EP2689002A1 - Composition nettoyante pour objets dentaires, kit et procédé - Google Patents

Composition nettoyante pour objets dentaires, kit et procédé

Info

Publication number
EP2689002A1
EP2689002A1 EP12714084.6A EP12714084A EP2689002A1 EP 2689002 A1 EP2689002 A1 EP 2689002A1 EP 12714084 A EP12714084 A EP 12714084A EP 2689002 A1 EP2689002 A1 EP 2689002A1
Authority
EP
European Patent Office
Prior art keywords
cleaning
dentures
cleaning composition
composition according
lactic acid
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.)
Withdrawn
Application number
EP12714084.6A
Other languages
German (de)
English (en)
Inventor
Frederik BATEMA
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.)
Simus BV
Original Assignee
Simus BV
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 Simus BV filed Critical Simus BV
Publication of EP2689002A1 publication Critical patent/EP2689002A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3947—Liquid compositions
    • 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
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A61K8/365—Hydroxycarboxylic acids; Ketocarboxylic acids
    • 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
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/265—Carboxylic acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/40—Specific cleaning or washing processes
    • C11D2111/46—Specific cleaning or washing processes applying energy, e.g. irradiation

Definitions

  • the invention relates to a cleaning composition, a kit and a method of cleaning.
  • Commercially available denture cleaners include tablets and powders that are dissolved in water for cleaning the dentures.
  • the invention provides a cleaning composition for cleaning dental objects such as dentures dental braces and/or dentist's tools, comprising lactic acid, preferably at least 6% w/w lactic acid, more preferably at least 8%.
  • Liquid dental cleaners are preferred over tablets and powders, as they are more convenient to apply.
  • the denture cleaning liquids described here were found to provide an improved cleaning effect, which allows for a shorter cleaning time for a similar cleaning result.
  • the composition is based on an aqueous solution of lactic acid. Natural lactic acid (L-Lactic acid) is preferred, although D-lactic acid or a mixture of D and L stereoisomers could also be used.
  • the cleaning composition showed to be highly versatile in its uses, and is effective against various types of contamination, including smoking and coffee stains, microorganisms and tartar.
  • the cleaning composition is also suitable for the cleaning of other dent-related items, such as dentist's tools or dental braces.
  • the relatively short cleaning time makes the cleaning liquid suitable for use in professional denture laboratories were often fast cleaning is desired, for instance for removing debris and waste material produced when preparing or adjusting dentures, in particular traces of cement and gypsum.
  • the composition may comprise other functional ingredients.
  • the constitution of the compositions may range from a clear solution to a relatively thick paste.
  • the composition may be a multi-phase system such as an emulsion or dispersion.
  • the cleaning composition may be a concentrated liquid, for instance having 20, 30 or 40% lactic acid w/w. One part of such a concentrated solution may be diluted with 1 -20 parts of water to obtain a lactic acid concentration ready to use.
  • the liquid comprises from 6-15% w/w lactic acid, more preferably from 6-12% w/w lactic acid. Optimal cleaning results are obtained if the liquid is an aqueous composition having a pH below 3.5.
  • compositions described herein are particularly suitable for cleaning dentures using mechanical cleaning, for instance using an electrical tooth brush or a sonic tooth brush.
  • the lactic acid makes the compositions are also particularly suitable to remove traces of gypsum, cement and adhesives from dentures. Such materials may remain on dentures as a result of the production or repair methods of dentures in moulds.
  • the composition comprises a combination of lactic acid and an oxidant. The combination of lactic acid and an oxidant showed an improved cleaning effect and also shortens the cleaning time to minutes rather than hours.
  • the composition comprises a source of peroxide radicals.
  • Peroxide radicals showed to give a good cleaning effect combined with lactic acid.
  • the oxidizing properties of peroxides also may give a bleaching effect.
  • the combination of lactic acid and peroxide radicals showed to give relatively stable solutions.
  • Possible sources of peroxides comprise enzymatic systems (peroxidases), including lactoperoxidase, horseradish peroxidase and glucoperoxidase systems.
  • Other sources of peroxide radicals are organic and inorganic peroxides. Numerous peroxide compounds are commercially available, although some may be unsuitable for use in a denture cleaning composition due to the toxicity that some compounds may have at the preferred concentration.
  • Suitable organic peroxides include peroxy acids (derived from carboxylic acids) and organic hydroperoxides (derived from ethers or alcohols) include peracetic acid, perpropionic acid, perbutyric acid, peroctanoic acid, perglycolic acid, perglutaric acid, persuccinic acid, perlactic acid, percitric acid, perdecanoic acid or mixtures thereof.
  • a particularly suitable compound for cleaning dentures is carbamide peroxide.
