JP4161154B2 - Double impression flask of metal denture model - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a flask for use in making a double impression of a plaster model of a metal denture in order to prepare a fireproof model necessary for the process of preparing the denture from a plaster model of a metal denture.
[0002]
[Prior art]
As shown in FIG. 4, a conventional double denture flask of a metal denture model is composed of a stabilizer (3-3), a flask frame (3) in which a stabilizer palate (3-1) and a stabilizer frame (3-2) are combined. -4) and the bottom of the flask (3-5), the stabilizer palate part (3-1) is an integral type, and slides up and down only as a whole with respect to the stabilizer frame (3-2). is there. The usage method is that a plaster model of a metal denture is placed on the bottom of the flask (3-5), a flask frame (3-4) is combined on it, and a stabilizer (3-3) is attached as much as possible. The impression material is poured from the side of the stabilizer (3-3) on the top, and the impression material is hardened. After the impression material is cured, the top and bottom are reversed, and the flask frame (3-4) and the flask bottom (3 -5) is removed and the plaster model is removed. Inject the investment material into the negative impression material and make a fireproof model.
[0003]
[Problems to be solved by the invention]
In the conventional double impression flask of the metal denture model, the stabilizer palate part slides up and down with respect to the stabilizer frame as a whole, but the thickness of the impression material is made uniform only by the up and down movement. There is a problem that it is not possible to take a precise impression, and it is difficult to produce an accurate fire model of a metal denture. In addition, since the stabilizer is down when the investment material is injected, there is a problem that the movement of the center portion of the stabilizer palate is limited when the investment material is injected. Furthermore, since the investment material can be expanded freely only in the upward (bottom of the model) direction after injection, there is a problem that the expansion of the model is large in the upward (bottom of the model) direction and the lateral expansion of the model is insufficient. there were.
[0004]
Whereas the present invention is stationary except that the stabilizer palate part of the conventional double impression flask of the metal denture model moves up and down with respect to the stabilizer frame as a whole, The thickness of the impression material can be adjusted up and down, front and back, left and right according to the patient's oral cavity, the adjustment pin is provided, and the movement of the center of the stabilizer palate at the time of implantation of the investment material is made free. It is possible to obtain uniform expansion of the fireproof model by covering the bottom surface of the fireproof model with the same quality and thickness of the impression material, and to improve the accuracy of the fireproof model.
[0005]
[Means for solving problems]
In order to achieve the above-mentioned object, the double-impression flask of the metal denture model of the present invention can be adjusted to be movable up and down and hold the inside of the stabilizer frame and the center portion of the stabilizer palate in an adjusted position. Engage with. Or, by providing a female screw at the top of the stabilizer frame and a male screw that fits the above screw at the center of the stabilizer palate, the stabilizer frame and the center of the stabilizer palate can be adjusted up and down. Engage so that it is held at the adjusted position, and furthermore, the center part of the stabilizer palate and the movable part that covers the center part of the stabilizer palate can be adjusted back and forth, and so that it can be held at the adjusted position. It is characterized by. Furthermore, a stabilizer palate center part, a movable part covering the stabilizer palate center part, and a detachable stabilizer palate part comprising a detachable left side part and a right side part on both sides of the movable part, respectively, up and down, front and rear, It is characterized in that it can be adjusted left and right and is engaged so as to be held at the adjusted position.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described based on examples with reference to the drawings.
FIG. 1 is a perspective view of a double impression flask of a metal denture model.
In FIG. 1, when a convex part (1a) is attached to the inside of the stabilizer frame (1) and the concave part (4a) is provided in the stabilizer palate center part (4) so as to engage with the convex part (1a), the concave part (4a) By adjusting the engagement, it can be adjusted up and down and can be held at the adjusted position. Furthermore, a groove (4b) is provided on the left and right side surfaces of the center portion of the stabilizer palate (4), and the rail (5a) provided on the inner side of the movable portion (5) covering the center portion of the stabilizer palate can be adjusted back and forth. When engaged, the forward / backward movement can also be adjusted and can be held at the adjusted position.
[0007]
Stabilizer palate center part (4), movable part covering the stabilizer palate center part (5), large right-adjustable side part (6), large left-adjustable side part (7), small right-adjustable side part (8 ), Divided into smaller left-adjustable side sections (9). The left and right outer sides of the movable part (5) that covers the center of the stabilizer palate are provided with recesses, and a large right-adjustable side part (6), or small, in the appropriate position according to the patient's palate. Engage the convex part of the right-adjustable side surface part (8) to the right toward the left, and face the convex part of the larger left-adjustable side part (7) or the smaller left-adjustable side part (9) to the left When engaged, the shape and width of the palate portion can be adjusted to the left and right and can be held at the adjusted position. Also, depending on the position of the front and rear of (7) (6) of the larger left and right adjustable side parts and (9) and (8) of the smaller left and right adjustable side parts, the shape and width of the palate part can be changed back and forth. It can be adjusted and held in an adjusted position. Furthermore, the depth of the palate portion can be adjusted by adjusting the upper and lower engagements, and can be held at the adjusted position.
[0008]
A plurality of freely adjustable adjustment pins (2) are engaged with the side end surface of the stabilizer frame (1). Since each engaging part has a movable adjustment function and can be held at an adjusted position, it can be adjusted according to the form of the remaining teeth and gums. Thereby, the thickness of the impression material can be made uniform, the uniform expansion of the fireproof model can be obtained, and the accuracy of the fireproof model can be increased. In addition, the accuracy of the clasp (spring for stopping the denture) can be increased, and the metal floor can be better fitted.
[0009]
Legs (3) are provided on the top of the stabilizer frame (1). Since the stabilizer (16) is lowered when the investment material is injected, the leg (3) is provided on the upper portion of the stabilizer frame (1) to adjust the center portion (4) of the stabilizer palate when the investment material is injected. Free range.
[0010]
FIG. 2 is a perspective view when the stabilizer frame and the center portion of the stabilizer palate are engaged with each other by screws.
FIG. 2 shows a stabilizer frame (2-1) and a center portion of the palate (12) by combining a female screw (12) provided on the top of the stabilizer and a stabilizer palate center portion (13) with a male screw (14). 13) is designed to engage. The vertical movement of the palate can be adjusted by tightening the screw. Moreover, it can be held at the adjusted position.
[0011]
FIG. 3 is a perspective view of the expansion adjusting device.
Figure 3 adjusts the expansion of the longitudinal and lateral investment materials when injecting the investment material into the negative mold taken with a double impression flask of a metal denture model to produce a fireproof model. The bottom (18) of the expansion control device large enough to contain the flask, and the same impression material as the one used for the double impression of the metal denture model inside, with the same thickness. An expansion adjustment device that can be adjusted with the adjustment screw (19) of the expansion adjustment device and held in the adjusted position in combination with the lid (17) of the expansion adjustment device provided with a scale indicating the thickness of the impression material It is provided.
[0012]
【The invention's effect】
The present invention was fixed except that the stabilizer palate part of the double impression flask of the conventional metal denture model moved up and down with respect to the stabilizer frame. By using the double impression flask of the metal floor denture model configured as described above, it is possible to arrange the teeth of 10 patients with 10 colors, especially the patients who need dentures, and the remaining teeth Since the divided stabilizer palate can be freely combined even in the position of the mouth, the size of the mouth and the shape of the palate, it can be adjusted according to the patient's oral cavity and more precise impression can be taken Become. In addition, by providing an expansion adjustment device, it becomes possible to adjust the expansion of the investment material when making the fireproof model, to obtain an even expansion of the fireproof model, and to further improve the accuracy of the fireproof model Can do.
[Brief description of the drawings]
FIG. 1 is a perspective view of a double impression flask of a metal denture model.
FIG. 2 is a perspective view of the case where the stabilizer frame and the center portion of the stabilizer palate are engaged with each other by screws.
FIG. 3 is a perspective view of the expansion adjusting device.
FIG. 4 is a perspective view of a conventional double impression flask of a metal denture model.
[Explanation of number]
DESCRIPTION OF SYMBOLS 1 Stabilizer frame 1a Convex part 2 Adjustment pin 3 Leg 4 Stabilizer palate center part 4a Concave part 4b Groove 5 Movable part 5a which covers the stabilizer palate center part Rail 6 Large right adjustment side part 7 Large left adjustment side part 8 Small Right adjustable side face 9 Small left adjustable side face 10 Flask frame 11 Flask bottom 2-1 Stabilizer frame 12 in FIG. 2 Female screw 13 Stabilizer palate center part 14 with male screw Male screws 15 4, 5, 6, 8 FIG. 16 Engaged Stabilizer 17 Expansion Control Device Cover 18 Expansion Control Device Bottom 19 Expansion Control Device Adjustment Screw 3-1 Conventional Stabilizer Cover 3-2 Conventional Stabilizer Frame 3-3 Conventional Stabilizer 3 -4 Conventional flask frame 3-5 Conventional flask bottom

