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CN112996412A - Toothbrush capable of improving gum massage and dental plaque removing efficiency - Google Patents

Toothbrush capable of improving gum massage and dental plaque removing efficiency Download PDF

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Publication number
CN112996412A
CN112996412A CN201980074280.1A CN201980074280A CN112996412A CN 112996412 A CN112996412 A CN 112996412A CN 201980074280 A CN201980074280 A CN 201980074280A CN 112996412 A CN112996412 A CN 112996412A
Authority
CN
China
Prior art keywords
bristles
head frame
toothbrush according
materials
toothbrush
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201980074280.1A
Other languages
Chinese (zh)
Inventor
河尚完
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
He Shangwan
Original Assignee
He Shangwan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by He Shangwan filed Critical He Shangwan
Publication of CN112996412A publication Critical patent/CN112996412A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B15/00Other brushes; Brushes with additional arrangements
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B7/00Bristle carriers arranged in the brush body
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B9/00Arrangements of the bristles in the brush body
    • A46B9/02Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B9/00Arrangements of the bristles in the brush body
    • A46B9/02Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04Arranged like in or for toothbrushes
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B9/00Arrangements of the bristles in the brush body
    • A46B9/06Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46DMANUFACTURE OF BRUSHES
    • A46D1/00Bristles; Selection of materials for bristles

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  • Brushes (AREA)

Abstract

The toothbrush for improving the efficiency of massaging the gum and removing dental plaque comprises: a handle portion for a user to hold; a brush head frame which is plate-shaped and is arranged at one end of the handle part; a plurality of supporting protrusions formed by a plurality of materials with different elasticity and formed by a hollow column shape with a hollow part at the inner side and protruding from the wide surface of the brush head frame; and bristles having distal end portions disposed and fixed in the hollow portion.

