KR20040017533A - Improvement toothbrush - Google Patents

Abstract

PURPOSE: A toothbrush with an improved structure is provided to improve brushing effects of a toothbrush and thus, to help a user to more effectively remove the tartar from the teeth of every area inside the user's mouth. CONSTITUTION: The toothbrush with an improved structure has a handle(10) made of plastic materials for a user to hold more easily; a head(30) of the toothbrush connected to the handle(10); and a hair group (50) formed on the top surface of the head(30). To maximize the brushing effect and flexibility, an extra space(55) exists at the center of the hair group(50), and the hairs have circular shaped hairs(52), square shaped hairs(53), and radial shaped hairs(54). Also, the hairs are formed in a radial direction from the center, each being at right angles to the head.

Description

Improved Toothbrush {Improvement toothbrush}

The present invention relates to an improved toothbrush, and more particularly, to an improved toothbrush in which a plurality of oval, circular, and square hair bundles and radial hair bundle groups are planted to maximize the plaque removal effect.

In general, effective plaque removal is of paramount importance to maintain healthy teeth. For effective plaque removal, brush heads reach all areas such as teeth, molar teeth and between teeth and teeth (interdental areas), and brush teeth effectively, and also brush teeth or molar teeth and teeth and teeth between teeth (hereinafter ' When brushing teeth on the interdental part, the bristles should be applied differently to remove plaque most efficiently.

However, since most of the conventional toothbrushes have a circular bristle cross section of the toothbrush head part, there is an unreasonable point that the same cleaning effect is exhibited with respect to each tooth part, so that the above-mentioned effective brushing is not possible.

In order to overcome this problem, toothbrushes have been developed to make the bristle shape at the tip of the toothbrush bristles at an angle inclined toward the tip of the toothbrush bristles or to effectively molar teeth.

However, these toothbrushes are effective at brushing the rear of the molar but not effective at brushing the teeth. In addition, the head tips of these toothbrushes are not as durable as conventional flat bristle shapes, so they are easily opened and used. It has a drawback that can't be counted. In addition, in addition to the toothbrushes mentioned above, toothbrushes that have made the bristle shape V-shaped or irregularities likewise have an effective plaque removal function by properly acting on all teeth as mentioned above when the user brushing teeth. It is unreasonable in terms of maintaining healthy teeth by brushing teeth.

The present invention has been conceived to improve the above problems, toothbrush can reach to all areas such as tooth surface, molar teeth, interdental parts, etc., can be brushed effectively, the contact area to these cleaning parts is equally acted An object of the present invention is to provide an improved toothbrush in which a plurality of oval, circular, and square hair bundles and a radial hair bundle group are planted so that the plaque can be removed most efficiently.

1 is a perspective view showing an improved toothbrush according to a preferred embodiment of the present invention.

2 is a plan view of FIG.

3 is a side configuration diagram of FIG. 1.

<Explanation of symbols for the main parts of the drawings>

10 ... Handle 30 ... Toothbrush Head

50 ... the mother-in-law 51 ... the oval bundle

52 ... round hairs 53 ... square hairs

54 ... Radial modality 55 ... Clearance

The present invention for achieving the above object, the user grip portion of a predetermined length made of a plastic material to facilitate gripping; Toothbrush head portion having a predetermined thickness and width integrally formed with the handle portion; And a plurality of teeth formed on the upper surface of the toothbrush head, each disposed radially orthogonally to a predetermined center point so as to be able to act as a wide and uniform contact area on the cleaning portion between the tooth and the interdental portion, the tooth surface and the molar tooth. It is provided with a hair transplanting group with a group of hair bundles.

In the improved toothbrush according to the present invention, it is preferable that the bristle bundle group has a free space formed at its center point to act as a wide contact area with respect to the tooth surface and at the same time have flexibility.

In the improved toothbrush according to the present invention, the hair transplanting portion has a height difference in the range of 1.0mm to 3.0mm so as not to interfere with each other of the circular and square shape fixed in a plurality of alternating longitudinal and transverse directions with respect to the upper surface of the toothbrush head Each bundle is provided.