  • Suitable inorganic peroxides include the peroxy salts of alkali metals and earth alkali metals with a relatively low toxicity, such as lithium peroxide, sodium peroxide, potassium peroxide, magnesium peroxide and calcium peroxide.
  • Hydrogen peroxide is most preferred as a source of peroxide radicals. Hydrogen peroxide has a low toxicity, reacts to yield water and is well soluble in aqueous solutions. Also, a synergistic effect is observed when cleaning dentures or other dental objects with a combination of hydrogen peroxide and lactic acid. Also, lactic acid stabilises the peroxide during storage. Part of the lactic acid may react with hydrogen peroxide to yield perlactic acid. Hydrogen peroxide also ensures a better cleaning result may be obtained in a shorter time.
  • the cleaning composition comprises hydrogen peroxide in an amount of at least 0.05% w/w, or a molecular equivalent amount of peroxide.
  • the denture cleaning composition has from 0.05-5% w/w hydrogen peroxide, or a molecular equivalent amount of peroxide.
  • the composition also comprises at least 1 %, preferably at least 6% w/w ethanol. Compositions using ethanol combined with lactic acid show an improved synergistic cleaning effect. Relatively high ethanol concentrations having at least 4% w/w ethanol, give a significant antibacterial effect. Preferred concentrations are the range of 6- 12% w/w ethanol.
  • the composition comprises at least 6% lactic acid, at least 1 % ethanol, and at least 0.05% w/w hydrogen peroxide.
  • the combination of these three ingredients shows a very good cleaning effect.
  • the composition comprises at least one acid-resistant gel forming agent.
  • the gel forming agent allows to obtain an improved cleaning effect and efficient and convenient use, as the liquid may be kept on the area to be cleaned for a longer time due to the viscosity and/or adhesive effect of the gel.
  • the viscosity may range from a slightly viscous liquid to a slowly flowing gel composition.
  • the gel forming agent comprises at least one compound selected from the group consisting of gellan gum, carrageenan gum and xanthan gum, or a mixture thereof.
  • Xanthan gum showed the best results.
  • Gel forming agents are typically added in amounts of 0.01 -10%, depending on the viscosity desired. Compositions in the range of 0.05-3% w/w, gellan gum (or an equivalent of other thickeners are preferred, giving a good balance between the ease of application and spreading the
  • the composition also comprises at least one acid resistant flavour compound comprising extracts from mint and/or eucalyptus, preferably comprising menthol.
  • these flavour compounds showed to be particularly suitable to mask the taste of lactic acid.
  • Flavours may include mint extracts, in particular extracts obtained from peppermint, spearmint, and apple mint. Fruity tastes such as strawberry, orange and cola may also be used. Also, synthetic equivalents may be used. The flavour gives a pleasant taste for the user of the cleaned denture. Multiple flavours may be mixed.
  • Flavour compounds comprising menthol are preferred, as it is stable in the presence of lactic acid and hydrogen peroxide. Also, menthol proved to be particularly effective in the masking of the taste of lactic acid.
  • the invention may further comprise additional ingredients.
  • the addition of surfactants may be desirable in some cases, in order to obtain a homogenous composition.
  • the invention further provides the use of a cleaning composition according to any of the preceding claims for the cleaning dental objects, in particular dentures, dental braces and/or dentist's tools.
  • the invention further provides a kit for cleaning dentures, comprising at least one container comprising the denture cleaning liquid as described herein, a receptacle for immersing dentures in the cleaning composition, and at least one mechanical cleaning device.
  • a kit for cleaning dentures comprising at least one container comprising the denture cleaning liquid as described herein, a receptacle for immersing dentures in the cleaning composition, and at least one mechanical cleaning device.
  • the container with denture cleaning liquid may actually be a sealed as the receptacle for immersing dentures, in which case the receptacle is immediately ready to use after opening.
  • the invention further provides a method for the cleaning of dentures, comprising the steps of providing dentures to be cleaned, providing a denture cleaning liquid as described herein, contacting the dentures with the cleaning composition for a predetermined cleaning time, optionally combined with mechanical cleaning of the dentures.
  • the compositions described herein are particularly suitable for cleaning dentures using an electrical tooth brush.
  • the contacting of the dentures with the cleaning composition is combined with ultrasonic treatment.
  • the combination of ultrasonic waves and the denture cleaning composition gives a good cleaning result in a relatively short time.
  • the ultrasonic waves may be generated by commercially available ultrasonic equipment, in particular ultrasonic baths. This is of particular interest for professional denture laboratories.
  • Figure 1 shows a kit of parts according to the invention.
