JP2019141566A - Method for using pole screw type metal core removing device - Google Patents

Abstract

To provide a method for easily removing a metal core in a short time, and to provide a device to be used for the same.SOLUTION: In a pole screw type metal core removal device, a metal core is removed through a step of opening a hole in the metal core, fitting a tapping cutting blade into the hole, providing a self tooth body base on the self tooth, and rotating a head of a cap nut in a direction of the self tooth body base so as to insert it into the metal core, and by advancing while rotating a tightening nut in a direction of the self tooth body base and further rotating it on the base so as to raise the metal core and a pole screw. Due to operation of pressing the self tooth body, operation is ended safely and rapidly without applying forcible force to a tooth root, and burdens on a patient and a doctor are reduced.SELECTED DRAWING: Figure 1

Description

Technology field

The present invention relates to an apparatus used for dental treatment, and more particularly to an apparatus used for extracting a metal core.

Background technology

In the treatment of a tooth that has been severely damaged, such as with a cavity, it may be necessary to remove it with the pulp. When such a treatment is performed, since the inside of the tooth becomes a cavity, a base member called a core is attached to a required location in order to cover a metal member called a crown for restoration. It will be. Metal cores have strength in the cores themselves, are inexpensive for health applications, and are frequently used.

However, even with teeth that have undergone such treatment, there are cases where damage such as apical periodontitis occurs in the lower part of the root due to aging, and the core for treatment needs to be removed. In such a case, conventionally, mechanical removal is performed using an instrument such as a turbine, a little giant, or a flat-blade screwdriver.

Patent Document 1 discloses a pair of main surfaces that are opposite to each other at both ends of one virtual plane that is connected to one end of the rod portion and includes the entire center line of the rod portion. A dental tool including a flat portion having a grip and a grip portion connected to the other end of the bar portion is disclosed, and it can be said that the metal core can be removed from the teeth by using this. However, the instruments and tools described above have room for improvement from the viewpoint of simplifying the method of use.

JP 2006-205625 A

In view of the above problems, an object of the present invention is to provide a method for removing a metal core in a short time and a device used therefor.

In order to solve the above-mentioned problems, the present invention has been made as a result of intensive studies on a metal core removing device having a novel structure that is not found in conventional devices and instruments.

The present invention is a combination of a pole screw assembly process, a slide screw, a tightening nut, and a cap nut. The cap nut is put on a normal screw, the pole screw is moved to the recess of the metal core, and the head of the bag nut is rotated. A step of inserting the metal core into the recess of the metal core, and a pole screw type metal core removing device for moving the fastening nut to the self-tooth body base and holding the self-tooth body to remove the metal core.

In the present invention, the pole screw tapping cutting blade is inserted into the hole provided in the metal core, the head of the cap nut of the assembly pole screw is rotated and the cutting blade is inserted, and the tightening nut is rotated in the direction of the self-body base to remove the metal core. How to use the device,

According to the present invention, after removing the crown, the pole screw in the pole screw assembly process is inserted into the metal core recess in the hole formed in the metal core, and the cap nut is rotated on the opposite side of the tip tapping cutting blade. , Join the metal core and the pole screw, install the self-tooth body pedestal on your teeth, rotate the tightening nut in the direction of the self-tooth body pedestal and further rotate around the pedestal, the pole screw and the metal core lifting teeth, How to use a pole screw type metal core removal device that can remove metal cores quickly and smoothly without applying excessive force to the roots.

  FIG. 1A is a plan view, FIG. 1B is a front view, and FIG. 1C is a side plan view.   The figure which showed the state which provided the internal thread in the metal core typically, FIG.2 (a) is the state before providing an internal thread, FIG.2 (b) is the state which provided the internal thread.

State for carrying out the invention

Next, embodiments of the present invention will be described with reference to specific drawings.

FIG. 1 is a view showing an example of a pole screw type merle core removing device according to the present invention. FIG. 1 (a) is a plan view, FIG. 1 (b) is a front view, and FIG. FIG. In the example shown in FIG. 1, the pole screw 1 is shown and held in a state in which two tapping cutting blades and three ordinary screws are combined at both ends, and four cap nuts are combined with a self-tooth base and a sliding washer. .

FIG. 2 is a diagram schematically showing a state in which the female screw is provided on the metal core. FIG. 2A shows a state before the female screw is provided, and FIG. 2B shows a state in which the female screw is provided. As shown here, in order to remove the metal core using the pole screw type metal core removing device of the present invention, the clan 8 is removed and a female screw 11 is provided at the position shown in the figure of the metal core using a drill.

Next, the tapping cutting blade 2 of the pole screw 1 is coupled to the female screw 11, the cap nut 4 is joined to the opposite normal screw 3, and the rotary screw is inserted into the recess of the metal core.

In the pole screw assembly, the pole screw is overlapped with the metal core recess, the bag nut is rotated and inserted, and the self-body base is installed on the pole screw and the tightening nut is rotated in the self-body base direction. Further rotation can be performed on the self-tooth base, and the safety of the work can be improved without damaging the self-tooth body.

As described above, according to the present invention, it is possible to provide a method of using the device as a device that facilitates the metal core removal operation in dental treatment. It should be noted that the present invention is not limited to the above-described embodiment, and does not depart from the gist of the present invention, including various modifications and corrections that can be conceived by those having ordinary wisdom in the field of the present invention. Of course, even if there is a design change in the range, it is included in the invention.

DESCRIPTION OF SYMBOLS 1 ... Pole screw 2 ... Tapping cutting blade 3 ... Normal screw 4 ... Cap nut 5 ... Tightening nut 6 ... Self-tooth body Base 7 ... Sliding washer 8 ... Clan 9 ... Metal core 10 ... Self-tooth body 11 ... Tapping cutting blade

Claims (2)

The pole screw mechanism is a pole type metal core removing device that is processed with a tapping cutting blade and a normal screw, and is composed of the above, a cap nut, a tightening nut sliding washer, and a self-supporting body base. Drilling a hole in the metal core, aligning the tapping cutting blade with the hole, setting the self-tooth body pedestal on your teeth, rotating the cap nut head toward the self-tooth base, and tightening the metal core When the nut is advanced while rotating in the direction of the dentist base and further rotated on the pedestal, the metal core and the pole screw are lifted, the metal core is removed, and it is a work that presses the self-tooth body, without applying force to the tooth root without difficulty. How to use the pole screw type metal core removal device, which can be safely and quickly completed.

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