In the improved toothbrush according to the present invention, the tuft part has an area of 1.5 to 4 times or more than other hair tufts so as to overcome a predetermined brushing pressure against the molar and has an elliptical hair tuft fixed to the tip of the toothbrush head part. do.

Therefore, the present invention has a structure in which a plurality of oval, circular, and square hair bundles and radial hair bundle groups are planted on the upper surface of the toothbrush head, so that the overall satisfaction and durability for molar plaque reduction effect, tooth surface plaque reduction, and cleaning feeling are improved. Since an elliptical hair bundle is formed at the top end of the toothbrush head, it is possible not only to show the proper tooth pressure for molar cleaning, but also to prevent bristles from being easily opened, and each hair bundle has a predetermined height difference. Since brushing does not interfere with adjacent bristles when brushing teeth, it can not only improve the elasticity of the bristles, but also facilitate the prag of these cleaning parts when cleaning the interdental portion, the tooth surface and the molar teeth by the interaction of the hair bundles having different heights. Not only easy to remove, but also wide contact with tooth surface by radial cluster group Have a more effective tooth cleaning action, because, since the radial Moda is the free space formed in the central portion of the ballistic has its features to the point of keeping the strength of the brush head gently.

Hereinafter, with reference to the accompanying drawings an improved toothbrush according to a preferred embodiment of the present invention will be described in detail.

1 is a perspective view showing an improved toothbrush according to a preferred embodiment of the present invention, Figure 2 is a plan view of FIG.

1 and 2, the improved toothbrush 100 according to the embodiment of the present invention can be brushed to reach the bristles to all areas such as the tooth surface, molar teeth, interdental portion, etc. can be effectively brushed, for these cleaning parts The group of oval, circular, square bundles and radial bundles has a large number of planted structures so that the contact area can be uniformly applied to remove the plaque most efficiently.

The toothbrush 100 for this purpose, the handle portion 10 of a predetermined length made of a plastic material to facilitate gripping, the toothbrush head portion 30 formed integrally with the handle portion 10 having a predetermined thickness and width, The elliptical, round, square hair bundles 51-53 and the radial hair bundle group 54 are provided with the hair transplantation part 50 planted on the upper surface of the toothbrush head part 30.

The handle part 10 is made of a general plastic material such as PP (polypropylene), PETG (polyethylene terephthalate), AS (acrylonitrile styrene), CP (cellulose propionate) or ABS (acrylonitrile butadiene styrene) And the like, and a non-slip protrusion (not shown) may be formed to allow a user to easily grip.

The toothbrush head portion 30 is formed integrally with the handle portion 10, and is made of the same material as the material of the handle portion 10.

The tuft part 50 is made of bristles of ordinary nylon or PBT material, which is a synthetic resin material, and can act as a wide and uniform contact area to these cleaning parts when cleaning the interdental portion, the tooth surface and the molar teeth between the teeth. A plurality of hair bundles are fixed to the upper surface of the toothbrush head 30 so as to.

In detail, the tuft part 50 may have an elliptical hair bundle 51 in which a plurality of bristles are oval-shaped at the distal end of the toothbrush head part 30 and a predetermined area in the remaining area except the distal end of the toothbrush head part 30. A circular hair bundle 52, a square hair bundle 53, and a radial hair bundle group 54 fixed in a plurality of alternating longitudinal and transverse directions with height differences are provided.

The elliptical hair bundle 51 is preferably distributed about 1.5 to 4 times wider than the circular hair bundle 52, the square hair bundle 53, and the radial hair bundle group 54. For this reason, not only can an appropriate tooth pressure be applied to the cleaning part at the time of molar cleaning, but also the durability of bristles is further improved by improving that the hair | bristle bundle of the uppermost end easily spreads like conventionally.