  • a number of example formulations of the cleaning compositions according to the invention were prepared, as shown in table I. These compositions are particularly useful for daily home cleaning of dentures, but may also be used for other dent-related objects such as dental braces or dentist's tools. A typical treatment time of 2-10 minutes of immersion of the object to be cleaned, optionally combined with mechanical of ultrasonic cleaning, is sufficient for a satisfactory cleaning result. Optionally, surfactants and other functional ingredients could be added to the composition to stabilize the composition and to further improve the cleaning result.
  • Menthol was used as the flavouring agent in this example, and was noted to be effective in covering the taste of lactic acid, improving the palatability of traces of the cleaning composition that may be left in the denture even after washing the denture with water. Combining the cleaning with mechanical cleaning using a regular tooth brush improved the cleaning result, but the relative cleaning effect for the formulas appeared to be the same.
  • the invention also provides concentrated denture cleaning compositions shown in table III.
  • all of the cleaning compositions A, B, C and D mentioned in Table I could also be prepared as a concentrated composition, wherein only water needs to be added to arrive at the concentrations.
  • a preferred concentrated cleaning solution would be in the range of 1 -1 Ox concentrated.
  • Table III concentrated denture cleaning compositions
  • Formula E (2x concentrated) could for instance be diluted with an equivalent volume of water to obtain a cleaning solution having 10% lactic acid.
  • Formula F (4x concentrated) could be diluted with 3 equivalent volumes of water to yield a cleaning solution comprising 10% lactic acid and 1 % hydrogen peroxide.
  • the concentrated cleaning compositions could also be used as such, without diluting, to obtain a more thorough and/or faster cleaning result.
  • Highly concentrated compositions may be regarded as irritating chemicals, and as such use is only recommended for trained professionals.
  • Gel cleaners have the advantage to remain attached to the denture after the denture cleaner has been spread out over the surface of the cleaner.
  • Suitable thickeners include carbomers and galactomannans, including gellan gum, carrageenan gum and xanthan gum.
  • Gellan gum showed a particularly good adhesive effect to dentures, and also proved to have a good resistance to the presence of oxidative species such as HOOH.
  • An example of a liquid gel formulation for denture cleaning is shown below in table IV. Gellan gum concentrations give a notable adhesive effect from around 0.01 % w/w, but the best results are obtained when concentrations in the range from 0.1 -3%w/w are used.
  • the gel formulations may for instance be packed in a squeeze bottle, pump bottle or tube. Table IV: gel denture cleaning compositions
  • a denture cleaning kit provides an attractive package for cleaning dentures, suitable for consumers as well as professionals.
  • the proposed cleaning kit comprises at least one container comprising a cleaning composition according to the invention, such as a plastic, glass bottle or, for gel formulations a tube or pump bottle.
  • the amount of liquid should be available in a quantity sufficient for one or more cleanings. Typically 10-200 ml denture cleaning composition per cleaning is sufficient, depending on the
  • the container could also comprise a concentrated cleaning solution that is to be diluted with water to obtain the predetermined concentrations for use.
  • the kit also comprises a receptacle of sufficient size and shape to hold a denture immersed in the cleaning liquid.
  • the receptacle could for instance be have a box-like shape, optionally provided with a lid, but may also be a sealable bag.
  • the kit comprises one ore more mechanical tools for additional cleaning of the dentures.
  • Such tools could for instance comprise a brush, toothpicks and the like. Mechanical cleaning of dentures before or during immersion of the dentures into the cleaning liquid improves the cleaning result.
  • the cleaning kit may also be made suitable for the cleaning of other objects, such as dental braces or dentist's tools, or tools used in the manufacture of dentures.
  • Figure 1 shows an example of a cleaning kit 1 for dentures (dentures not shown).
  • the kit includes a bottle 2 of concentrated denture cleaning liquid as described herein, a resealable receptacle 3 provided with a removable holder 4, shaped to accommodate dentures, and a tooth brush 5.
  • the user may put the concentrated denture cleaning liquid 2 in the receptacle 3 up to a first level indicator A, and then dilute with water up to a second level indicator B to obtain the desired dilution.
  • Dentures may be placed in the denture holder 4, the dentures may be immersed into the diluted cleaning liquid, for instance for 5 minutes. The cleaning liquid will spread into the holder 4 through apertures 6 provided in the bottom thereof.
  • the lid 7 of the receptacle 3 may be sealed liquid-tight.
  • the cleaning may be enhanced by using the brush 5, which is a hand brush in this case but could also be a disposable brush top for use in aa mechanical or ultrasonic electrical tooth brush.
  • the cleaning liquid may be rinsed off the cleaned dentures using water, and the cleaning liquid may be disposed.
  • Similar kits may be provided for dental braces or dentist's tools, wherein the shape of the receptacle 2 may be modified to accommodate the object to be cleaned.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Emergency Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Inorganic Chemistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Cosmetics (AREA)