Description

Toothbrush capable of improving gum massage and dental plaque removing efficiency
Technical Field
The present invention relates to a toothbrush for improving the efficiency of massaging the gum and removing dental plaque, and more particularly, to a toothbrush for improving the efficiency of massaging the gum and removing dental plaque, which comprises: only one toothbrush is needed to obtain the bristle effects of various elasticity and strength, the gum massage effect by soft bristles and the plaque removal effect by strong bristles can be simultaneously achieved, and the uniform tooth brushing effect can be achieved in the entire complex oral cavity structure, so that the same tooth brushing effect as that of a toothbrush in which various types of bristles are implanted can be obtained, and an improved tooth brushing effect can be provided to a user who has an incorrect tooth brushing habit.
Background
The background art related to the present invention is provided herein, but these do not necessarily mean the known art (This section development related to the present disclosure while being non-specific). Toothbrushes are very important tools for maintaining oral health by brushing teeth.
Proper brushing regimen for oral health includes not only removal of food debris, but also removal of dental plaque.
Also, it is necessary to maintain the cleanliness and health of the gums supporting the teeth.
Stiff bristles are useful for effective removal of plaque or food debris as a previous stage in the formation of calculus. However, if the bristles are too stiff, they may damage the gums and cause bleeding between the teeth and gums.
Conversely, in order to maintain effective gum health by applying gentle force to the gums, bristles that are as soft as possible are useful. However, if the bristles are soft, they are not suitable for users with a large number of calculus, and there is a problem in that foreign materials between gums and teeth cannot be effectively removed.
In order to brush teeth correctly, it is necessary to brush teeth in various directions depending on the position of the teeth.
However, the structure of the human mouth including the teeth has a very complicated three-dimensional shape.
Also, the oral cavity structure is slightly different for each person, and the brushing habits are also different.
Since the user cannot brush teeth while observing with the naked eye, the brushing of teeth at a specific portion may be incorrect according to the user's brushing habits.
On the other hand, toothbrushes sold in the market have various forms, such as designing the tips of bristles to have different heights, or implanting the bristles obliquely, etc.
Also, various products such as fine bristles, ultra-fine bristles, high elastic bristles, etc. are sold according to the thickness or strength of the bristles.
However, these toothbrushes have limitations in effectively brushing the teeth throughout a particular complex oral structure.
Since the bristles having specific elasticity and strength are implanted at a specific angle, it is impossible to provide effective brushing effects to all users.
That is, there is a need to develop a toothbrush which can provide an effective brushing effect regardless of the oral structure of everyone and an incorrect brushing habit, and particularly can simultaneously achieve the effects of strong bristles required for removing dental plaque and soft bristles which can improve gum health.
Disclosure of Invention
Technical problem
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a toothbrush which improves efficiency of massaging gums and removing dental plaque, as follows: the brushing range of the bristles can be changed, so that various elastic and strong bristle effects can be obtained.
It is still another object of the present invention to provide a toothbrush which improves the efficiency of massaging gums and removing dental plaque as follows: when one toothbrush is used for brushing teeth, the gum massage effect brought by soft toothbrush bristles and the dental plaque removing effect brought by strong toothbrush bristles can be simultaneously realized.
Another object of the present invention is to provide a toothbrush which can improve the efficiency of massaging gums and removing dental plaque as follows: when one toothbrush is used for brushing teeth, it is expected to achieve a uniform brushing effect throughout the entire complicated oral cavity structure.
It is still another object of the present invention to provide a toothbrush which improves efficiency of gum massaging and plaque removal as follows: the same tooth brushing effect as that of the toothbrush implanted with various types of bristles can be obtained by the toothbrush implanted with one type of bristles.
It is still another object of the present invention to provide a toothbrush which can improve the efficiency of massaging gums and removing dental plaque as follows: improved brushing can be provided to users who have incorrect brushing habits.
Means for solving the problems
In order to achieve the above objects, a toothbrush for improving efficiency of gum massage and plaque removal according to one of various aspects illustrative of the present invention comprises: a handle portion for a user to hold; a brush head frame which is plate-shaped and is arranged at one end of the handle part; a plurality of supporting protrusions formed by a plurality of materials with different elasticity and formed by a hollow column shape with a hollow part at the inner side and protruding from the wide surface of the brush head frame; and bristles having distal end portions arranged and fixed in the hollow portion.
In this case, in the supporting projection, the plurality of materials may be alternately arranged along the columnar outer circumferential surface.
The plurality of materials may be alternately arranged along the columnar outer circumferential surface in opposing triangular shapes.
Meanwhile, the other end of the supporting protrusion may be buried from one surface of the head holder toward the other surface, and the hollow portion 12 may include a bristle-implanted portion that extends into the hollow portion 12 and is formed by recessing one surface of the head holder.
In the support protrusion, the plurality of materials may be alternately arranged along a protruding direction of the support protrusion.
In addition, the arrangement forms of the plurality of materials in the support protrusions different from each other may be different from each other.
On the other hand, the plurality of supporting protrusions are formed to protrude from the wide surface of the brush head frame at various heights, and the supporting protrusions at various heights are preferably irregularly arranged.
Further, a plurality of materials having different stretchability may be laminated in the brush head holder.
Meanwhile, the brush head holder may further include a massage protrusion formed to protrude on the other surface where the support protrusion is formed.