As shown in FIG. 3, the circular hairs 52, the square hairs 53, and the radial hair bundle group 54 are bristled with bristles alternately along the longitudinal and transverse directions, and their height difference is It is preferable to have a range of approximately 1.0 mm to 3.0 mm. As such, the reason for the predetermined height difference for each hair bundle can not only improve the elasticity of the bristles that can be irrationally acted upon by the adjacent bristles when brushing teeth, but also by the interaction of hairs having different heights. This is because the plaque formed in these cleaning portions can be easily removed in the interdental portion, the tooth surface and the molar cleaning.

As shown in Figure 1 and 2, the radial bundle group 54 is that each of the bundle is radially orthogonally arranged with respect to a predetermined center point, the clearance 55 is formed in the center point, the radial It is possible to clean the tooth surface with a wide contact area by the bristles, and the strength of the bristles can be smoothly maintained by the free space 55.

The manufacturing method and use example of the improved toothbrush according to the preferred embodiment of the present invention configured as described above are as follows.

First, a handle using a general plastic material such as PP (polypropylene), PETG (polyethylene terephthalate), AS (acrylonitrile styrene), CP (cellulose propionate) or ABS (acronitrile butadiene styrene) The part 10 and the toothbrush head part 30 are integrally formed by the injection molding method.

Finally, the elliptical hair bundle 51 is fixed to the uppermost end of the toothbrush head 30, and then the circular hair bundle 52 and the square have a predetermined height difference in the remaining area except for the tip end of the toothbrush head 30. The hair bundle 53 and the radial hair bundle group 54 are fixed in a plurality of alternating directions in the longitudinal and transverse directions.

In the case of using the toothbrush 100 manufactured as described above, the plaque removal effect of the molars and the durability of the bristles can be further improved by the elliptical hair bundle 51 implanted into the tip end of the toothbrush head 30. Elastic tooth brushing is possible by the interaction of the circular hairs 52, the square hairs 53, and the radial hairs group 54 having the height difference, and when the interdental, the tooth surface and the molar are cleaned, The formed plaque can be easily removed, the tooth surface can be cleaned as a large contact area by the radial hair bundle group 54, and the strength of the bristles can be softened by the free space 55 of the radial hair bundle group 54. have.

The toothbrush 100 of the present invention mentioned above has a slight difference in durability and plaque removal effect depending on the mutual relationship of the area, height, number, and shape of each of the hair bundles implanted in the toothbrush head portion 30. It may be.

Hereinafter, the present invention will be described in detail with reference to Examples and Comparative Examples. However, embodiments according to the present invention can be modified in many different forms, the scope of the invention should not be construed as limited to the following examples. Embodiments of the present invention are provided to more fully describe the present invention to those skilled in the art.

<Example>

An experiment was conducted using the toothbrush of the present invention in which a plurality of oval, circular, and square hair bundles and a radial hair bundle group were implanted on the upper surface of the toothbrush head.

Comparative Example

Experiments were carried out using a conventional toothbrush in which a number of hair bundles were planted in a circular form.

Experimental Example 1: Evaluation of Preference for Consumer Usability

Evaluation of the usability of the toothbrush used in the Examples and Comparative Examples was evaluated by the following evaluation method.

Toothbrushes manufactured according to the Experimental Example and Comparative Example were used for a certain period of time (30 days) for a list of 35 panelists, and then the average value of the preference for the usability was measured using a five-point comparison method through a comparative panel test. The results are shown in Table 1.

division Example Comparative example Molar plaque reduction 4.2 3.3 Tooth plaque reduction effect 3.9 3.4 Cleaning feeling after brushing 4.1 3.4 Gum massage effect 3.8 3.5 Overall satisfaction 4.0 3.4

(Evaluation criteria: 5 / very good, 4 / good, 3 / normal, 2 / poor, 1 / very poor)

As shown in the results of Table 1, in the case of Examples, the molar plaque reduction effect, the tooth plaque reduction effect, and the cleaning feeling were much better than the comparative example.

