Digital glazing method for false tooth

Abstract

The invention relates to a false tooth digital glazing method, which comprises the following specific steps: data design, data entry, false tooth fixation, false tooth positioning, false tooth scanning, digital glazing, glaze baking, and grinding and polishing: after the false tooth is subjected to glaze baking, precise grinding is carried out to remove tiny flaws and unevenness on the surface so as to ensure that the surface of the false tooth is smooth and burr-free. According to the artificial tooth glazing device, the uniformity and attractiveness of the surface of an artificial tooth are improved, the glazing process is more efficient, the production period is greatly shortened, and the labor cost is reduced. Besides, by means of the digital glazing machine method, errors caused by manual operation are reduced, the consistency of the glazing quality of each false tooth is guaranteed, and the overall quality of products is improved.

Description

Technical Field

[0001] The invention relates to the field of oral restoration, and in particular to a denture digital glazing method. Background Art

[0002] Denture glazing is a very critical step in denture processing. Denture glazing refers to applying one or more layers of enamel material on the surface of the denture, and then solidifying and bonding it through sintering; in order to simulate the appearance and gloss of natural teeth, while preventing the accumulation of dental plaque and food debris, so as to increase the beauty, durability and comfort of the denture; in addition, glazing can also repair micro-defects on the denture, such as fine cracks, scratches, etc., to make the denture more perfect.

[0003] Although the traditional denture glazing process has become a mature process after years of practice, it still has its inherent limitations that cannot be ignored. First, it is inefficient. Manual glazing is not only time-consuming and labor-intensive, but it is also difficult to ensure that every denture can be glazed with high quality in a short period of time. Secondly, the quality of the glaze layer is unstable, and manual operation is difficult to ensure the uniformity and consistency of the glaze layer quality. Since manual operation is easily affected by many factors, such as the operator's experience, technical level, and mental state, it is difficult to achieve uniform standards in terms of the uniformity, glossiness, and wear resistance of the glaze layer. In addition, manual operation is also prone to errors, such as the glaze layer being too thick, too thin, uneven, or even damaged, which will seriously affect the appearance and durability of the denture. Summary of the invention

[0004] The purpose of this invention is to propose a digital denture glazing method, which aims to completely change the traditional glazing mode through the introduction of digital technology, and realize the high efficiency, precision and intelligence of denture glazing. For the above invention purpose, the present invention adopts the following technical solution: A method for digital glazing of dentures, the specific steps of the glazing method are as follows: 1) Data design: Design glazing data based on the denture bottom crown, including morphological data and color data. The glazing thickness is designed to be between 0.3-5mm, and the color data is set according to the color of the patient's adjacent teeth. 2) Data entry: import the designed glazing thickness data and color data, and calculate the glazing path; if there is no designed glazing data, the glazing thickness and color can be manually input and set; 3) Denture fixation: Place the metal porcelain crown, zirconia porcelain crown, zirconia all-ceramic crown, glass ceramic crown and other dentures waiting to be glazed into the designated position of the digital denture glazing machine, with a position deviation of no more than 20mm; 4) Denture positioning: The digital denture glazing machine automatically identifies the actual relative position of the denture to be glazed to provide relative coordinates for subsequent denture scanning; 5) Denture scanning: The digital denture glazing machine automatically scans and identifies the feature points of the denture to be glazed so as to fit and accurately locate the denture with the glazing data, or performs shape recognition for the denture without glazing data for path planning; 6) Digital glazing means that the digital denture glazing machine will automatically adjust the precise distance and angle between the spray head and the denture to be glazed according to the previous positioning and scanning of the position coordinates of the denture to be glazed; the digital denture glazing machine nozzle contains glaze mixed according to color data, and the digital denture glazing machine sprays glaze on the denture to be glazed according to the glazing path, and the final shape is consistent with the designed three-dimensional data; 7) Glaze baking: Place the denture sprayed with glaze into the glaze baking furnace and heat it according to the preset glaze baking curve; 8) Grinding and polishing: After the denture is glazed, it is precisely ground to remove tiny flaws and unevenness on the surface to ensure that the denture surface is smooth and burr-free.

[0005] The digital denture glazing method proposed in the present invention has significant advantages over the traditional manual glazing method; it not only improves the uniformity and aesthetics of the denture surface, but also makes the glazing process more efficient, greatly shortens the production cycle, and reduces labor costs. In addition, the digital glazing machine method reduces the error of human operation, ensures the consistency of the glazing quality of each denture, and improves the overall quality of the product; In terms of environmental protection, the automatic glazing method of the present invention reduces the waste and pollution that may be generated in the traditional manual glazing process, improves material utilization, and conforms to the modern green and environmentally friendly production concept; at the same time, due to the automation of the glazing process, the technical requirements for operators are reduced, allowing more non-professionals to quickly get started, thereby improving production efficiency.