The supporting protrusions and the massaging protrusions may be arranged in one-to-one correspondence with each other.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the above means for solving the problems, the present invention has the following effects.
The present invention can change the brushing range of the bristles during brushing by using the supporting protrusions comprising a plurality of materials having different flexibility, thereby obtaining various elastic and strength bristle effects.
Also, according to the configuration of the plurality of materials having different flexibility, when one toothbrush is used for brushing teeth, it is possible to simultaneously achieve a gum massage effect by soft bristles and a plaque removal effect by strong bristles.
Drawings
Fig. 1 is an enlarged perspective view of an embodiment of a toothbrush of the present invention for improving efficiency of massaging gums and removing dental plaque, and a brush head portion including a supporting protrusion.
Fig. 2 is a diagram illustrating the structure and function of the supporting protrusion according to the present invention.
Fig. 3 is a view showing a first embodiment of the support protrusion of the present invention.
Fig. 4 is a diagram showing a first embodiment of the arrangement and combination of a plurality of materials of the support protrusions of fig. 3.
Fig. 5 is a diagram illustrating another embodiment of a brush head holder.
Fig. 6 is a view showing a second embodiment of the supporting protrusion of the present invention.
Fig. 7a to 7b are views illustrating an embodiment in which the support protrusions of fig. 6 are buried in the brush head frame.
Detailed Description
Hereinafter, preferred embodiments of a toothbrush for improving efficiency of massaging gums and removing dental plaque according to the present invention will be described in detail with reference to the accompanying drawings. For reference, terms or words used in the present specification and claims should not be construed as limited to conventional or dictionary meanings, but interpreted as meanings and concepts conforming to the technical idea of the present invention on the basis of the principle that the inventor can appropriately define the concept of the terms for describing his invention in the best way. Further, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferable embodiments of the present invention, and do not represent all the technical ideas of the present invention, and therefore, it should be understood that various equivalent technical means and modifications which can replace them may exist at the time of the present application.
Fig. 1 is an enlarged perspective view of an embodiment of a toothbrush according to the present invention for improving efficiency of massaging gums and removing dental plaque, and a head part including a supporting protrusion, and fig. 2 is a view illustrating the structure and function of the supporting protrusion according to the present invention.
Referring to fig. 1, the toothbrush for improving efficiency of massaging gums and removing dental plaque according to the present embodiment includes: a handle portion 20, a head frame 10, a support protrusion 13, and bristles 11.
The grip portion 20 is a structure that a user grips.
The brush head holder 10 is plate-shaped and disposed at one end of the handle 20.
The support protrusions 13 are formed of a plurality of materials having different stretchability.
The support protrusions 13 are formed in a hollow cylindrical shape having a hollow portion 12 on the inner side, and a plurality of them are formed to protrude from one wide surface of the brush holder 10.
The distal end portions of the bristles 11 are arranged and fixed in the hollow portion 12.
Preferably, the supporting protrusions 13 may include a first material 13-1 and a second material 13-2 having a smaller elasticity than the first material 13-1. The first material 13-1 and the second material 13-2 may be bonded adjacent to each other to form one structure, or may be separated from each other to form a plurality of independent structures.
Further, the toothbrush according to the present embodiment, which improves the efficiency of massaging the gums and removing dental plaque, may have the supporting protrusions 13A, 13B having different heights.
The supporting protrusions 13A, 13B having different heights support the bristles 11 at different heights.
As described above, the plurality of supporting protrusions 13A and 13B formed to protrude at various heights on the wide surface of the head frame 10 are irregularly arranged, and the bristles 11 having different thicknesses can be fixed to the hollow portions 12 of the supporting protrusions 13A and 13B having different heights.
For example, 10 support protrusions of 3 types, which are formed to protrude 0.2mm, 1.5mm, and 2.5mm from the wide surface of the brush holder 10, are provided, respectively, and 30 support protrusions are provided in total and irregularly arranged.
The 30 support protrusions are geometrically configured to act as an interdental floss between teeth.
In this case, the height of the supporting bristles 11 determines the displacement range of the bristles.
In this way, by arranging the support projections 13A and 13B of various heights in one brush head frame 10, uniform brushing can be performed on a complicated tooth structure having an overall concave-convex shape.
Referring to fig. 2, the first material 13-1 having high elasticity is deformed and protruded to the outside by the first force 14-1 applied to the bristles 11.
As described above, the first material 13-1 has greater stretchability than the second material 13-2.
The bristles 11 are bent by pressure during the brushing of the user.
The bending of the bristles 11 applies forces 14-1, 14-2 to the support protrusions 13 in a direction from the inside to the outside.
The first material 13-1 is expanded and contracted in the direction in which the first force 14-1 is applied, thereby deforming and protruding outward.
The deforming protrusion of the first material 13-1 causes the bristles 11 to bend further, thereby sweeping the tips of the bristles 11 across a wider tooth surface.
In contrast, the second material 13-2 is less stretchable than the first material 13-1.
Even if the second force 14-2 is applied by the bristles 11, it is not deformed telescopically or less than the amount of the first material 13-1 to be stretched.
Therefore, in the toothbrush of the present invention for improving efficiency of gum massage and plaque removal, the amount of expansion and contraction of the supporting protrusions 13 is varied according to the direction of the forces 14-1, 14-2 applied to the bristles 11 during tooth brushing, so that the range of tooth brushing by the bristles 11 is widened and the curvature of the bristles 11 bending becomes diversified.
That is, when one toothbrush is used for brushing teeth, a gum massaging effect and a plaque removing effect can be simultaneously obtained.
