Detachable tray for manufacturing full dentures of edentulous patient on basis of 3D printing

Abstract

The present invention relates to a detachable tray for manufacturing full dentures of an edentulous patient on the basis of 3D printing and, more particularly, to a detachable tray for manufacturing full dentures of an edentulous patient on the basis of 3D printing, the tray being manufactured by 3D printing after a primary impression, allowing a tray connection member to be detached therefrom after impressions of the upper gums and the lower gums are taken, such that excess impression material can be removed without damage to the taken impression, and allowing the tray on which the taken impression is formed to be fastened to an articulator so that a final vertical and horizontal occlusal relationship is determined through intermaxillary gap, pronunciation and countenance evaluations and the like, and thus full dentures suitable for the oral cavity of the patient can be manufactured.

Description

Detachable tray for fabricating complete dentures for edentulous patients using 3D printing

[0001] The present invention relates to a detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing, and more specifically, to a detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing, which is manufactured by 3D printing after a first impression is taken, and which determines the final vertical and horizontal occlusal relationship through intermaxillary space, pronunciation, facial evaluation, etc. using an articulator after taking impressions of the upper and lower gums, thereby manufacturing complete dentures that fit the patient's oral cavity.

[0002]

[0003] In general, there are various types of dental prosthetics, such as crowns, bridges, inlays, and dentures, that are installed to restore missing or partially decayed teeth in the oral cavity, depending on their function and purpose.

[0004] These dental prostheses are intended to restore the patient's oral environment anatomically and functionally, thereby enabling normal chewing movements.

[0005] Among these, dentures are divided into partial dentures applied when some teeth remain and complete dentures applied to edentulous jaws, depending on whether or not teeth remain.

[0006] In addition, since dentures are dental prosthetics applied to patients with a relatively large number of missing teeth, the manufacturing process is more complex than that of other dental prosthetics, and it is not easy to satisfy the patient with the final dentures.

[0007] In particular, unlike partial dentures, complete dentures function only with the help of the alveolar ridge, so they lack the retention power to prevent them from falling out of the mouth, the support power of the oral tissues to support the complete denture, and the stability to prevent the complete denture from shaking when chewing or speaking.

[0008] Looking at the process of making complete dentures, a preliminary impression taking process is first performed.

[0009] Afterwards, a precise tray is created using 3D printing and the impression is taken again.

[0010] Next, the impression-taking tray is connected to the articulator, and the final vertical and horizontal occlusal relationships are determined through evaluation of the intermaxillary space, pronunciation, and facial appearance.

[0011] At this time, the success of complete denture production depends on the accurate measurement of the center of gravity of the patient's upper and lower jaws. To achieve accurate measurement of the center of gravity, excess impression material must be removed without damaging the precisely taken impression.

[0012] However, in the case of conventional trays, the tray was manufactured as a single piece, so there was a problem that it was difficult to remove excess impression material.

[0013] In addition, there was a problem in that precise complete dentures could not be made if the impression was damaged while removing excess impression material.

[0014]

[0015] The present invention has been devised to solve such problems, and the purpose of the present invention is to provide a detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing, which can take impressions of the upper and lower gums by 3D printing after a first impression.

[0016] Another object of the present invention is to provide a detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing, which can determine the final vertical and horizontal occlusal relationship through intermaxillary space, pronunciation, facial evaluation, etc. after connecting the tray on which the upper and lower gum impressions are taken to an articulator.

[0017] Another object of the present invention is to provide a detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing, which can remove excess impression material by detaching tray connecting members at both ends of the tray body after taking impressions of the upper and lower gums.

[0018] The purposes of the present invention are not limited to those mentioned above, and other purposes not mentioned will be clearly understood by those skilled in the art from the description below.

[0019]

[0020] In order to achieve the above object, the present invention provides a detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing, which comprises a tray body manufactured in a shape that engages the upper and lower gums using 3D printing and is inserted into the oral cavity, a tray extension member detachably attached to both ends of the tray body so that the tray body can be extended, an impression material fixing part formed to protrude in the direction in which the tray body is inserted into the oral cavity and to which an impression material is applied, and a lip support part formed in the opposite direction in which the tray body is inserted into the oral cavity and to support the lips when the tray body is inserted into the oral cavity, and wherein the tray extension member is attached to the tray body to take an impression of the upper and lower gums, and then the tray extension member is detached to remove excess impression material applied to both ends of the impression-taken copy.

[0021] In a preferred embodiment, it is preferable that the lip support portion further includes a connecting portion that is extended and connected to the articulator.

[0022] In a preferred embodiment, the tray body is preferably manufactured using 3D printing after first impression acquisition.