[0006] In summary, the digital denture glazing method of the present invention not only improves production efficiency and product quality, but also has the advantages of environmental protection and energy saving, and has good market application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 A flow chart of a denture digital glazing method.

[0008] Figure 2 A schematic diagram of a denture digital design data model. DETAILED DESCRIPTION

[0009] The present invention is described in detail with reference to the accompanying drawings and specific embodiments: A denture digital glazing method, step 1: importing the prepared tooth scan data 1 into computer-aided design (CAD) software to design a denture plan; designing zirconia all-ceramic denture bottom crown data 2, glazing shape data 3, glazing thickness of 2 mm; glazing color data 4, glazing color of A3 color according to the patient's oral data and customer needs; Step 2: Use the zirconia CAD / CAM system to process the zirconia all-ceramic denture bottom crown blank 5; Step 3: Place the zirconia all-ceramic denture bottom crown blank 4 into a high-temperature sintering furnace for high-temperature crystallization to obtain the zirconia all-ceramic denture bottom crown 6. Set the sintering temperature to 1530°C and the holding time to 2 hours; Step 4: Grind off the support rod of the sintered zirconia all-ceramic denture bottom crown 6, and put it into an automatic polishing machine for polishing to eliminate burrs; Step 5: Import the glazing shape data 3 and the glazing color data 4 into the digital glazing equipment control software, set the single-layer glazing thickness to 0.1 mm, and calculate the glazing path data 7; Step 6: Place the ground and polished zirconia all-ceramic denture crown 5 into the designated working area of ​​the digital glazing device, import the denture glazing path data 7, the digital glazing device will automatically mix the glaze material into A3 color, and automatically identify the position and characteristics of the zirconia all-ceramic denture crown 6, and stack the glaze material layer by layer on the outer surface of the zirconia all-ceramic denture crown 6 according to the glazing path to obtain a glazed denture crown 8; Step 7: Place the glazed denture crown 8 on the sintering plate, send it into the vacuum porcelain glaze furnace, execute the glaze sintering program, set the glaze temperature to 920°C, and the time to 4 minutes, and the glazed tooth 9 can be obtained; Step 8: Place the baked enamel crown 9 into an automatic polishing machine to remove burrs and attachments.

[0010] Step 9: Conduct quality inspection on the finished product to ensure that its color-shading effect, shape and edge sealing meet the requirements; Through the above implementation methods, efficient, high-quality, and personalized customization of the denture digital glazing method can be achieved.

Claims

1. A method for digital glazing of dentures, characterized in that: The specific steps of the glazing method are as follows: 1) Data design: Design glazing data based on the denture bottom crown, including morphological data and color data. The glazing thickness is designed to be between 0.3-5mm, and the color data is set according to the color of the patient's adjacent teeth. 2) Data entry: import the designed glazing thickness data and color data, and calculate the glazing path; If there is no glazing data, you can manually input and set the glazing thickness and color; 3) Denture fixation: Place the metal porcelain crown, zirconia porcelain crown, zirconia all-ceramic crown, glass ceramic crown and other dentures waiting to be glazed into the designated position of the digital denture glazing machine, with a position deviation of no more than 20mm; 4) Denture positioning: The digital denture glazing machine automatically identifies the actual relative position of the denture to be glazed to provide relative coordinates for subsequent denture scanning; 5) Denture scanning: The digital denture glazing machine automatically scans and identifies the feature points of the denture to be glazed so as to fit and accurately locate the denture with the glazing data, or performs shape recognition for the denture without glazing data for path planning; 6) Digital glazing means that the digital denture glazing machine will automatically adjust the precise distance and angle between the spray head and the denture to be glazed according to the previous positioning and scanning of the position coordinates of the denture to be glazed; the digital denture glazing machine nozzle contains glaze mixed according to color data, and the digital denture glazing machine sprays glaze on the denture to be glazed according to the glazing path, and the final shape is consistent with the designed three-dimensional data; 7) Glaze baking: Place the denture sprayed with glaze into the glaze baking furnace and heat it according to the preset glaze baking curve; 8) Grinding and polishing: After the denture is glazed, it is precisely ground to remove tiny flaws and unevenness on the surface to ensure that the denture surface is smooth and burr-free.

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