Also, even if the same kind of bristles 11 are implanted in one toothbrush, the same effect as that of a toothbrush in which various kinds of bristles are implanted can be obtained.
Fig. 3 is a view showing a first embodiment of the support protrusion of the present invention.
Referring to fig. 3, the first material 13-1 and the second material 13-2 of the supporting protrusion 13 according to the present embodiment may be alternately arranged along the cylindrical outer circumferential surface of the supporting protrusion 13.
The alternating arrangement of the first material 13-1 and the second material 13-2 is stretchable and contractible in different magnitudes depending on the direction of the forces 14-3, 14-4.
The general brushing method is as follows: the user holds the handle part 20 and reciprocates the brush head frame 10 in a specific direction.
If the user reciprocates the brush head frame 10 in the direction of the forces 14-3, 14-4, different brushing effects can be achieved depending on the direction of reciprocation.
Fig. 4 is a diagram illustrating a first embodiment of various material configurations and combinations of the support protrusions of fig. 3.
Referring to fig. 4, the arrangement directions of the first and second materials 13-1 and 13-2 according to the present embodiment may be differently arranged according to the positions of the support protrusions 13.
In the first type of arrangement a shown in fig. 4, the arrangement directions of the first material 13-1 and the second material 13-2 of different support protrusions 13 are the same. In this case, in order to obtain different brushing effects, it is necessary to change the reciprocating direction of the head frame 10.
In the second type of arrangement B shown in fig. 4, the arrangement directions of the first material 13-1 and the second material 13-2 of the adjacent different support protrusions 13 are different.
The support protrusions 13 are different in flexibility even though the reciprocating direction of the brush head frame 10 maintains a specific one direction.
Accordingly, the bending characteristics of the bristles 11 fastened to each of the support protrusions 13 are changed, and different brushing effects can be obtained.
The bristles 11 are fixed to the hollow portion 12, and the hollow portion 12 is fixed to the head frame 10.
The force applied to the bristles 11 depends on the reciprocating movement of the head frame 10.
In order to change the reciprocating direction of the head frame 10, it is necessary to change the grip form of the grip part 20 or the reciprocating direction of the user's arm, and thus it becomes very troublesome to brush teeth.
By fusing the various configurations A, B combinations shown in FIG. 4, even when brushing teeth while maintaining a specific angle, if the first material 13-1 and the second material 13-2 exhibit different flexibility, the bending or elastic properties of the bristles behave in various ways.
Also, referring to fig. 3 to 4, it is possible to provide an improved brushing effect to a user having an incorrect brushing habit.
Fig. 5 is a diagram showing another embodiment of a brush head holder of the present invention.
Referring to fig. 5, a plurality of materials including a plurality of materials 10-1, 10-2, 10-3 having different elasticity are alternately laminated in the brush head frame 10 according to the present embodiment.
During the brushing, the displacement range of the bristles 11 can be more randomly expanded as the protruding direction of the support protrusions 13, 13A, 13B is bent.
The head holder 10 may further include a massage protrusion 10-4, and the massage protrusion 10-4 may be formed at the other side where the support protrusions 13, 13A, and 13B are formed. The massage protrusions 10-4 apply pressure to the gums during tooth brushing, thereby having a massage effect.
On the other hand, the support protrusions are arranged on one surface and the massage protrusions are formed on the opposite surface, based on the head holder, and preferably, the support protrusions and the massage protrusions are arranged in one-to-one correspondence with each other.
In this case, the bristles implanted into the inside of the support protrusions are fixed to the massage protrusions.
Accordingly, it is possible to alleviate the increase in thickness of the head frame for the implantation of the bristles.
This can improve inconvenience in use (for example, a problem that the brush head moves not freely in the oral cavity or cheek flesh is irritated) which is caused by an increase in the thickness of the brush head.
Of course, there is also an advantage in that a beautiful appearance is formed by the thin thickness of the head holder.
Fig. 6 is a view illustrating a second embodiment of a supporting protrusion of the present invention, and fig. 7a to 7b are views illustrating an embodiment in which the supporting protrusion of fig. 6 is buried in a brush holder.
Referring to fig. 6, in the supporting protrusion 13 according to the present embodiment, the first material 13-1 and the second material 13-2 having different stretchability are alternately arranged in opposing triangular shapes along the outer circumferential surface of the columnar shape.
As described above, the first material 13-1 has greater stretchability than the second material, and the degree of bending of the support protrusions 13 may increase non-linearly as one moves in the protruding direction of the support protrusions.
Referring to fig. 7a to 7b, the other end of the support protrusion 13 is embedded in one surface of the head holder 10.
In this case, the hollow portion 12 includes a bristle-implanted portion which extends into the hollow portion 12 and is formed by recessing one surface of the head holder.
The bristles 11 can be embedded and fixed to one surface of the head frame 10 by embedding the support protrusions 13 in the head frame 10.
Therefore, the height of the distal ends of the bristles 11 exposed in one side direction may be reduced.
Also, referring to fig. 7B, the head holder fixing plate 10-B may be formed using the same material as the first material 13-1.
The head holder fixing portion 10-B fixes the position of the first material 13-1 and can prevent the second material 13-2 from being detached.
The support protrusions 13 can maintain the height of the bristles low by lowering the bristle burying positions by the depth corresponding to the depressions.
In contrast, the head frame buffer portion and the head frame fixing portion have an advantage of fixing the position of the supporting protrusion while maintaining the flexibility of the embedded supporting protrusion 13 portion.
The present invention described above is not limited to the above-described embodiments and drawings, and it will be apparent to those skilled in the art that various substitutions, modifications and changes can be made without departing from the technical spirit of the present invention.

