JP4900629B1 - Upper and lower jaw related acquisition set - Google Patents

Abstract

An upper and lower jaw relationship including an occlusal state can be easily obtained without inserting an occlusal floor into an oral cavity and obtaining an occlusion.
An occlusal high-diameter measuring device constituting an upper and lower jaw related acquisition set includes: a main scale portion applied to a subject's nasal apex; and a subject's nose tip extending in a direction of 80 to 120 degrees from one end of the main scale portion. A subscale part applied to the base of the jaw, and a marking member for marking the top of the nose is mounted on the main scale part so as to be movable along the longitudinal direction of the main scale part. This is a device in which a concave portion for separating from the lips is formed in a portion corresponding to. The occlusal impression acquisition device that constitutes the upper and lower jaw related acquisition set is composed of a horseshoe-shaped jaw impression tray that can simultaneously apply impression material on the upper jaw side and the lower jaw side, and a midline so that it protrudes outside the oral cavity. A left grip and a right grip are provided separately.
[Selection] Figure 1

Description

  The present invention relates to an upper and lower jaw related acquisition set that can easily perform upper and lower jaw related acquisition, and an upper and lower jaw related acquisition method using the same.

  The procedure for creating a complete denture for a typical edentulous patient is to first obtain a rough impression using a ready-made impression-taking tray and then use it to create a personal tray. Acquire a precision functional impression using a tray. Using this precision functional impression, a working model is created, and a wax bank is formed on the working model to create an occlusal floor. Next, this occlusal floor is inserted into the oral cavity, and occlusal acquisition is performed. Information such as the occlusal height and occlusal plane obtained by occlusal acquisition is reflected on the occlusal floor attached to the articulator, and artificial teeth are arranged to produce a wax denture. This wax denture is tried and adjusted in the patient's mouth, and then removed from the mouth, the wax portion is replaced with a curable resin, and cured to produce a complete denture (Non-patent Document 1).

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  However, in the case of the technique of Non-Patent Document 1 using the occlusal floor, since there are no teeth to be engaged, and the oral state is different for each patient, it is possible to reproduce an appropriate occlusal state on the occlusal floor. Even a skilled dentist has a problem that it is very difficult.

  The present invention is to solve the above-described problems of the prior art, and enables easy acquisition of the upper and lower jaw relations including the occlusal state without inserting the occlusal floor into the oral cavity and obtaining the occlusion. For the purpose.

  The present inventors have found that the above-described object can be achieved by using an upper and lower jaw related acquisition set having a conventional occlusal high-diameter measuring device and an occlusal impression acquisition device, and complete the present invention. It came to.

That is, the present invention is an upper and lower jaw related acquisition set having an occlusal high-diameter measuring device and an occlusal impression acquisition device,
The occlusal high-diameter measuring device has a main scale portion applied to the subject's nasal apex and a sub-scale portion applied to the subject's chin bottom extending from one end of the main scale portion in the direction of 80 to 120 degrees. In addition, a marking member for marking the top of the nose is attached to the main scale portion so as to be movable along the longitudinal direction of the main scale portion, and a portion corresponding to the lip of the subject is separated from the lip. A device in which a recess is formed,
The occlusal impression acquisition device is a horseshoe-shaped jaw impression tray capable of simultaneously placing impression materials on the upper jaw side and the lower jaw side, and a left grip provided with a midline so as to protrude outside the oral cavity An upper and lower jaw related acquisition set characterized by being a device having an upper part and a right grip part.

Further, the present invention is a method for obtaining the upper and lower jaw relationship of a subject using an upper and lower jaw relationship acquisition set having an occlusal high-diameter measuring device and an occlusal impression acquisition device,
With the subscale part of the occlusal high-diameter measuring device applied to the subject's chin, while the main scale part is applied to the top of the nose, the subject's mouth is closed and the subject's upper and lower lips are lightly touched to take a resting position. , Marking the tip of the nose at the tip of the marking member;
After marking, the step of separating the occlusal high-diameter measuring device from the subject's face,
Placing impression materials on the upper and lower jaws of the jaw impression tray of the occlusal impression taking device and inserting them into the oral cavity of the subject;
With the jaw impression tray of the occlusal impression acquisition device inserted into the subject's mouth, the subscale portion of the occlusal high-diameter measuring device was again applied to the subject's chin, while the main scale portion was applied to the top of the nose. In this state, let the subject bite the chin impression tray so that the tip of the marking member of the main scale part overlaps the mark on the nose, and cure the impression material while maintaining the state, and the impression material is cured After that, a method for obtaining the upper and lower jaws having a step of taking out the jaw impression tray out of the oral cavity is provided.

