KR20040077155A - A Peanut Head Toothbrush Having a Function for the Teethridge Protection - Google Patents

Abstract

PURPOSE: A peanut-head type toothbrush having gum protection function is provided to effectively remove plague and to reduce or prevent the impact against the teeth or the gum by damping the applied force during tooth-brushing. CONSTITUTION: The peanut-head type toothbrush having gum protection function includes; a toothbrush head(10) having brush hair(20) planted thereon; and a toothbrush handle(30) as one piece; wherein the toothbrush head(10) has a peanut-shape, and is coupled with a soft elastic solid(12); and wherein the soft elastic solid(12) is extended to a neck(25) along the lateral side of the toothbrush head(10).

Description

A Peanut Head Toothbrush Having a Function for the Teethridge Protection}

The present invention relates to a toothbrush in the form of a peanut head having excellent molar cleaning power and a gum protection function configured to prevent damage to teeth or gums. More specifically, the toothbrush head is shaped into a peanut, and a soft elastomer is bonded to the head to maximize molar plaque removal and to prevent impact or damage to teeth or gums generated when brushing teeth. It is about a toothbrush.

In order to maintain healthy teeth, effective plaque removal and proper gum massage without impact or damage to the teeth or gums are important. In particular, effective plaque removal for molars arranged in an oval shape with a center deep inside the mouth is important.

However, since most of the conventional toothbrushes have a simple round shape, the bristles do not elastically move to fit the molar shape when brushing the teeth, and thus the brush for the effective plaque removal mentioned above cannot be brushed. In addition, toothbrushes having various types of toothbrush heads have been developed to reach the bristles deep into the mouth, but these toothbrushes have not solved the above disadvantages. In other words, the toothbrush head was made smaller or pointed so that the bristles reached deep into the mouth, but this required relatively more brushing (smaller) than normal toothbrushes (or small). There was a problem, and this too did not effectively contact the molars and did not promote effective brushing of the molars.

In addition, since the conventional toothbrush head has a hard plastic surface, there is a problem of impact or damage to teeth or gums when brushing teeth. In other words, there is a slight difference depending on the user, but the force applied to the teeth or gums when brushing is generally applied to the force of about 250 ~ 500g, this force is transmitted to the teeth or gums through the hard plastic toothbrush head There was a problem that the impact or damage. In recent years, toothbrushes made by inserting rubber elastomers for various purposes into a part of the toothbrush head have been developed. However, these toothbrushes are not firm enough or have sufficient functions to prevent impact or damage to teeth or gums when brushing teeth. Did not have.

Therefore, there is a need for a toothbrush that can effectively and effectively remove molar teeth by effectively acting on the molars and prevents the impact or damage to teeth or gums when brushing teeth.

The present invention has been invented to solve the problems and problems of the conventional toothbrush as described above, to effectively remove the plaque of the molar teeth by having a toothbrush head portion having a shape corresponding to the molar shape and to buffer the force applied when brushing teeth. It is an object of the present invention to provide a toothbrush that can, and can reduce or prevent the impact or damage to the teeth or gums.

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

Figure 2 shows a toothbrush head portion and molar teeth of the toothbrush according to a preferred embodiment of the present invention, the toothbrush head portion is an enlarged bottom view of FIG.

3 is a side view of the toothbrush head of the toothbrush according to the preferred embodiment of the present invention, viewed from the side of the toothbrush head of FIG. 1.

Explanation of symbols on the main parts of the drawings

10 toothbrush head 12 soft elastic body

20: brush head 25: neck

30: toothbrush handle d: thickness of the soft elastomer

H: height of soft elastomer

In order to achieve the above object, the present invention provides a toothbrush head portion in which the bristles are implanted and a toothbrush handle portion is integrally formed, the toothbrush head portion is a peanut shape, the soft elastic body is coupled to the toothbrush head portion Provide a toothbrush.

Accordingly, the present invention maximizes the removal of the plaque of the molars by making the shape of the toothbrush head portion in the form of a peanut to match the shape of the molars so that the bristles effectively contact the molars effectively, and the toothbrush head portion is applied at the time of brushing It is characterized by preventing the impact or damage of teeth or gums when brushing by combining a soft elastic body that can buffer the force to function as a gum protection pad.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a toothbrush according to a preferred embodiment of the present invention, Figure 2 is a toothbrush head portion and molar teeth of the toothbrush according to a preferred embodiment of the present invention, the toothbrush head portion is an enlarged bottom view of FIG. . 3 is an enlarged side view of the toothbrush head of the toothbrush according to the preferred embodiment of the present invention, viewed from the side of the toothbrush head of FIG. 1.