Claims (10)

1. A toothbrush for improving efficiency of gum massaging and plaque removal, comprising:
a handle portion for a user to hold;
a brush head frame which is plate-shaped and is arranged at one end of the handle part;
a plurality of supporting protrusions formed of a plurality of materials having different elasticity, and formed by protruding from a wide surface of the brush head frame in a hollow column shape having a hollow portion at an inner side; and
and bristles having distal end portions arranged and fixed in the hollow portion.
2. The toothbrush according to claim 1, wherein the plurality of materials are alternately arranged along the outer circumferential surface of the columnar shape in the supporting protrusions.
3. The toothbrush according to claim 2, wherein the plurality of materials are alternately arranged in opposing triangular shapes along the outer circumferential surface of the columnar shape.
4. The toothbrush according to claim 3, wherein the other end of the supporting protrusion is embedded from one side of the head frame toward the other side, and the hollow portion (12) includes a bristle-implanted portion extending into the hollow portion (12) and formed by a depression formed in one side of the head frame.
5. The toothbrush according to claim 1, wherein the plurality of materials are alternately arranged in the supporting protrusions along a protruding direction of the supporting protrusions.
6. The toothbrush according to claim 5, wherein the supporting protrusions are formed of a plurality of materials having different arrangement forms.
7. The toothbrush according to any one of claims 1 to 6, wherein the plurality of supporting protrusions are formed to protrude at various heights on a wide surface of the head frame, and the supporting protrusions of various heights are irregularly arranged.
8. The toothbrush according to claim 1, wherein a plurality of materials having different flexibility are laminated in the head frame.
9. The toothbrush according to claim 1, wherein the head holder further comprises a massage protrusion formed to protrude from the other surface where the support protrusion is formed.
10. The toothbrush according to claim 9, wherein the supporting protrusions and the massaging protrusions are disposed in one-to-one correspondence with each other.
CN201980074280.1A 2019-10-02 2019-10-02 Toothbrush capable of improving gum massage and dental plaque removing efficiency Pending CN112996412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2019/012936 WO2021066226A1 (en) 2019-10-02 2019-10-02 Toothbrush having improved gum massaging and plaque removing effects

