode, the screw retaining hole corresponds to the position of the corresponding implant site, and the pure titanium bridge frame is conveniently fixed on the implant through threaded connection between the screw and the screw retaining hole;
step S6: detecting the size of the pure titanium bridge, detecting whether the occlusion degree between the upper jaw and the lower jaw reaches the standard, and whether the convexity and the length of the pure titanium bridge are the same as those of the design, wherein particularly, whether the pure titanium bridge processed meets the special requirements of doctors or not is determined according to the special requirements of the doctors;
step S7: performing plastic baking on the pure titanium bridge frame to form plastic baking teeth;
the plastic baking process comprises the following steps:
step S71: the pure titanium bridge is subjected to sanding treatment, the staggered retention grooves are formed in the abutments, the sanded pure titanium bridge is isolated from moisture and kept dry, resin can be conveniently applied subsequently, the retention grooves are formed to increase the contact area between the abutments and the resin, and therefore the connection stability between the resin and the abutments is improved;
step S72: coating a metal treating agent on the pure titanium bridge, and drying to increase the bonding force of the surface of the pure titanium bridge; after the metal treating agent is coated, the pre-shading paste is coated on the abutment, and photocuring treatment is carried out for 1 minute, so that the bonding force of the surface of the pure titanium bridge is further enhanced, and the subsequent connection strength between the pure titanium bridge and resin is improved.
Step S73: coating curing glue OP on the abutment, and carrying out color comparison or color coating according to the requirements of doctors and photocuring for 3 to 5 minutes;
step S74: photocuring the porcelain on the upper body of the abutment for 3 minutes;
step S75: photo-curing the effect resin on abutment OE2 for 3 minutes;
step S76: the cut resin 58 and the transparent resin T are photo-cured for 3 minutes on the abutment to finally form a molded tooth on the abutment.
In the resin applying process, a wax knife is used for applying resin, and the resin is softened by the conditioning fluid, so that the shape of the resin is convenient to adjust.
Step S8: and manufacturing gingiva on the molded tooth and the pure titanium bridge to form the pure titanium bridge false tooth.
The gum manufacturing process comprises the following steps:
step S81: coating gum OP light on the molded teeth and the pure titanium bridge frame for curing for 5 minutes;
step S82: sequentially coating gingival resin BG34, photocuring for 3 minutes, gingival resin GUM-D, photocuring for 3 minutes, gingival resin GUM-T, photocuring for 3 minutes and gingival resin GUM-OR among the baked and molded teeth, and photocuring for 3 minutes.
Step S83: IG3 was coated on the labial ligament of the baked teeth and light-cured for 1 minute.
And finally, spraying high-temperature steam on the pure titanium bridge false tooth for cleaning and disinfection.
In summary, the following steps:
when the artificial tooth is used, a plurality of implants are fixed in the upper jaw and the lower jaw of a patient, the buffer base layer is fixed between the implants, the manufactured pure titanium bridge artificial tooth is placed on the implants, the pure titanium bridge is fixed in place with the implants through passive action due to high machining precision, screws are screwed into screw retaining holes, and the screws are simultaneously in threaded connection with the implants, so that the pure titanium bridge artificial tooth is fixed in the mouth of the patient.
