NZ742148B2 - Tooth-attachable patch capable of being removed by tooth brushing - Google Patents

Tooth-attachable patch capable of being removed by tooth brushing

Info

Publication number
NZ742148B2
NZ742148B2 NZ742148A NZ74214816A NZ742148B2 NZ 742148 B2 NZ742148 B2 NZ 742148B2 NZ 742148 A NZ742148 A NZ 742148A NZ 74214816 A NZ74214816 A NZ 74214816A NZ 742148 B2 NZ742148 B2 NZ 742148B2
Authority
NZ
New Zealand
Prior art keywords
teeth
patch
backing layer
copolymer
group
Prior art date
Application number
NZ742148A
Other versions
NZ742148A (en
Inventor
Jae Hyun Ahn
Jong Hoon Kim
In Ho Lee
Kwang Ho Oh
Woo Sun Shim
Original Assignee
Lg H&H Co Ltd
Filing date
Publication date
Priority claimed from KR1020150140104A external-priority patent/KR102076097B1/en
Priority claimed from KR1020150146678A external-priority patent/KR102025751B1/en
Priority claimed from KR1020150150249A external-priority patent/KR102024539B1/en
Priority claimed from KR1020150157626A external-priority patent/KR102034156B1/en
Application filed by Lg H&H Co Ltd filed Critical Lg H&H Co Ltd
Priority claimed from PCT/KR2016/009666 external-priority patent/WO2017061699A1/en
Publication of NZ742148A publication Critical patent/NZ742148A/en
Publication of NZ742148B2 publication Critical patent/NZ742148B2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/80—Process related aspects concerning the preparation of the cosmetic composition or the storage or application thereof
    • A61K2800/92—Oral administration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K33/00—Medicinal preparations containing inorganic active ingredients
    • A61K33/40—Peroxides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/32—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers, poly(meth)acrylates, or polyvinyl pyrrolidone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • A61K47/38—Cellulose; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0208—Tissues; Wipes; Patches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/22—Peroxides; Oxygen; Ozone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/24—Phosphorous; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/345—Alcohols containing more than one hydroxy group
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/731—Cellulose; Quaternized cellulose derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
    • A61K8/8176—Homopolymers of N-vinyl-pyrrolidones. Compositions of derivatives of such polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
    • A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • A61K8/9783—Angiosperms [Magnoliophyta]
    • A61K8/9789—Magnoliopsida [dicotyledons]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • A61K8/9783—Angiosperms [Magnoliophyta]
    • A61K8/9794—Liliopsida [monocotyledons]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
    • A61K9/0056—Mouth soluble or dispersible forms; Suckable, eatable, chewable coherent forms; Forms rapidly disintegrating in the mouth; Lozenges; Lollipops; Bite capsules; Baked products; Baits or other oral forms for animals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
    • A61K9/006—Oral mucosa, e.g. mucoadhesive forms, sublingual droplets; Buccal patches or films; Buccal sprays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
    • A61K9/0063—Periodont
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • A61K9/7007—Drug-containing films, membranes or sheets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
    • A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
    • A61K9/7038—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer
    • A61K9/7046—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds
    • A61K9/7053—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds, e.g. polyvinyl, polyisobutylene, polystyrene
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
    • A61Q11/02—Preparations for deodorising, bleaching or disinfecting dentures

Abstract

Patches applied to teeth are known to have problems relating to the removal of the patch. A patch when used for attaching to teeth or a surrounding part of teeth. The patch includes a drug layer having a drug component and a backing layer which is positioned on one side of the drug layer and whose tensile strength is reduced by 50% or more by absorbing moisture. The patch is degradable and detachable by tooth brushing and wherein the tensile strength of the backing layer of the patch, which is measured in a state that moisture is sufficiently absorbed so that the moisture content rate does not change for 10 sec, and measured at an environment of temperature of 25°C using Zwick, DE/1494 universal testing machine at a rate of 0.1 mm/s, is reduced by 50% or more, compared to before moisture absorption and wherein the backing layer includes a water-insoluble polymer which is ethyl cellulose and at least one water-soluble polymer selected from the group consisting of polyalkyl vinyl ether-maleic acid copolymer (PVM/MA copolymer), polyvinyl alcohol, polyacrylic acid, Poloxamer 407, polyethyleneoxide (Polyox), polyvinyl pyrrolidone-vinyl acetate copolymer (PVP/VA copolymer), polyvinyl pyrrolidone (PVP), polyquaternium-11, polyquaternium-39, carboxypolymethylene (Carbomer), hydroxypropyl methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, gelatin and sodium alginate, and wherein the backing layer comprises at least one plasticizer selected from the group consisting of castor oil and hydrogenated castor oil.

