KR20230055866A - Digital guide drill for implant procedures with enhanced performance efficiency - Google Patents

Abstract

The present invention relates to a digital guide drill for implant surgery, and to a digital guide drill for implant surgery, which is to form a hole for implant placement inside the alveolar bone, wherein a shank unit, a stopper unit, a side cutting unit, and a front end unit are sequentially arranged based on a rotary shaft. The shank unit has a structure which is mounted on a general implant surgery engine. The stopper unit is a safety device to prevent excessive drilling. The side cutting unit has two discharge grooves and teeth formed in a spiral shape in a rotation direction to increase cutting efficiency. The front end unit has the shape of a general twist drill and has an angle of 20-50 degrees to serve as a guide drill.

Description

Digital guide drill for implant procedures with enhanced performance efficiency}

The present invention relates to a drill for implantation for inserting an implant fixture, and relates to a drill for implantation that can easily form a hole at a desired position for treatment.

For 30 years, dental implants have been commonly used in a safe manner to partially or completely replace a patient's teeth. There are various types of implants, ranging from partial tooth attachment to complete dentures, and various surgical methods and tools have been developed.

However, dental implants have various complications. When the temperature rises excessively during drilling, if the bone is exposed to high temperature, the bone is damaged and necrosis occurs. The threshold for osteonecrosis was between 47 and 55 °C, and surgical procedures often carry the risk of overheating.

Dental implant refers to the implantation of an artificial tooth to a missing tooth. Using titanium, a material harmless to the human body, to replace a lost tooth, a hole is formed in the bone so that a fixture can be planted in the area of the missing tooth, and the fixture is coupled to the formed hole. It is completed by assembling the final prosthesis after confirming the bonding force between the combined fixture and the bone, combining the abutment immediately or over a period of time.

In implant placement, it is important to use a drill to secure space for implantation in the bone. The drill used at this time is a guide drill that marks the initial drilling position and forms a hole, and a hole with an appropriate depth centered on the formed groove. It is divided into an initial drill that drills holes and a twist drill that is used to form grooves of appropriate width.

When using a twist drill with a small diameter from the beginning, the angle at the tip is not sharp, making it difficult to form a hole in a desired location. Therefore, generally, after forming a groove through a guide drill, it is common to widen the hole one by one. Depending on the shape of the alveolar bone, discomfort may be caused in the drilling process, and problems of cost and time are occurring due to an increase in procedure time.

In order to achieve the above object in the placement of dental implants for fixing artificial teeth, the present invention enables the functions of a general guide drill and a twist drill to be performed with one drill, thereby increasing the cutting efficiency at the time of placement. The purpose is to shorten the time. In placing artificial teeth through enhanced cutting efficiency, the heat generation rate is minimized to minimize damage around the implantation area and to enable safe procedures, resulting in quick recovery for patients and reducing fatigue for doctors due to shortened operation time. There is a purpose.

Hereinafter, an experimental method according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First of all, explaining the reason for the experimental material used in the present invention, it is a material commonly used in tooth-related papers or drilling test experiments, and has a skeleton and hardness similar to that of alveolar bone of teeth. was selected and the experiment was conducted.

(Example 1)

Production of test specimens

The ribs of the cow used in this experiment were cut to about 5 cm after removing the muscle and fascia, and processed flat using a file so that the floor could be fixed, and the area to be tested was sandpaper (#400, #800, # 1000, #1200), etc., and polished the specimens for secondary processing.

In this way, a test piece as shown in FIG. 1 was produced, and the produced test piece was processed at the area where the temperature sensor was to be mounted, and then 4 to 6 test points were placed on each of the four test pieces to prepare the test piece.

(Example 2)

Temperature change time test during cutting

In order to evaluate the temperature rise and performance efficiency of the general guide drill and the Lindman drill, a temperature measuring device was installed at the temperature measuring part and a test was conducted by configuring four drills as shown in FIG. 2, including a start drill. A dental handpiece was used, saline at room temperature was sprayed, and the time and temperature after each drill was used were measured.