  Furthermore, the present invention has a main scale portion applied to the subject's nasal apex, and a subscale portion applied to the subject's chin bottom extending from one end of the main scale member in the direction of 80 to 120 degrees, A marking member for marking the top of the nose is attached to the main scale portion so as to be movable along the longitudinal direction of the main scale portion, and a concave portion for separating from the lips is provided in a portion corresponding to the lip of the subject. An occlusal high-diameter measuring device that is formed is provided.

  In addition, the present invention provides a horseshoe-shaped jaw impression tray capable of simultaneously placing impression material on each of the upper jaw side and the lower jaw side, and a left grip portion provided with a midline so as to protrude outside the oral cavity. And an occlusal impression taking device having a right grip.

  In the upper and lower jaw related acquisition set and the upper and lower jaw related acquisition method of the present invention, a specific occlusal high diameter measurement device and an occlusal impression acquisition device are used. Here, the occlusal high-diameter measuring device has a scale that applies the bottom of the jaw to the nasal apex, so that the positional relationship between the upper jaw and the lower jaw is a horizontal plane in the horizontal plane, a front-rear direction, and a vertical plane perpendicular to the horizontal plane. It is possible to prevent deviation from an appropriate position in any one of the vertical directions. In the case of a conventional caliper measurement method (ie, a measurement method in which two points of the chin and the tip of the nose are simply measured with a caliper), the occurrence of such deviation is measured only by the distance between the two points. Because it is a target, it is difficult to prevent. In addition, the occlusal impression taking device can simultaneously put impression materials on the upper and lower jaw sides, so that the upper and lower jaw relations can be taken at a time. Moreover, the occlusal impression acquisition device is provided with a pair of gripping portions of the occlusal impression acquisition device sandwiching the midline, and the main scale of the occlusal high-diameter measuring device has a portion corresponding to the lip of the subject. Since the recess is formed, the occlusal impression taking device and the occlusal impression taking device can be used together without interfering with each other. Therefore, according to the upper and lower jaw relationship acquisition set and the upper and lower jaw relationship acquisition method of the present invention, it is possible to easily acquire the upper and lower jaw relationship including the occlusal relationship.

FIG. 1 is an explanatory diagram in which an occlusal high-diameter measuring device constituting the upper and lower jaw related acquisition set of the present invention is applied to a subject. FIG. 2A is a front view of an aspect of an occlusal high-diameter measuring device constituting the upper and lower jaw related acquisition set of the present invention. FIG. 2B is a side view of the occlusal high-diameter measuring device of FIG. 2A viewed from the direction of the arrow. FIG. 3 is a partially enlarged view of a joint portion of the main scale portion and the subscale portion of the occlusal high-diameter measuring device. FIG. 4A is a plan view of an occlusal impression acquisition device that constitutes the upper and lower jaw related acquisition set of the present invention. FIG. 4B is a plan view of the occlusal impression taking device that constitutes the upper and lower jaw related taking set of the present invention. FIG. 4C is a plan view of the occlusal impression taking device constituting the upper and lower jaw related taking set of the present invention. FIG. 4D is a plan view of an occlusal impression acquisition device that constitutes the upper and lower jaw related acquisition set of the present invention. FIG. 5A is a process explanatory diagram of the method for obtaining the upper and lower jaw relationships of the present invention. FIG. 5B is a process explanatory diagram of the upper and lower jaw relation obtaining method of the present invention following FIG. 5A. FIG. 5C is a process explanatory diagram of the method for obtaining the upper and lower jaw relations of the present invention subsequent to FIG. 5B. FIG. 5D is a process explanatory diagram of the method for obtaining the upper and lower jaw relations of the present invention subsequent to FIG. 5C. FIG. 5E is a process explanatory diagram of the upper and lower jaw relation obtaining method of the present invention following FIG. 5D. FIG. 5F is a process explanatory diagram of the upper and lower jaw relation obtaining method of the present invention following FIG. 5E.

  The upper and lower jaw related acquisition set of the present invention includes an occlusal high-diameter measuring device and an occlusal impression acquiring device. First, the occlusal high-diameter measuring device will be described with reference to the drawings.

  In FIG. 1, the side view at the time of applying the occlusal high diameter measuring device 100 which comprises the upper and lower jaw related acquisition set of this invention to a test subject (patient who needs a denture) is shown. As shown in FIG. 2A, the occlusal high-diameter measuring device 100 includes a main scale portion 10 applied to the subject's nasal apex, and the subject's chin bottom extending from one end of the main scale portion 10 in the direction of 80 to 120 degrees. And a sub-scale part 20 applied to each other. A marking member 30 for marking the top of the nose is attached to the main scale portion 10 so as to be movable along the longitudinal direction of the main scale portion 10, so that the portion corresponding to the lips of the subject is separated from the lips. The recess (A) 40 is formed.