Referring to Figure 1, the toothbrush of the present invention is composed of a toothbrush head portion 10, the toothbrush head 10 is implanted with a bristle 20, and a toothbrush handle handle 30 formed while having a neck portion 25 integrally therewith, According to the present invention, the toothbrush head 10 has a peanut shape that matches the molar shape, and a soft elastic body 12 having a predetermined thickness and height is integrally coupled.

The present invention is to have the shape of the toothbrush head 10 to have a peanut shape most suitable to the shape of the molars so that the plaque of the molars can be most effectively removed. That is, referring to Figure 2, the toothbrush head portion 10 is a peanut-shaped (peanut) grafted two molar teeth to the bristle 20 which can cover about two molar teeth to the bristles 20 ) Is the most effective and proper contact with the molar.

The toothbrush head 10 is made of PP (polypropylene), PETG (polyethylene terephthalate), AS (acrylonitrile styrene), CP (cellulose propionate), ABS (acrylonitrile butadiene styrene) as usual. It is injection molded integrally with the toothbrush handle 30 by using a plastic material such as.

At this time, the toothbrush head portion 10 is injection-molded into a nut-shaped according to the present invention can be divided into a head front end (10A) and a head rear end (10B), the head front end (10A) and the head rear end ( The size of 10B) is not particularly limited, but it is preferable to have an area ratio of 1: 1 to 1: 5. When the area ratio of the head front end portion 10A and the head rear end portion 10B is less than 1: 1, that is, when the head front end portion 10A is larger than the head rear end portion 10B, the size reaches all the teeth. Most effective toothbrush head size for brushing if the area ratio exceeds 1: 5, i.e. if the head rear end 10B has an area five times greater than the head front end 10A. It is out of size to cover about 2 phosphorus molar teeth and is insufficient for effective molar plaque removal.

In addition, the toothbrush of the present invention is a soft elastic body (Toothbrush head 10) to prevent the plastic toothbrush head 10 such as the above to directly hit the teeth or gums and to impact or damage the teeth or gums when brushing. 12) is combined. The soft elastic body 10 may be coupled to all or a part of the surface of the toothbrush head 10, and may be coupled to extend from the toothbrush head 10 to the toothbrush handle 30. Preferably it extends to the neck 25 along the circumference of the side of the toothbrush head 10, or extends to the toothbrush handle 30 through the neck 25 along the circumference of the side of the toothbrush head 10. In the figure illustrates a state extending to the toothbrush handle 30 along the circumference of the side of the toothbrush head 10.

The soft elastic body 12 functions as a gum protection pad that buffers the force applied when brushing teeth, and is injection molded after the injection molding of the toothbrush rod (head and handle) using a material that is harmless to the human body and has elasticity. It may be integrally coupled to the toothbrush head 10. For example, the soft elastomer 12 may be double injection-molded using a material such as ethylene propylene diene (EPDM) rubber, styrene ethylene butadiene styrene (SEBS) rubber or silicone rubber. Can be combined in a manner.

In addition, it will be described with reference to Figure 2 it is preferable that the soft elastic body 12 has a thickness (d) of 0.2mm to 3.0mm. If it is less than 0.2 mm, sufficient elasticity for preventing the impact or damage at the time of tooth brushing cannot be exhibited, and there is an inconvenience in coupling the soft elastic body 12 to the toothbrush head 10. In addition, when exceeding 3.0mm, the toothbrush head portion 10 becomes too thick or heavy, so the feeling of use is not good.

3, the height H of the flexible elastic body 12 is preferably 1.0 mm to 7.0 mm. If it is less than 1.0mm, it will not be able to function enough to prevent the impact or damage at the time of brushing. If it exceeds 7.0mm, the toothbrush head portion 10 is too thick, so the feeling is not good and the toothbrush head is extended to every corner of the mouth. (10) is not reached, which is disadvantageous in effective brushing.

In the toothbrush of the invention mentioned above, the area ratio of the head front end portion 10A and the rear end portion 10B, the thickness d and the height H of the soft elastic body 12, etc. can be appropriately adjusted within each of the above preferred ranges. Can be.

Hereinafter, the effect of the toothbrush according to the present invention through the preferred examples and comparative examples of the present invention.

EXAMPLE

As shown in the drawing, the toothbrush head 10 is molded to have a peanut shape, and the toothbrush head 10 is molded into a peanut shape, and the toothbrush head 10 is formed. The injection molding of the toothbrush according to the present invention was carried out by double injection molding the soft elastomer 12 having a thickness (d) of 1.0 mm and a height (H) of 4.5 mm at the side surface thereof. The structure of the toothbrush head 10 of this embodiment is shown in the following [Table 1].