Claims (7)

WHAT IS CLAIMED IS:
1. A patch for attaching to teeth or a surrounding part of teeth, which comprises: a drug layer including a drug component; and a backing layer which is positioned on one side of the drug layer and whose tensile strength is reduced by 50% or more by absorbing moisture, compared to before moisture absorption; wherein the patch for attaching to teeth or a surrounding part of teeth is degradable and detachable by tooth brushing; the tensile strength of the backing layer of the patch, which is measured in a state that moisture is sufficiently absorbed so that the moisture content rate does not change for 10 sec, and measured at an environment of temperature of 25°C using Zwick, DE/1494 universal testing machine at a rate of 0.1 mm/s, is reduced by 50% or more, compared to before moisture absorption; the backing layer includes a water-insoluble polymer which is ethyl cellulose and at least one water-soluble polymer selected from the group consisting of polyalkyl vinyl ether-maleic acid copolymer (PVM/MA copolymer), polyvinyl alcohol, polyacrylic acid, Poloxamer 407, polyethyleneoxide (Polyox), polyvinyl pyrrolidone-vinyl acetate copolymer (PVP/VA copolymer), polyvinyl pyrrolidone (PVP), polyquaternium-11, polyquaternium-39, carboxypolymethylene (Carbomer), hydroxypropyl methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, gelatin and sodium alginate; and the backing layer comprises at least one plasticizer selected from the group consisting of castor oil and hydrogenated castor oil.
2. The patch of claim 1, wherein the backing layer has tensile strength reduction rate of 60% to 95%, compared to before moisture absorption.
3. The patch of claim 1, wherein a weight ratio of the water-soluble polymer and the water-insoluble polymer included in the backing layer (water-soluble polymer : water-insoluble polymer) is 1:4 to 4:1.
4. The patch of claim 1, wherein the drug layer comprises at least one selected from the group consisting of ingredients for whitening teeth, ingredients for preventing or improving sensitive teeth, ingredients for preventing cavities and ingredients for preventing periodontal disease.
5. The patch of claim 4, wherein the ingredient for whitening teeth is: at least one peroxide selected from the group consisting of hydrogen peroxide, carbamide peroxide, calcium peroxide, sodium percarbonate, sodium perborate, tetrasodium pyrophosphate peroxidate and a mixture thereof; at least one polyphosphate selected from the group consisting of tetrasodium pyrophosphate (TSPP), sodium acid pyrophosphate (SAPP), sodium hexametaphosphate (SHMP), sodium tripolyphosphate (STP), sodium potassium tripolyphosphate (SKTP), tetrapotassium pyrophosphate (TKPP), ultra-metaphosphate as ultra-phosphate, acidic sodium polyphosphate and a mixture thereof; or a mixture thereof,wherein the ingredient for preventing or improving sensitive teeth or cavities is at least one selected from the group consisting of strontium chloride, calcium carbonate, sodium citrate, sodium fluoride, silica, hydroxyapatite, potassium nitrate and potassium phosphate and wherein the ingredient for preventing periodontal disease is at least one selected from the group consisting of bamboo salt, titrated Extract of Zea Mays L. unsaponifiable fraction, policresulen, tetracycline, chlorhexidine gluconate, cetyl pyridinium chloride, sanguinarine, triclosan, Magnoliae Cortex, Centella Asiatica, Chamomile, Rhatany, Myrrha, Mori Cortex Radicis, Cimicifugae Rhizoma, Green tea, Glycyrrhizae Radix et Rhizoma, Scutellariae Radix, Taraxaci Herba and Lonicerae Flos.
6. A patch for attaching to teeth or a surrounding part of teeth, which comprises: a drug layer attached to teeth or a surrounding part of teeth; and a backing layer which is positioned on one side of the drug layer and has static contact angle variation over time, wherein the static contact angle variation of the backing layer of the patch as static contact angle variation measured at a temperature of 20°C for 10 sec to 300 sec is13° to 50°, wherein the patch for attaching to teeth or a surrounding part of teeth is degradable and detachable by tooth brushing the backing layer includes a water-insoluble polymer which is ethyl cellulose and at least one water-soluble polymer selected from the group consisting of polyalkyl vinyl ether-maleic acid copolymer (PVM/MA copolymer), polyvinyl alcohol, polyacrylic acid, Poloxamer 407, polyethyleneoxide (Polyox), polyvinyl pyrrolidone-vinyl acetate copolymer (PVP/VA copolymer), polyvinyl pyrrolidone (PVP), polyquaternium-11, polyquaternium-39, carboxypolymethylene (Carbomer), hydroxypropyl methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, gelatin and sodium alginate; and the backing layer comprises at least one plasticizer selected from the group consisting of castor oil and hydrogenated castor oil.
7. A patch for attaching to teeth or a surrounding part of teeth, which comprises: a drug layer in contact with teeth or a surrounding part of teeth; and a backing layer positioned on one side of the drug layer, wherein the backing layer includes a polymer having solubility parameter (d1) of 5 (MPa)
NZ742148A 2016-08-30 Tooth-attachable patch capable of being removed by tooth brushing NZ742148B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR1020150140104A KR102076097B1 (en) 2015-10-06 2015-10-06 Removable tooth-attached patch by brushing
KR1020150146678A KR102025751B1 (en) 2015-10-21 2015-10-21 Tooth-attached patch
KR1020150150249A KR102024539B1 (en) 2015-10-28 2015-10-28 Removable tooth-attached patch by brushing
KR1020150157626A KR102034156B1 (en) 2015-11-10 2015-11-10 Removable tooth-attached patch by brushing
PCT/KR2016/009666 WO2017061699A1 (en) 2015-10-06 2016-08-30 Patch for tooth attachment able to be removed by tooth brushing

Publications (2)

Publication Number Publication Date
NZ742148A NZ742148A (en) 2023-12-22
NZ742148B2 true NZ742148B2 (en) 2024-03-26

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