Experimental Example 2: Comparative evaluation of the bristles of the bristles

Evaluation of the flaking of the toothbrush according to the above Examples and Comparative Examples was evaluated by the following method. Examples and Comparative Examples After measuring the width of the initial bristles for each hair part with a Profile Projector, the human tooth was set with an experimental toothbrush mounted on an automatic tooth brush designed to apply a load of 500 g. Place the test toothbrush on a stainless steel plate shaped like a shape, put a toothpaste slurry solution containing a 2: 1 mixture of toothpaste and water, and perform 5000 automatic reciprocating movements. Friction. After the reciprocating toothbrush was washed with water and dried, the width of the bristles caused by the reciprocating motion was measured by using an actual magnification measuring device, and the bristle bridging (%) was compared and evaluated according to the following equation (1). Is shown in Table 2.

division Example Comparative example Voiding (%) 5.7 ± 0.3 11.8 ± 0.5

Here, the value of bristle bridging (%) is that the smaller the value, the less the bristles.

As shown in Table 2, the toothbrushing of the toothbrush according to the present invention was found to be smaller than the toothbrushing of the toothbrush prepared as a comparative example at a value of about 5.7%.

Experimental Example 3: Comparative evaluation test for the plaque removal effect

When brushing by using a toothbrush prepared in the above Examples and Comparative Examples, the effect of reducing the Plaque Index (Plaque Index) of the tooth surface was evaluated by the following method.

Thirty clinical subjects were selected, and each of 15 toothbrushes prepared in Examples and Comparative Examples was used for a certain period (30 days), and then 14 days after 0 days and 30 days later, the plaque index ((Plaque Index) reduction rate (%) was measured and the results are shown in Table 3.

division Reduction Rate (%) Example Comparative example 14 days later 4.1 ± 0.2 2.3 ± 0.1 30 days later 8.5 ± 0.3 4.7 ± 0.2

As shown in Table 3, the toothbrushes of the comparative example showed a decrease of 2.3% and 4.7% in the Prag Index after 14 days and 30 days of use, while the toothbrushes prepared in Examples of the present invention were 4.1% and 8.5%. It was found that the removal effect was better.

As described above, the improved toothbrush according to the preferred embodiment of the present invention has the following effects.

First, the oval, round and square hair bundles and radial hair bundle groups are planted on the upper surface of the toothbrush head, so that the overall satisfaction and durability for molar plaque reduction effect, tooth surface plaque reduction and cleaning feeling can be improved. have.

Second, since an elliptical hair bundle is formed at the top end of the toothbrush head, not only can the tooth pressure be suitable for molar cleaning, but also the bristles are not easily opened.

Third, since each hair bundle has a predetermined height difference, it is not interfered with adjacent bristles when brushing teeth, so that the elasticity of the bristles can be further improved, and the interdental, tooth surfaces and molar teeth are formed by the interaction of hairs having different heights. In washing, the plaques of these cleaning portions can be easily removed.

Fourth, since a large contact area is applied to the tooth surface by the group of radial hair bundles, it is more effective for cleaning the tooth surface, and since the free space is formed in the central portion of the group of radial hair bundles, the strength of the bristles can be kept soft.

Claims (4)

A handle part of a predetermined length made of a plastic material to allow a user to easily grip the gripper; Toothbrush head portion having a predetermined thickness and width integrally formed with the handle portion; And A plurality of toothbrush heads are formed on the upper surface of the toothbrush, and are disposed radially orthogonal to the predetermined center point so as to be able to act as a wide and uniform contact area on these cleaning portions when cleaning the interdental portion, tooth surface and molar tooth between the teeth An improved toothbrush comprising: a hair transplanter having a hair bundle group. The method of claim 1, The bristle group is an improved toothbrush, characterized in that the clearance is formed at its center point to be flexible and at the same time acting as a wide contact area with respect to the tooth surface. The method of claim 1, The hair transplanting unit has a height difference in the range of 1.0mm to 3.0mm so as not to interfere with each other, and has a plurality of round and square hair bundles fixed alternately in the longitudinal and transverse directions with respect to the upper surface of the toothbrush head. Toothbrush made. The method according to claim 1 or 3, The tufted portion is an improved toothbrush, characterized in that it has an area of 1.5 to 4 times more than other hair tufts and an elliptical hair tuft fixed to the distal end of the toothbrush head so as to overcome a predetermined brushing pressure on the molars.