Additive manufactured denture base support body

Abstract

The utility model discloses an additive manufacturing denture base support body, the support body comprises a base and an imitated dental arch section, the base is a tongue-shaped panel with a certain thickness, the imitated dental arch section is arranged on the base, and the imitated dental arch section is a parabola-shaped protruding part arranged on the edge side of the base. The dimensional stability / integrity of the denture base is enhanced, in particular during printing post-processing steps of artificial tooth adhesion and secondary curing prior to removal of the support from the finished denture; the supporting body can be repeatedly used, and the working step of processing the consumable type removable supporting body does not need to be arranged on a production line.

Description

Technical Field

[0001] The utility model relates to the field of digital oral medical equipment, in particular to a support body of a denture base manufactured by additive manufacturing. Background Art

[0002] Clinically, the treatment measures for oral tooth defects are porcelain teeth, dental implants, and wearing oral dentures. Compared with porcelain teeth and dental implants, oral dentures are accepted by the majority of patients with oral tooth defects because they are easy to use, clean and replace. In addition, my country's population is gradually entering the aging stage, and there are more and more elderly edentulous patients. This group of people is more susceptible to physical, psychological, economic and other factors. Full denture restoration has become the preferred treatment for oral and jaw function reconstruction in elderly edentulous patients. A pair of "usable and easy-to-use" full dentures has become a large-scale and widespread social demand. Full dentures are composed of two parts, namely artificial teeth and denture bases. Among them, the denture base bears an important force transmission function. The materials used to manufacture the denture base mainly include vulcanized rubber and plastics, such as polymethyl methacrylate (PMMA). PMMA denture base DLP additive manufacturing technology is an advanced digital manufacturing technology with the advantages of high precision, high efficiency and low cost.

[0003] There are many problems in the traditional full denture manufacturing process, such as many steps, long cycle, many visits, and high dependence on the experience of doctors and technicians. At present, the digital technology of oral restoration represented by CAD / CAM technology has developed relatively maturely in the restoration of fixed, implanted and removable partial denture brackets, greatly improving the efficiency and accuracy of denture production. In recent years, with the rapid development of additive manufacturing technology, 3D printed denture restoration has become a research hotspot. Compared with traditional processes, the use of this technology in the manufacturing process can improve the manufacturing accuracy and comfort of denture restorations, shorten the production cycle and realize personalized manufacturing.

[0004] The Chinese invention patent with publication number CN114144142A discloses an additively manufactured dental device, which includes a denture base and at least one removable support body joined to the denture base at a specific position, and also discloses a method of using these additively manufactured dental devices in the manufacture of dentures. The mandibular denture base of the dental device includes a dental arch form, the dental arch form has a buccal side and a lingual side, and a plurality of tooth grooves are arranged in a recessed manner between the buccal side and the lingual side along the dental arch form. Similarly, the maxillary denture base includes a dental arch form, the dental arch form has a buccal side, a lingual side and a palatal vault, wherein the palatal vault is integrally formed with the lingual side of the dental arch form and extends across the lingual side, and similarly, a plurality of tooth grooves can be arranged in a recessed manner between the buccal side and the lingual side along the dental arch form. For both the mandibular denture base and the maxillary denture base, the dental arch form can have one or more tooth grooves located in a "front part", "left rear part" and "right rear part". The disclosed support body enhances the dimensional stability / integrity of the denture base, especially during the post-printing processing steps of artificial tooth bonding and secondary curing before removing the support body from the finished denture. However, the support body of the patent is generated at the same time as the denture base is prepared each time, cannot be reused, and is a consumable type stable structure setting, which increases the problem of waste disposal of the support body. Summary of the invention

[0005] In order to solve the above technical problems, the utility model intends to provide the following technical solutions:

[0006] A support body for an additively manufactured denture base, the support body comprising a base and an artificial dental arch segment, the base being a tongue-shaped panel with a certain thickness, the artificial dental arch segment being a parabolic protrusion arranged on the edge side of the base.

[0007] Preferably, the simulated dental arch segment is arranged to decrease in width in a direction away from the base.

[0008] Preferably, the width of the simulated dental arch segment ranges from 3 mm to 25 mm.

[0009] Preferably, the height of the simulated dental arch segment ranges from 10 mm to 40 mm.

[0010] Preferably, the support body is an axisymmetric structure.

[0011] Preferably, the heights of the simulated dental arch segments vary.

[0012] Preferably, the support material is glass.

[0013] The advantages of this solution are: 1. It enhances the dimensional stability / integrity of the denture base, especially during the post-printing processing steps of artificial tooth bonding and secondary curing before removing the support body from the finished denture; 2. It can be reused, and there is no need to arrange a work step for handling consumable removable supports on the production line; 3. Glass material is used, which can be used as a support body to support the molding of the denture base during printing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the support body of the utility model. DETAILED DESCRIPTION

[0015] The present invention is further described in detail below through specific implementation modes:

[0016] like Figure 1 As shown, a support body of an additively manufactured denture base, the support body includes a base 1 and an imitation dental arch segment 2, the base 1 is a tongue-shaped panel with a certain thickness, the base 1 is recessed at the recess 11 shown in the figure, to reduce the consumables for making the support body, the base 1 is provided with an imitation dental arch segment 2, the imitation dental arch segment 2 is a parabolic protrusion arranged on the edge side of the base, and the width (b) of the imitation dental arch segment 2 is set in the range of 3mm to 25mm. The height range (h) of the imitation dental arch segment 2 is 10mm to 40mm, the support body is a central axis symmetrical structure, the height of the imitation dental arch segment 2 varies, the highest point 21 where the square dental arch segment coincides with the central axis of symmetry is the highest point of the imitation dental arch segment 2, in some embodiments, the highest point 21 is also processed as the lowest point.

[0017] In some embodiments, the simulated dental arch segment 2 is configured to have a width (b) that gradually decreases in a direction away from the base 1 .

[0018] The use of the support body enhances the dimensional stability / integrity of the denture base, especially during the post-printing processing steps of artificial tooth bonding and secondary curing before removing the support body from the finished denture; the support body of the present application can be reused, and there is no need to arrange a work step for handling consumable removable supports on the production line.

[0019] The support material of the present application is glass. The glass material can be used as a support for the molding of the denture base during printing, such as in the DLP light-curing molding process equipment during exposure.

[0020] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A support body for an additively manufactured denture base, characterized in that: The support body includes a base and an artificial dental arch segment. The base is a tongue-shaped panel with a certain thickness. The artificial dental arch segment is arranged on the base. The artificial dental arch segment is a parabolic protrusion arranged on the edge side of the base. The width of the artificial dental arch segment decreases in the direction away from the base. The height of the artificial dental arch segment varies. The support body is an axisymmetric structure. The support body material is glass.

2. The support body of the additively manufactured denture base according to claim 1, characterized in that: The width of the simulated dental arch segment ranges from 3 mm to 25 mm.

3. The support body of the additively manufactured denture base according to claim 1, characterized in that: The height of the simulated dental arch segment ranges from 10 mm to 40 mm.

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