  The main scale unit 10 and the sub scale 20 may be formed of separate members, or may be formed integrally as shown in FIG. 2A. Moreover, the angle which the main scale part 10 and the subscale part 20 comprise is 80-120 degree | times, Preferably it is 90-110 degree | times. If an appropriate angle is selected from this range, even if there is a difference in the shape, size, adipose tissue, and muscle tissue of the subject's upper and lower jawbones, the subject's jaw point is the intersection of the main scale portion 10 and the subscale portion 20. It can be applied in the vicinity without gaps, and the bottom of the jaw can be applied to the subscale portion 20 without any gaps.

  The concave portion (A) 40 formed in the main scale portion 10 is a space between the lip and the main scale portion 10 so that the main scale portion 10 and the jaw impression tray of the occlusal impression taking device described later do not interfere with each other. Formed to form. Moreover, you may form the recessed part (B) 50 between a recessed part (A) 40 and the subscale part 20 as needed so that a test subject's eyelid may enter. Moreover, you may provide the recessed part (C) 60 as needed in the subscale 20 so that a test subject's chin bottom may enter. Although not shown, the recess (A) 50 and the recess (C) 60 may be formed continuously.

  As the marking member 30, various writing tools such as oil-based pens, stamps, metal bars, and the like can be used. When a metal rod is used, it is preferable that a mark formed on the top of the nose formed by pressing with the metal rod is further marked with an oil pen.

  The mounting of the marking member 30 on the main scale portion 10 is not particularly limited, and various methods that can be mounted so as to be movable in the longitudinal direction of the main scale portion 10 can be employed. For example, it is possible to exemplify attaching one member of the surface fastener to the main scale portion 10 over a wide range and attaching the other member to the marking member 30. Moreover, as shown in FIG. 2B, the main scale portion 10 is provided with a plurality of through holes 70 parallel to the nasal apex direction (arrow direction in the drawing), and the marking member 30 is inserted into any of them so as to be able to be taken in and out. be able to.

  Further, when the main scale unit 10 and the sub scale unit 20 are configured as separate members, as shown in FIG. 3, the main scale unit 10 and the sub scale unit 20 may be fixed with bolts, screws 80, or the like. Good. In this case, if the screw 80 is loosened, the angle between the main scale unit 10 and the sub scale unit 20 can be adjusted.

  Next, the occlusal impression acquisition device which constitutes the upper and lower jaw related acquisition set of the present invention will be described.

  As shown in FIG. 4A, the occlusal impression taking device 200 sandwiches a horseshoe-shaped jaw impression tray 210 capable of simultaneously placing impression materials on the upper jaw side and the lower jaw side, and a midline 220 so as to protrude out of the oral cavity. Left grip part 230 and right grip part 240 which are provided separately. The reason why the chin impression tray 210 has a horseshoe shape is to prevent tongue interference.

  The chin impression tray 210 is preferably provided with a hole 211 to hold the impression material. The number of the holes 211 can be appropriately determined as necessary.

  The jaw impression tray 210 of FIG. 4A is for an edentulous jaw, but when applied to a locally-depleted jaw, for example, in the case of a left lower jaw back tooth defect, a jaw impression tray 215 as shown in FIG. 4B. It can be. In this case, the impression material is placed at the position of the left back tooth.

  The chin impression tray 210 in FIG. 4A is an example in which the left and right chin impression trays 210a are integrally formed on the left and right sides, but as shown in FIGS. 4C and 4D, the left unilateral chin impression tray 210a and the right unilateral chin impression tray 210b are temporomandibular joints. It is preferable to connect near the midline so that the width of the direction (arrow) is variable. The connection itself can be made, for example, by bolting.

  The upper and lower jaw related acquisition set of the present invention is composed of the occlusal high diameter measurement device and the occlusal impression acquisition device described above, and is used when performing the upper and lower jaw related acquisition method described below. This upper and lower jaw related acquisition method will be described with reference to the drawings.

  First, as shown in FIG. 5A, the subject's mouth is closed with the subscale portion 20 of the occlusal high-diameter measuring device 100 applied to the subject's base 1 and the main scale portion 10 applied to the top 2 of the nose. Then, the upper and lower lips 3 are lightly touched to take a resting position, and the nose apex 2 is marked with the tip 30a of the marking member 30.

  Next, after marking, as shown in FIG. 5B, the occlusal high-diameter measuring device 100 is pulled away from the face of the subject. A mark 4 is formed on the top of the nose 2.

  Next, as shown in FIG. 5C, impression materials 250 are placed on the upper and lower jaw sides of the chin impression tray 210 of the occlusal impression acquisition device 200, and the chin impression tray 210 is placed in the oral cavity of the subject as shown in FIG. 5D. Insert inside. As the impression material, a known material can be selected and used.