[Comparative Example]

As a conventional toothbrush, a toothbrush having a single head structure (without a soft elastic body) having a toothbrush head portion having a round shape (long oval) was used as a comparative example. The structure of the toothbrush head of this comparative example is shown in the following [Table 1].

<Toothbrush Head Structure> division Example Comparative example Toothbrush head shape Peanut type Round type Head side structure Flexible Elastic Bonding Structure Single head structure (no soft elastomer) Thickness of soft elastomer (d) 1.0 mm - Height of soft elastomers (H) 4.5 mm -

The evaluation of the preference of the toothbrush and the comparative evaluation of the plaque removal effect according to the above Examples and Comparative Examples were tested in the following manner.

<Evaluation of Consumers' Preference for Usability>

Toothbrushes of 50 panelists were used for a certain period of time (30 days) according to the above Examples and Comparative Examples, and then the preference value was evaluated by a 5-point comparison method through a comparison panel test. It is shown in [Table 2].

<Result of Preference Evaluation on Consumer Usability> division Example Comparative example Molar cleaning power 4.1 3.4 A feeling of reaching every corner of the mouth 3.8 3.3 Prevention of gum damage 4.0 3.2 Overall satisfaction 4.1 3.4

* Evaluation standard

5: Very good 4: Good 3: Normal 2: Poor 1: Very poor

As shown in the result of [Table 2], the toothbrush of the present invention is much superior to the conventional toothbrush (comparative example) in terms of overall satisfaction, such as molar cleaning power, reach of every corner of the mouth, and prevention of gum damage. Appeared.

<Comparative Evaluation Test for Plaque Removal Effect>

When brushing teeth using a toothbrush according to the above Examples and Comparative Examples, the effect of reducing the molars plaque index (Plaque Index) was evaluated in the following manner.

Reduction rate of Plaque Index after 30 days after 14 days after 30 days after selecting 30 clinical subjects and using 15 toothbrushes according to Examples and Comparative Examples for a certain period (30 days) %) Was measured, and the results are shown in the following [Table 3].

<Measurement result of the plaque index reduction rate> division Reduction Rate (%) Example Comparative example 14 days later 4.0 ± 0.3 2.5 ± 0.2 30 days later 7.2 ± 0.2 4.3 ± 0.2

As shown in Table 3, the conventional toothbrush (comparative example) showed a decrease of 2.5% and 4.3% in the Prag index after 14 days and 30 days of use, while the toothbrush of the present invention was 4.0%, 7.2 The plaque removal effect was found to be more excellent in%.

As can be seen from the above, the toothbrush having a peanut-type head structure combined with the soft elastic body according to the present invention, as well as the overall satisfaction on the consumer's usability, such as molar cleaning power, reach of every corner of the mouth, prevention of gum damage, It can be seen that it is also excellent in the clinical comparison evaluation of the plaque removal effect of molar.

Therefore, in the present invention, the toothbrush head portion 10 has a shape of a peanut which corresponds to the shape of the molar, and the bristle 20 can be effectively and properly contacted with the molar, thereby effectively removing the molar plaque. In addition, the toothbrush head 10 is coupled to a soft elastic body that can function as a gum protection pad by buffering the force applied when brushing the teeth has the effect of preventing the impact or damage of teeth or gums when brushing. In addition, the satisfaction of the overall consumer usability, such as the reach of every corner of the mouth is excellent.

Claims (5)

In the toothbrush which consists of the toothbrush head part 10 in which the bristle 20 was implanted, and the toothbrush holder handle part 30, the toothbrush head part 10 is a peanut-shaped, This toothbrush head part 10 Toothbrush, characterized in that the soft elastic body 12 is coupled to. 2. The toothbrush of claim 1, wherein the soft elastic body (12) extends around the side of the toothbrush head portion (10) to the neck portion (25). 2. The nutnut toothbrush head portion (10) is divided into a head front end portion (10A) and a head rear end portion (10B), and the head front end portion (10A) and the head rear end portion (10B). ) Toothbrush having an area ratio of 1: 1 to 1: 5. The toothbrush of claim 1, wherein the soft elastic body (12) has a thickness (d) of 0.2 mm to 3.0 mm. The toothbrush of claim 1, wherein the soft elastomer (12) is made of ethylene propylene diene (EPDM) rubber, styrene ethylene butadiene styrene (SEBS) rubber or silicone rubber.