When the method is used for processing, the titanium cake is cut by CAD/CAM assistance to produce the pure titanium bridge, the manufacturing precision is high, the casting stress in the pure titanium bridge can be effectively avoided, the pure titanium bridge is prevented from being deformed, the pure titanium bridge is favorably and passively positioned on the implant, and the stability of the pure titanium bridge fixed on the implant and the firmness of screw connection are improved; the molded tooth is formed by molding on the abutment of the pure titanium bridge, so that the processing speed is effectively improved, and the manufacturing cost of the false tooth is reduced; the fixing groove is formed in the abutment, so that the contact surface between the abutment and resin is increased, and the connection strength between the plastic baking and the abutment is improved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (4)
1. A preparation process of a pure titanium bridge denture is characterized by comprising the following steps:
step S1: mixing metal powder and a binder into a homogeneous feed, pressing and forming to form a blank, and delivering the blank to a patient for occlusion to form a gypsum model;
step S2: scanning the gypsum model by using a three-dimensional scanner to obtain the shape data of the target denture;
step S3: processing the false tooth shape data by using CAD software to complete the bridge frame design;
step S4: outputting the designed data to CAM equipment, cutting the titanium cake at a high speed to form a pure titanium bridge, wherein the pure titanium bridge is provided with abutments;
step S5: forming screw retaining holes on the pure titanium bridge frame in a machining mode;
step S6: detecting the size of the pure titanium bridge frame;
step S7: performing plastic baking on the pure titanium bridge frame to form plastic baking teeth; the method comprises the following steps:
step S71: sanding the pure titanium bridge, and isolating moisture from the sanded pure titanium bridge; after the pure titanium bridge frame is sanded, a retaining groove is formed in the abutment;
step S72: coating a metal treating agent on the pure titanium bridge frame; after the metal treatment agent is coated, coating a pre-shading paste on the abutment;
step S73: coating curing glue OP on the abutment, and carrying out color comparison or color coating according to the requirements of doctors and photocuring for 3 to 5 minutes;
step S74: photocuring the porcelain on the upper body of the abutment for 3 minutes;
step S75: photo-curing the effect resin on abutment OE2 for 3 minutes;
step S76: cutting the resin 58 and the transparent resin T on the abutment and carrying out photocuring for 3 minutes to form a molded tooth on the abutment;
in the resin applying process, resin is applied by a tool wax knife, and the resin is softened by a conditioning solution;
step S8: and manufacturing gingiva on the molded tooth and the pure titanium bridge to form the pure titanium bridge false tooth.
2. The process for preparing the denture with the pure titanium bridge according to claim 1, wherein the step S8 comprises the following steps:
step S81: coating gum OP light on the molded teeth and the pure titanium bridge frame for curing for 5 minutes;
step S82: sequentially coating gingiva resin BG34, gingiva resin GUM-D, gingiva resin GUM-T and gingiva resin GUM-OR between the baked and molded teeth, and performing photocuring treatment after coating gingiva resin.
3. The process for preparing the denture with the pure titanium bridge according to claim 1, further comprising the step of S83: IG3 was coated on the labial ligament of the baked teeth and light-cured for 1 minute.
4. The process of claim 1, wherein in step S8, the pure titanium bridge denture is cleaned and sterilized by high temperature steam after being formed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811574331.0A CN110786948B (en) | 2018-12-21 | 2018-12-21 | Preparation process of pure titanium bridge false tooth |
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| CN201811574331.0A CN110786948B (en) | 2018-12-21 | 2018-12-21 | Preparation process of pure titanium bridge false tooth |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111297502A (en) * | 2020-02-23 | 2020-06-19 | 上海欧叶齿科技术有限公司 | BioHPP bridge false tooth and preparation process thereof |
| CN111839774A (en) * | 2020-08-28 | 2020-10-30 | 京品医学科技（北京）有限公司 | Machining process for implanting pure titanium bridge artificial tooth by material increase and material decrease combined manufacturing |
| CN112972031B (en) * | 2021-02-05 | 2022-06-24 | 星火万方齿科技术(北京)有限公司 | High-precision false tooth and preparation method thereof |
| CN113133841A (en) * | 2021-04-12 | 2021-07-20 | 广西自贸区中立数字科技有限公司 | 3D printing manufacturing method of pure titanium dental crown |
| CN113171195A (en) * | 2021-04-30 | 2021-07-27 | 重庆豪迟义齿制作有限公司 | Processing method of anti-collapse ceramic tooth |
| CN113693756A (en) * | 2021-09-26 | 2021-11-26 | 朱小成 | Composite false tooth and manufacturing method thereof |
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