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WO2005122948A1 - Brosse adents permettant de prevenir et de traiter l'hypersensibilite de la dentine a l'aide d'un faible niveau de lumiere - Google Patents

Brosse adents permettant de prevenir et de traiter l'hypersensibilite de la dentine a l'aide d'un faible niveau de lumiere Download PDF

Info

Publication number
WO2005122948A1
WO2005122948A1 PCT/KR2005/001875 KR2005001875W WO2005122948A1 WO 2005122948 A1 WO2005122948 A1 WO 2005122948A1 KR 2005001875 W KR2005001875 W KR 2005001875W WO 2005122948 A1 WO2005122948 A1 WO 2005122948A1
Authority
WO
WIPO (PCT)
Prior art keywords
toothbrush
circuit board
printed circuit
light
low level
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.)
Ceased
Application number
PCT/KR2005/001875
Other languages
English (en)
Inventor
Jinsoo Park
Wonbong Lim
Hongran Choi
Okjoon Kim
Youngcheol Lim
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.)
Individual
Original Assignee
Individual
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
Priority claimed from KR1020040045917A external-priority patent/KR20040064664A/ko
Application filed by Individual filed Critical Individual
Publication of WO2005122948A1 publication Critical patent/WO2005122948A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0601—Apparatus for use inside the body
    • A61N5/0603—Apparatus for use inside the body for treatment of body cavities
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0016—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means
    • A46B15/0034—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with a source of radiation, e.g. UV, IR, LASER, X-ray for irradiating the teeth and associated surfaces
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0016—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means
    • A46B15/0036—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with a lighting means, e.g. laser, bulb
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0601—Apparatus for use inside the body
    • A61N5/0603—Apparatus for use inside the body for treatment of body cavities
    • A61N2005/0606—Mouth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/065—Light sources therefor
    • A61N2005/0651—Diodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
    • A61N2005/0659—Radiation therapy using light characterised by the wavelength of light used infrared