Claims (6)

The inside of the stabilizer frame and the center part of the stabilizer palate can be adjusted up and down and engaged so as to hold it in the adjusted position.Furthermore, the stabilizer part and the movable part that covers the center part of the stabilizer A double impression flask of a metal denture model, which can be moved back and forth and is engaged so as to be held at an adjusted position. By providing a female screw at the top of the stabilizer frame and a male screw that fits the above screw at the center of the stabilizer palate, the stabilizer frame and the center of the stabilizer palate can be adjusted up and down and adjusted. It is engaged so that it is held at the position, and further, the center part of the stabilizer palate and the movable part that covers the center part of the stabilizer palate can be moved back and forth, and are engaged so as to be held at the adjusted position. A double impression flask with a metal denture model. The center part of the stabilizer palate, the movable part that covers the center part of the stabilizer palate, and the detachable stabilizer palate part that consists of the detachable left and right side parts are provided on both sides of the movable part. 3. The metal denture model according to claim 1, wherein the left side surface portion and the right side surface portion can be changed in size, and are engaged so as to be held in an adjusted position. Double impression flask. The plurality of adjustment pins are provided in a side end surface of the stabilizer frame so as to be able to protrude and retract, and the adjustment pins are engaged so as to be held at the adjusted positions. A double impression flask of a metal denture model. The double impression of the metal denture model according to any one of claims 1 to 4 , wherein a leg is provided on an upper portion of the stabilizer frame to freely move the center portion of the stabilizer palate at the time of injection of the investment material. Flask for use. In order to adjust the expansion of the longitudinal and lateral investment materials, when injecting the investment material, in order to make a fireproof model to the negative mold taken in the double impression flask of the metal denture model, The impression material of the same quality as the one used for the double impression of the metal denture model is the same thickness as the thickness between the metal denture model and the stabilizer. 2. An expansion adjustment device that can be adjusted by an adjustment screw of the expansion adjustment device and held at the adjusted position in combination with a lid of the expansion adjustment device provided with a scale indicating the thickness of the impression material. The flask for double impressions of the metal denture model of any one of -5.

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