[0023] In a preferred embodiment, the impression material fixing part protrudes in the direction in which the tray body is inserted into the oral cavity, but it is preferable that the protrusion protrudes so as to form a groove in the vertical direction.

[0024] In a preferred embodiment, the present invention further provides a method for manufacturing a complete denture using a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing.

[0025]

[0026] The present invention has the following excellent effects.

[0027] According to the detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing of the present invention, it is possible to precisely take impressions of the upper and lower gums by manufacturing them through 3D printing after the first impression.

[0028] According to the detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing of the present invention, the tray, on which the upper and lower gums have been precisely impression-taken, is connected to an articulator, and the final vertical and horizontal occlusal relationships are precisely determined through evaluation of intermaxillary space, pronunciation, and facial appearance, thereby having the advantage of being able to manufacture complete dentures that fit the patient's oral cavity.

[0029] According to the present invention, a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing is provided, which can remove excess impression material after impressions of the upper and lower gums without damaging the impression body.

[0030]

[0031] FIG. 1 is a drawing for explaining a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing according to one embodiment of the present invention.

[0032] FIG. 2 is a drawing for explaining a tray extension member of a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing according to one embodiment of the present invention.

[0033] FIG. 3 is a drawing for explaining an impression material applied to a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing according to one embodiment of the present invention.

[0034] FIG. 4 is a drawing for explaining the appearance of a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing according to one embodiment of the present invention, after taking a life sample and connecting it to an articulator.

[0035] FIG. 5 is a step diagram illustrating a method for manufacturing a complete denture using a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing according to one embodiment of the present invention.

[0036]

[0037] 100: Tray 110: Tray body

[0038] 120: Tray extension member 130: Impression material fixing member

[0039] 140: Gum support 150: Connection

[0040]

[0041] The terms used in the present invention are selected from the most widely used general terms as much as possible, but in certain cases, there are terms arbitrarily selected by the applicant. In such cases, the meaning of the terms should be understood by considering the meaning described or used in the detailed description of the invention, rather than the simple name of the term.

[0042] Hereinafter, the technical configuration of the present invention will be described in detail with reference to preferred embodiments illustrated in the attached drawings.

[0043] However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Like reference numbers designate like elements throughout the specification.

[0044]

[0045] FIG. 1 is a drawing for explaining a detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing according to one embodiment of the present invention, and FIG. 2 is a drawing for explaining a tray extension member of a detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing according to one embodiment of the present invention.

[0046] Referring to FIG. 1 or FIG. 2, a detachable tray for manufacturing a total of edentulous patients using 3D printing according to one embodiment of the present invention is a tray (100) capable of precisely taking an impression of a patient's oral cavity after applying an impression material to a tray manufactured using 3D printing after a first impression, and comprises a tray body (110), a tray extension member (120), an impression material fixing member (130), and a lip support member (140).

[0047] The above tray body (110) is manufactured using 3D printing in a shape that covers the front of the upper and lower gums, and is inserted into the oral cavity.

[0048] Here, the tray body is manufactured to fit the specifications of the patient's oral cavity using 3D printing after the first impression is taken.

[0049] The above tray extension member (120) is attached and detached to both ends of the tray body (110) so that both ends of the tray body (110) are extended.

[0050] Here, the tray extension member (120) extends both ends of the tray body (110) to engage with the patient's upper and lower gums, and after the impression material is applied to the tray body (110) and the tray extension member (120), the tray extension member (120) is detached to easily remove excess impression material.

[0051] FIG. 3 is a drawing for explaining an impression material applied to a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing according to one embodiment of the present invention.

[0052] Referring to Fig. 3, the impression material fixing part (130) is formed to protrude in the direction in which the tray body (110) is inserted into the oral cavity, and the impression material (a) is applied.

[0053] That is, the impression material (a) is applied to the impression material fixing portion (130) and inserted into the oral cavity to take an impression of the upper gum and the lower gum.

[0054] Here, the impression material fixing part (130) protrudes in the direction in which the tray body (110) is inserted into the oral cavity, but it is preferable that the protrusion protrudes so as to form a groove in the vertical direction.

[0055] This is to prevent the impression material (a) from falling off from the tray body (110) after it has been applied, inserted into the oral cavity, and hardened.

[0056] The above lip support (140) is formed in the opposite direction to which the tray body (110) is inserted into the oral cavity, and supports the lips when the tray body (110) is inserted into the oral cavity.

[0057] More specifically, after taking an impression of the upper gum and the lower gum while attaching the tray extension member (120) to the tray body (110), the tray extension member (120) is detached to remove the excess impression material applied to both ends of the impression-taken bone.