Publications (1)

Publication Number Publication Date
CN112996412A true CN112996412A (en) 2021-06-18

Family

ID=75338234

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980074280.1A Pending CN112996412A (en) 2019-10-02 2019-10-02 Toothbrush capable of improving gum massage and dental plaque removing efficiency

Country Status (3)

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JP (1) JP2022507789A (en)
CN (1) CN112996412A (en)
WO (1) WO2021066226A1 (en)

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CH99738A (en) * 1922-04-20 1923-06-16 Keller Ernst Toothbrush.
KR19990002297U (en) * 1997-06-26 1999-01-25 김상혁 toothbrush
CA2212398A1 (en) * 1997-09-22 1999-03-22 Rene Delbuguet The massobrush
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CN2753359Y (en) * 2004-11-29 2006-01-25 王富春 Health-care massage tooth brush
CN201920026U (en) * 2010-12-29 2011-08-10 浙江民心生态科技有限公司 Bamboo charcoal toothbrush
CN102440524A (en) * 2010-09-30 2012-05-09 府勤珠 Massage toothbrush
KR20120064041A (en) * 2010-12-08 2012-06-18 하용길 Massage gingiva and plaque removal medical electric tooth brush
WO2012099230A1 (en) * 2011-01-21 2012-07-26 ライオン株式会社 Tooth brush
JP2017080191A (en) * 2015-10-29 2017-05-18 花王株式会社 Scalp brush
US20180125219A1 (en) * 2006-11-27 2018-05-10 Steven L. Kayser Composite Head Toothbrush Having Safety Features
US20190298048A1 (en) * 2016-05-17 2019-10-03 Pesitro Healthcare Products Co., Ltd Toothbrush And Method Of Making The Same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002345560A (en) * 2001-05-24 2002-12-03 Kao Corp Toothbrush
JP5557583B2 (en) * 2010-04-20 2014-07-23 ライオン株式会社 toothbrush
JP5622525B2 (en) * 2010-10-29 2014-11-12 株式会社日立製作所 Lithium ion secondary battery
US10278485B2 (en) * 2016-09-01 2019-05-07 Colgate-Palmolive Company Oral care implement and filament therefor
KR102106988B1 (en) * 2018-08-30 2020-05-07 하상완 Tooth brush having improved efficiency of gingiva massage and plaque removal

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH99738A (en) * 1922-04-20 1923-06-16 Keller Ernst Toothbrush.
KR19990002297U (en) * 1997-06-26 1999-01-25 김상혁 toothbrush
CA2212398A1 (en) * 1997-09-22 1999-03-22 Rene Delbuguet The massobrush
KR200213153Y1 (en) * 2000-09-09 2001-02-15 하용길 Tooth brush
CN2753359Y (en) * 2004-11-29 2006-01-25 王富春 Health-care massage tooth brush
US20180125219A1 (en) * 2006-11-27 2018-05-10 Steven L. Kayser Composite Head Toothbrush Having Safety Features
CN102440524A (en) * 2010-09-30 2012-05-09 府勤珠 Massage toothbrush
KR20120064041A (en) * 2010-12-08 2012-06-18 하용길 Massage gingiva and plaque removal medical electric tooth brush
CN201920026U (en) * 2010-12-29 2011-08-10 浙江民心生态科技有限公司 Bamboo charcoal toothbrush
WO2012099230A1 (en) * 2011-01-21 2012-07-26 ライオン株式会社 Tooth brush
JP2017080191A (en) * 2015-10-29 2017-05-18 花王株式会社 Scalp brush
US20190298048A1 (en) * 2016-05-17 2019-10-03 Pesitro Healthcare Products Co., Ltd Toothbrush And Method Of Making The Same

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JP2022507789A (en) 2022-01-18
WO2021066226A1 (en) 2021-04-08

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Application publication date: 20210618

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