Definitions

  • the present invention relates to a toothbrush for prevention and treatment of dentin hypersensitivity using low level light, and more particularly to a toothbrush having a donut-shaped head with a hole at the center thereof and low level light sources such as LEDs or laser diodes at the bottom of bristles embedded therein to emit low level light during brushing for the prevention and treatment of dentin hypersensitivity.
  • low level light sources such as LEDs or laser diodes at the bottom of bristles embedded therein to emit low level light during brushing for the prevention and treatment of dentin hypersensitivity.
  • toothbrushes The main function of toothbrushes is to remove remaining food debris on teeth surfaces to clean the oral cavity including the teeth and thereby prevent plaque and calculus accumulation that often result in periodontal diseases and caries.
  • Dental hypersensitivity is a painful condition prevalent in the general population. It causes oral discomfort generated by sensitive, painful or loose teeth. Since a short and sharp pain arises from exposed dentin in response to thermal, evaporative, tactile, osmotic or chemical irritation, people suffering from dentin hypersensitivity cannot brush their teeth with usual toothbrushes or maintain normal tooth brushing habits.
  • the present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide a toothbrush having low level light sources such as LEDs or laser diodes to emit low level light during brushing for the prevention and treatment of pain associated with dentin hypersensitivity.
  • low level light sources such as LEDs or laser diodes to emit low level light during brushing for the prevention and treatment of pain associated with dentin hypersensitivity.
  • Another object of the present invention is to provide an inside- waterproofed toothbrush for prevention and treatment of dentin hypersensitivity using low level light.
  • a toothbrush for prevention and treatment of dentin hypersensitivity using low level light which comprises: a head having a central hole at the center thereof and bristles arranged in a plurality of rows at the outer periphery of the central hole; a handle connected to the head to form a single body; a printed circuit board mounted in the body and consisting of a light source portion with a plurality of light sources and a controller portion; a toggle switch connected to the printed circuit board; a battery for providing power to the light source portion; and a cover coupled to the rear side of the body.
  • the light source portion is mounted in the head, whereas the controller portion is mounted in the handle.
  • the body and the cover are made of a polycarbonate material and adhered to each other by means of a UV hardener.
  • the printed circuit board is coated with a waterproof coating.
  • the light sources are LEDs or laser diodes having a specific wavelength between 600 nm and 890 nm.
  • the toothbrush according to the present invention irradiates low level light to the teeth during brushing to produce photo- biological effects that can treat dentin hypersensitivity. Also, continuous use of the toothbrush can prevent the inflammation or necrosis of exposed dentinal tubules.
  • FIG. 1 is a front view of a toothbrush for prevention and treatment of dentin hypersensitivity using low level light according to a first embodiment of the present invention
  • FIG. 2 is an exploded perspective view of the toothbrush in FIG. 1 ;
  • FIG. 3 is a front view of a toothbrush for prevention and treatment of dentin hypersensitivity using low level light according to a second embodiment of the present invention
  • FIG. 4 is an exploded perspective view of the toothbrush in FIG. 3;
  • FIG. 5 is an enlarged cross-sectional view of a waterproof cap and a toggle switch of the toothbrush in FIG. 3;
  • FIG. 6 is a view showing the usage of the toothbrush according to the present invention.
  • FTGs. 1 and 2 illustrate a toothbrush for prevention and treatment of dentin hyper- sensitivity using low level light according to the first embodiment of the present invention.
  • the toothbrush includes a body 10 having bristles 15 embedded in a head thereof, a flexible printed circuit board 30 mounted within the body 10 and a cover 40 for covering the body 10 to sealably mount the printed circuit board 30 inside the body 10.
  • the body 10 consists of a head 23 and a handle 25.
  • the body 10 should be made of a polycarbonate material to improve light transmissivity. If the body 10 is made of polycarbonate, a UV hardener should be used to connect the cover 40 to the body 10 because polycarbonate has a property that is not suitable for ultrasonic welding.
  • the head 23 has bristles 15 embedded in a plurality of rows for brushing and a central hole 13 formed at the center thereof for easily removing remaining toothpaste.
  • the handle 25 is provided with a waterproof button 17 at the front side thereof. The button 17 is used to turn on or off a toggle switch of the printed circuit board 30.
  • the integrated body of the head 23 and the handle 25 has a groove 18 formed at the rear side thereof in a shape corresponding to the printed circuit board 30 and suitable to receive the printed circuit board 30.
  • the printed circuit board 30 consists of a light source portion 31 mounted in the head 23 and a controller portion 32 mounted in the handle 25.
  • the light source portion 31 has a hole 34 at the center thereof to correspond to the head 23 and a plurality of light sources 33 at the outer periphery of the hole 34.
  • the light sources 33 should be LEDs or laser diodes.
  • the LEDs or laser diodes should have a wavelength between 600 nm and 890 nm, a low output power of 1 to 500 mW and a specific cycle.
  • the controller portion 32 connected to the light source portion 31 has a circuit for powering the low level light sources.
  • the controller portion 32 also has a toggle switch 35 that is turned on or off by the pressing of the waterproof button 17, a small battery 36 for supplying power to the light sources 33 and a micom 37 for the on/off control of the light sources 33.
  • the printed circuit board 30 is waterproofed with a transparent waterproof coating. Then the printed circuit board 30 can be colored with a color coating to provide aesthetics.
  • the body 10 is sealably covered with the cover 40.
  • the cover 40 has a shape corresponding to that of the body 10.
  • the cover 40 has a head portion 41 with a hole 43 at the center thereof to correspond to the head 23 of the body 10 and a handle portion 45 corresponding to the handle 25 of the body 10.
  • the toothbrush according to the second embodiment is identical to that according to the first embodiment, except for the shape of the printed circuit board mounted in the body and the location of the toggle switch.
  • the toothbrush according to the second embodiment of the present invention includes a body 110 having bristles 115 embedded in a head thereof, a printed circuit board 130 mounted within the body 110 and a cover 140 for covering the body 110 to sealably mount the printed circuit board 130 inside the body 110.
  • the body 110 consists of a head 123 and a handle 125.
  • the body 110 should be made of a polycarbonate material to improve light transmissivity. If the body 110 is made of polycarbonate, a UV hardener should be used to connect the cover 140 to the body 10 because polycarbonate has a property that is not suitable for ultrasonic welding.
  • the head 123 has bristles 115 embedded in a plurality of rows for brushing and a central hole 113 formed at the center thereof for easily removing remaining toothpaste.
  • the printed circuit board 130 consists of a light source portion 131 mounted in the head 123 and a controller portion 132 mounted in the handle 125.
  • the light source portion 131 has a hole 134 at the center thereof to correspond to the head 123 of the body 110 and a plurality of light sources 133 at the outer periphery of the hole 134.
  • the light sources 133 should be LEDs or laser diodes.
  • the LEDs or laser diodes should have a wavelength between 600 nm and 890 nm, a low output power of 1 to 500 mW and a specific cycle.
  • the controller portion 132 connected to the light source portion 131 has a circuit for powering the low level light sources.
  • the controller portion 132 also has a toggle switch 135 connected to the circuit and the lower end of the controller portion 132, a small battery 136 for supplying power to the light sources 133 and a micom (not shown) for the on/off control of the light sources 133.
  • the printed circuit board 130 is waterproofed with a transparent waterproof coating. Then the printed circuit board 30 can be colored with a color coating to provide aesthetics.
  • the body 10 with the flexible printed circuit board 130 mounted therein is sealably covered with the cover 140.
  • the cover 140 has a shape corresponding to that of the body 110.
  • the cover 140 has a head portion 141 with a hole 143 at the center thereof to correspond to the head 123 of the body 110 and a handle portion 145 corresponding to the handle 125 of the body 110.
  • the toggle switch 135 is provided at the lower end of the printed circuit board 130 and protruded from the bottom of the body 110. Also, the toggle switch 135 is covered with a silicon waterproof cap 134 to prevent water permeation into the bottom of the body 110.
  • the waterproof cap 134 of a silicon material can be bonded to the body 110 of a polycarbonate material using an adhesive for bonding heterogeneous materials.
  • the plurality of light sources 33 or 133 emit low level light of a wavelength between 600 nm and 890 nm and a low output of 1 to 500 mW.
  • the toothbrush emits light on the top and sides of a tooth being brushed. More specifically, the light is delivered to the enamel, hard tissues of dentine, gingival soft tissues and underlying cementum so that photo- biological effects can effectively prevent and treat dentin hypersensitivity.
  • the micom may store a simple program for operating the light sources. For example, a predetermined light emitting time can be stored to automatically stop the light emission when the predetermined time lapses. It is also possible to store a program for automatically turning on the light sources during brushing and off while the toothbrush is not being used.
  • the photobiological effects refer to stimulation in vivo by the light delivered to the body, which enhances activation of cells, growth of activated cells and activation of body tissues.