Abstract

La présente invention concerne une composition nettoyante, qui est destinée au nettoyage d'objets dentaires tels que les arcs dentaires, des prothèses et/ou les outils de dentistes, et qui comprend de l'acide lactique. Les liquides de nettoyage des prothèses selon l'invention s'avèrent produire un effet nettoyant amélioré, ce qui permet d'obtenir des temps de nettoyage plus courts. Cette composition nettoyante est efficace contre divers types de contamination, y compris les taches de tabac et de café, les micro-organismes, et le tartre. L'invention concerne également un kit et un procédé pour le nettoyage d'objets dentaires.
EP12714084.6A 2011-03-23 2012-03-22 Composition nettoyante pour objets dentaires, kit et procédé Withdrawn EP2689002A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2006460A NL2006460C2 (en) 2011-03-23 2011-03-23 Cleaning composition for dental objects, kit and method.
PCT/NL2012/050178 WO2012128629A1 (fr) 2011-03-23 2012-03-22 Composition nettoyante pour objets dentaires, kit et procédé

Publications (1)

Publication Number Publication Date
EP2689002A1 true EP2689002A1 (fr) 2014-01-29

Family

ID=45953200

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12714084.6A Withdrawn EP2689002A1 (fr) 2011-03-23 2012-03-22 Composition nettoyante pour objets dentaires, kit et procédé

Country Status (3)

Country Link
EP (1) EP2689002A1 (fr)
NL (1) NL2006460C2 (fr)
WO (1) WO2012128629A1 (fr)

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US11006629B2 (en) 2008-11-20 2021-05-18 Armis Biopharma, Inc. Antimicrobial, disinfecting, and wound healing compositions and methods for producing and using the same
US8871699B2 (en) 2012-09-13 2014-10-28 Ecolab Usa Inc. Detergent composition comprising phosphinosuccinic acid adducts and methods of use
US9752105B2 (en) 2012-09-13 2017-09-05 Ecolab Usa Inc. Two step method of cleaning, sanitizing, and rinsing a surface
US20140308162A1 (en) 2013-04-15 2014-10-16 Ecolab Usa Inc. Peroxycarboxylic acid based sanitizing rinse additives for use in ware washing
US9994799B2 (en) 2012-09-13 2018-06-12 Ecolab Usa Inc. Hard surface cleaning compositions comprising phosphinosuccinic acid adducts and methods of use
US9561161B2 (en) * 2013-05-07 2017-02-07 Michael Florman Method of cleaning an oral appliance
US20210077438A1 (en) 2017-07-07 2021-03-18 Armis Biopharma, Inc. Compositions and methods for remediating chemical warfare agent exposure and surface decontamination
US20220226086A1 (en) * 2019-06-14 2022-07-21 Armis Biopharma, Inc. Compositions for cleansing removable dental prosthetics
IT202000027849A1 (it) * 2020-11-20 2022-05-20 Labs S R L Composizione per la disinfezione di superfici

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EP1027827A1 (fr) * 1998-05-28 2000-08-16 Mandalay Inversiones, S.L. Composition desinfectante
EP1266571A1 (fr) * 2001-06-15 2002-12-18 Oftrai, S.L. Nouvelle composition désinfectante et antiseptique

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Also Published As

Publication number Publication date
WO2012128629A1 (fr) 2012-09-27
NL2006460C2 (en) 2012-09-25

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