As shown in FIG. 3, the measured temperature result value showed a high temperature change in the combination using the guide drill, but it was confirmed that it did not rise to the critical temperature range of osteonecrosis.

As for the time value of the measured drill, as shown in FIG. 4, it was confirmed that the combination using the guide drill took a short time, and the proportion of time of the Lindman drill reached 53.40 to 77.70 percent in the combination using the Lindman drill. It became.

(Example 3)

Cutting efficiency calculation

In order to calculate the amount of cutting per unit time, the drawing of the drill was rotated and modeled as shown in FIG. 4 to measure the volume. Cutting efficiency was calculated by dividing the measured volume by time, and the calculated cutting efficiency was shown in FIG. 5.

Performance efficiency was shown in the order of combination using guide drill, combination using Lindman drill, and Lindman drill.

The implant drill of the present invention has the advantages of existing guide drills and twist drills, shortens the time to form a hole, shortens the treatment time by reducing heat generation, and reduces heat damage to bones and surrounding tissues. It has the advantage of shortening the patient's recovery period and shortening the procedure time by blocking it.

1 is a conceptual view of a test specimen.
Figure 2 is a front view of the drill set in which the experiment was conducted.
3 is a temperature change chart for each drill set
4 is a time chart for each drill set
5 is a modeling drawing when the drill is rotated.
6 is a performance efficiency chart for each drill set
7 is a view of a digital guide drill for implant treatment of the present invention
Figure 8 is a front view of Figure 7
Figure 9 is a three-dimensional shape of Figure 7

(Improvement)

With reference to the above embodiment, in order to achieve the object, the drill of the present invention configures the shape of the tip with a sharp angle to add a marking function to a general twist drill, and the shape of the tip to increase cutting efficiency By configuring the cutting edge like a twist drill, it is characterized in that it enables cutting and marking functions to be performed together.

The corner angle of the tip portion forms an angle between 20 and 50 °, and the shape of the tip portion has a shape of a twist drill.

In addition, the handle has a structure connected to a general dental rotating mechanism.

In addition, the side cutting portion includes a smooth groove that allows the bone tissue in the alveolar bone to be discharged to the outside, and parts other than the groove include a plurality of teeth for crushing the bone tissue.

The helix of the teeth is applied obliquely in the same rotational direction as the drill, thereby increasing the efficiency of cutting.

A stopper portion having an outer diameter larger than that of the side cutting portion is present between the shaft portion and the cutting portion.

100...Digital Guided Drill for Implant Procedures
110... handle part
120 ... stopper part
130 ... side cut
140 ... distal end
200...guided drill combinations
210 ... guide drill
220 ... initial drill
230, 240...twist drill
300...Lindman Drill Combination
310 ... Lindman Drill

Claims (5)

In the surgical drill for forming a hole in the alveolar bone for implant placement,
The handle part, stopper part, side cutting part, and tip part are sequentially present along the rotation axis,
The handle portion has a structure coupled to a dental rotator, The stopper portion has a larger outer diameter and a smooth shape than the side cutting portion, The side cutting portion includes teeth and includes a smooth groove for discharging the crushed bone tissue And, the digital guide drill for implantation, characterized in that the distal end has a twist shape. The digital guide drill for implantation according to claim 1, wherein the edge angle of the distal end is 20 to 50°. The digital guide drill for implant surgery according to claim 1, wherein there are two grooves capable of discharging the crushed bone tissue. According to claim 1,
The teeth of the side cutting part have a shape connected from the tip to the stopper by extending the discharge groove, and the direction of the teeth has a shape entering in the same direction as the rotational direction to increase cutting efficiency, and the vertical distance from each vertex to the valley is 0.5 Digital guide drill for implant procedure, characterized in that it is less than mm. According to claim 1,
A digital guide drill for implant surgery with a stopper to prevent mistakes in the procedure and a body to use as a digital drill.

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