  Next, as shown in FIG. 5E, with the chin impression tray 210 inserted into the subject's oral cavity, the subscale portion 20 of the occlusal high-diameter measuring device 100 is again applied to the subject's chin base 1, while With the scale portion 10 applied to the nasal apex 2, the subject bites the chin impression tray 210 so that the tip 30 a of the marking member 30 of the main scale portion 10 overlaps the mark 4 of the nasal apex 2, and the state The impression material is cured while maintaining The impression material can be cured in the same manner as in the conventional example.

  Next, after the impression material is cured, the chin impression tray 210 is taken out of the oral cavity as shown in FIG. 5F. Thereby, the hardened | cured material 250a of the impression material 250 in which the upper and lower jaw related information containing occlusal high diameter information was recorded is obtained.

  After that, the jaw impression tray with the cured impression material attached is sandwiched between the upper jaw model and the lower jaw model, and the whole is fixed to the articulator, so that the upper jaw model and the lower jaw model are set at a position where they can be satisfactorily engaged. . Thereafter, according to a conventional method, a wax embankment in which the information related to the upper and lower jaws is reflected, the wax embankment is inserted into the oral cavity, the occlusion and the like are finely adjusted, and further artificial teeth are arranged to produce a wax denture. The wax denture is tried and adjusted in the oral cavity of the subject, then taken out from the oral cavity, the wax portion is replaced with a curable resin, and cured to produce a denture with good meshing.

  According to the upper and lower jaw relationship acquisition set and the upper and lower jaw relationship acquisition method of the present invention, the upper and lower jaw relationship including the occlusal relationship can be easily acquired. Therefore, it is useful for producing a total or partial denture.

DESCRIPTION OF SYMBOLS 1 Jaw floor 2 Nasal apex 3 Lips 4 Mark formed in the nose apex 10 Main scale part 20 Sub scale part 30 Marking member 30a Marking member tip 40 Recess (A)
50 Recess (B)
60 Concavity (C)
70 Through-hole 80 Screw 100 Occlusal high-diameter measuring device 200 Occlusal impression taking device 210, 215 Jaw impression tray 210a Left unilateral impression tray 210b Right unilateral impression tray 211 Hole 220 Midline 230 Left grip part 240 Right grip part 250 Impression Material 250a Hardened impression material

Claims (3)

An upper and lower jaw related acquisition set having an occlusal high-diameter measuring device and an occlusal impression acquisition device,
The occlusal high-diameter measuring device has a main scale portion applied to the subject's nasal apex and a sub-scale portion applied to the subject's chin bottom extending from one end of the main scale portion in the direction of 80 to 120 degrees. In addition, a marking member for marking the top of the nose is attached to the main scale portion so as to be movable along the longitudinal direction of the main scale portion, and a portion corresponding to the lip of the subject is separated from the lip. A device in which a recess is formed,
The main scale portion of the occlusal high-diameter measuring device has a plurality of penetrations parallel to the nasal apex direction so that a marking member for marking the nasal apex is movably mounted along the longitudinal direction of the main scale portion. A hole is provided, and a marking member is detachably inserted into any of the plurality of through holes,
The occlusal impression acquisition device is a horseshoe-shaped jaw impression tray capable of simultaneously placing impression materials on the upper jaw side and the lower jaw side, and a left grip provided with a midline so as to protrude outside the oral cavity And a right and left jaw-related acquisition set characterized by being a device having a right gripping part.   The jaw impression tray of the occlusal impression acquisition device has a left one-sided jaw impression tray and a right one-sided jaw impression tray, which are connected so that the width in the temporomandibular joint direction is variable. Item 1. Upper and lower jaw related acquisition set. A method for acquiring the subject's upper and lower jaw relationships using an upper and lower jaw relationship acquisition set having an occlusal high-diameter measuring device and an occlusal impression acquisition device,
With the subscale part of the occlusal high-diameter measuring device applied to the subject's chin, while the main scale part is applied to the top of the nose, the subject's mouth is closed and the subject's upper and lower lips are lightly touched to take a resting position. , Marking the tip of the nose at the tip of the marking member;
After marking, the step of separating the occlusal high-diameter measuring device from the subject's face,
Placing impression materials on the upper and lower jaws of the jaw impression tray of the occlusal impression taking device and inserting them into the oral cavity of the subject;
With the jaw impression tray of the occlusal impression acquisition device inserted into the subject's mouth, the subscale portion of the occlusal high-diameter measuring device was again applied to the subject's chin, while the main scale portion was applied to the top of the nose. In this state, let the subject bite the chin impression tray so that the tip of the marking member of the main scale part overlaps the mark on the nose, and cure the impression material while maintaining the state, and the impression material is cured Then, a method for obtaining the upper and lower jaws, including a step of taking out the chin impression tray out of the oral cavity.

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