[0058] FIG. 4 is a drawing for explaining the appearance of an articulator connected after taking an impression with a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing according to one embodiment of the present invention.

[0059] Referring to Fig. 4, a tray that has taken an impression of the oral cavity is connected to an articulator, and the final vertical and horizontal occlusal relationship is determined through evaluation of intermaxillary space, pronunciation, and facial appearance. At this time, excess impression material must be removed without damaging the impression-taken copy, so that the vertical and horizontal occlusal relationship can be precisely determined by connecting it to the articulator.

[0060] In addition, the tray (100) may further be provided with a connecting portion that is extended to the lip support portion (140) and is connected to the articulator.

[0061] FIG. 5 is a step diagram illustrating a method for manufacturing a complete denture using a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing according to one embodiment of the present invention.

[0062] Referring to FIG. 5, a method for manufacturing a complete denture using a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing according to one embodiment of the present invention first takes an impression of the upper gum and the lower gum while attaching the tray extension member (120) to the tray main body (110) (S100).

[0063] Next, the tray extension member (120) is detached to remove the excess impression material applied to both ends of the impression-taking sample (S200).

[0064] At this time, by detaching the tray extension member (120), excess impression material can be removed without damaging the impression-taken sample.

[0065] Next, the tray body (110) from which the above-mentioned excess impression material has been removed is fastened to the articulator, and then the vertical dimension of the impression-taken sample is set to fit the patient's face shape (S300).

[0066] At this time, the tray body (110) can be connected to the lip support (140) by a connecting part (150) extended thereto.

[0067] Next, a space for artificial teeth to be placed is set on the impression taken above, and a complete denture that fits the patient's mouth is manufactured (S400).

[0068]

[0069] As described above, according to the detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing according to the present invention, after the first impression is taken, the upper and lower gums can be precisely impression-taken by manufacturing them through 3D printing, and the tray extension members attached to both ends of the tray body can be detached to remove excess impression material at both ends of the tray body without damaging the impression-taken copy, and after the tray on which the precisely impression-taken copy is formed is attached to the articulator, the final vertical and horizontal occlusal relationships are precisely determined through intermaxillary gap, pronunciation, facial evaluation, etc., thereby having the advantage of being able to manufacture complete dentures that fit the patient's oral cavity.

[0070] As described above, the present invention has been illustrated and described with reference to preferred embodiments, but is not limited to the above embodiments, and various changes and modifications may be made by a person skilled in the art to which the invention pertains within a scope that does not depart from the spirit of the present invention.

[0071]

[0072] The present invention can take impressions of a patient's upper and lower gums without damaging the impression using a tray, and can be used to produce dentures for edentulous and partially edentulous patients.

Claims

1. The tray body is manufactured using 3D printing in a shape that fits the upper and lower gums and is inserted into the oral cavity; A tray extension member detachably attached to both ends of the tray body so that the tray body can be extended; An impression material fixing portion in which the tray body protrudes in the direction in which it is inserted into the oral cavity and to which an impression material is applied; and The tray body is formed in the opposite direction to be inserted into the oral cavity, and includes a lip support portion that supports the lips when the tray body is inserted into the oral cavity. A detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing, characterized in that the tray extension member is attached to the tray body, an impression is taken of the upper gum and the lower gum, and then the tray extension member is detached to remove excess impression material applied to both ends of the impression-taken bone.

2. In paragraph 1, A detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing, characterized in that it further comprises a connecting portion that is extended to the lip support portion and is connected to an articulator.

3. In paragraph 1, A detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing, characterized in that the above tray body is manufactured using 3D printing after first impression taking.

4. In paragraph 1, A detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing, characterized in that the impression material fixing part protrudes in the direction in which the tray body is inserted into the oral cavity, and protrudes so as to form a groove in the vertical direction.

5. A method for manufacturing a complete denture using a detachable tray for manufacturing a complete denture for an edentulous patient based on 3D printing according to any one of clauses 1 to 4, A step of taking an impression of the upper gum and the lower gum while attaching the tray extension member to the tray body; A step of removing the tray extension member and removing the excess impression material applied to both ends of the impression-taking sample; A step of attaching the connecting part of the tray from which the above-mentioned excess impression material has been removed to the articulator and then setting the vertical dimension so that the impression-taken sample matches the patient's face shape; and A method for manufacturing complete dentures using a detachable tray for manufacturing complete dentures for edentulous patients based on 3D printing, including a step of setting an arrangement space for artificial teeth to be inserted into the impression-taken sample.

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