Landscapes

  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Dentistry (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Brushes (AREA)

Abstract

L'invention concerne une brosse à dents permettant de prévenir et de traiter l'hypersensibilité de la dentine à l'aide d'un faible niveau de lumière. Ladite brosse à dents comprend une tête dotée d'un trou central au niveau de son centre et des soies agencées en une pluralité de rangées au niveau de la périphérie extérieure dudit trou central; une poignée connectée à la tête afin de former un corps unique; une carte de circuit imprimé montée dans le corps comprenant une partie source de lumière dotée d'une pluralité de sources de lumière et une partie contrôleur; un interrupteur à bascule connecté à la carte de circuit imprimé; une batterie permettant d'alimenter la partie source de lumière; et un couvercle couplé à l'arrière du corps.
PCT/KR2005/001875 2004-06-21 2005-06-17 Brosse adents permettant de prevenir et de traiter l'hypersensibilite de la dentine a l'aide d'un faible niveau de lumiere Ceased WO2005122948A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020040045917A KR20040064664A (ko) 2004-06-21 2004-06-21 저출력 광원(LED, Laser Diode)을 이용한 상아질 과민증(Dentin hypersensitivity) 예방 및 치료용 칫솔
KR10-2004-0045917 2004-06-21
KR1020050051724A KR100551710B1 (ko) 2004-06-21 2005-06-16 저출력 광원을 이용한 상아질 과민증 예방 및 치료용 칫솔
KR10-2005-0051724 2005-06-16

Publications (1)

Publication Number Publication Date
WO2005122948A1 true WO2005122948A1 (fr) 2005-12-29

Family

ID=35509413

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2005/001875 Ceased WO2005122948A1 (fr) 2004-06-21 2005-06-17 Brosse adents permettant de prevenir et de traiter l'hypersensibilite de la dentine a l'aide d'un faible niveau de lumiere

Country Status (1)

Country Link
WO (1) WO2005122948A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7845039B2 (en) 2003-09-09 2010-12-07 The Procter & Gamble Company Toothbrush with severable electrical connections
USD723282S1 (en) 2014-03-17 2015-03-03 Gosmile, Inc. Toothbrush head
US10702055B2 (en) 2015-12-28 2020-07-07 Colgate-Palmolive Company Light emitting oral care implement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0373106A (ja) * 1989-08-14 1991-03-28 Omron Corp 光治療歯ブラシ
US6056548A (en) * 1995-04-26 2000-05-02 Ceramoptec Industries, Inc. Hygienic dental laser photo treatment method
US6623272B2 (en) * 2001-11-30 2003-09-23 Kathleen Clemans Light-emitting toothbrush and method of whitening teeth
US20040053190A1 (en) * 2002-09-13 2004-03-18 Ray-Ming Lin Light emitting tooth brush having whitening and sterilizing effects

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0373106A (ja) * 1989-08-14 1991-03-28 Omron Corp 光治療歯ブラシ
US6056548A (en) * 1995-04-26 2000-05-02 Ceramoptec Industries, Inc. Hygienic dental laser photo treatment method
US6623272B2 (en) * 2001-11-30 2003-09-23 Kathleen Clemans Light-emitting toothbrush and method of whitening teeth
US20040053190A1 (en) * 2002-09-13 2004-03-18 Ray-Ming Lin Light emitting tooth brush having whitening and sterilizing effects

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7845039B2 (en) 2003-09-09 2010-12-07 The Procter & Gamble Company Toothbrush with severable electrical connections
USD723282S1 (en) 2014-03-17 2015-03-03 Gosmile, Inc. Toothbrush head
US10702055B2 (en) 2015-12-28 2020-07-07 Colgate-Palmolive Company Light emitting oral care implement

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