EP0794714B1 - Materiau et appareil permettant de brosser les surfaces de dents ou de protheses dentaires - Google Patents

Materiau et appareil permettant de brosser les surfaces de dents ou de protheses dentaires Download PDF

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Publication number
EP0794714B1
EP0794714B1 EP95941032A EP95941032A EP0794714B1 EP 0794714 B1 EP0794714 B1 EP 0794714B1 EP 95941032 A EP95941032 A EP 95941032A EP 95941032 A EP95941032 A EP 95941032A EP 0794714 B1 EP0794714 B1 EP 0794714B1
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EP
European Patent Office
Prior art keywords
cleaning elements
cleaning
material according
foundation body
tooth
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EP95941032A
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German (de)
English (en)
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EP0794714A1 (fr
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Rainer Dr. Hahn
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • 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

Definitions

  • the invention relates to a material for cleaning Surfaces of teeth and denture materials according to the preamble of claim 1 and a device for cleaning surfaces of teeth and denture materials with one made from such a material Piece of cleaning material.
  • Such a cleaning material and such Cleaning devices are known from US Pat. No. 4,030,845.
  • the known material comprises a semi-rigid bendable Base material, which groups of straight bristles and loop-shaped bristles.
  • a tooth cleaning device is described in DE 94 08 268 U1, which as cleaning elements have very thin fibers includes. These are of a coat that stabilizes them surrounded, which in turn in an elastic base layer is embedded. Alternatively, the thin cleaning elements carried by wire-like elastic elements be in turn embedded in a brush head are.
  • Tooth cleaning devices have also been proposed have the elastic foam body (DE-A-36 21 815). These roughly nestle against the tooth surface to One is cleaning the fine surface relief again relying on toothpastes.
  • the present invention aims to provide a material for cleaning teeth further developed according to the preamble of claim 1 be that with him easily and in a short time reliable, residue-free cleaning of the surface relief Tooth and denture surfaces is obtained.
  • the pole chain is the chain in which the Carpet production from the warp thread right side (front) of the carpet becomes. According to DIN 61 151, these are poles Thread pieces of the pile or pile chain, which are between extend the tying or gluing points.
  • the tooth cleaning device shown in Figure 1 has one Handle 10, on which a total designated 12 Cleaning head is detachably attached, e.g. postponed or clipped on.
  • the cleaning head 12 has a flat hollow body trained head body 14 with a rear wall 16 and a front wall 18 and one of these two walls connecting curved edge wall 20.
  • the head body 14 is thus seen essentially in a transverse sectional view rectangular, with the narrow sides of the rectangle are semicircular.
  • a cleaning covering 22 is fitted onto the front wall 18, e.g. glued on (adhesive layer 23) or welded on or attached with a Velcro fastener.
  • the cleaning surface 22 has a flexible base body 24, which is a fabric, knitted fabric, braid, knitted fabric, fleece, a felt, a laid scrim, a film or a composite material be made from several of the aforementioned materials can.
  • Thread-like cleaning elements are on the base body 24 26 first length and thread-like cleaning elements 28 second, longer length attached in the manner of pile threads.
  • the cleaning elements can be attached to the base body on the one hand by pulling in, weaving, gluing or welding of fiber loops or by that fiber sections of the base body are loop-shaped be led out of this, the ends of the Fiber loops can then be cut open.
  • Preferably done fixing the cleaning elements to the base body that the basic body provided with cleaning elements impregnated with a synthetic resin, which after hardening firmly connects the cleaning elements to the base body and at the same time a certain elasticity to the basic body Stiffness gives. Details will be given later described in more detail.
  • multifilament cleaning elements are provided per cm 2 , each comprising 30 individual filaments. Both the short cleaning elements 26 and the long cleaning elements 28 are unraveled at their ends, and the short cleaning elements 26 are additionally crimped and form a felt-like structure. So you have about 12000 active ends of single filaments per cm 2 . This number can be further increased by increasing the number of individual filaments in the individual cleaning element or by setting the same even more densely.
  • the material is a knit velor with two different ones Polyester threads, which are both the main body and also form the two types of cleaning elements.
  • the diameter of the multifilament fibers is approx. 0.5 mm.
  • the basic knitted fabric (basic body) has a weight per unit area of 120 g / cm 2 and is coated with a synthetic resin backing of 75 g / cm 2 .
  • the pile fiber material has a total basis weight of 536 g / cm 2 , of which half is in fibers of 2.3 dtex and 13.9 dtex.
  • Modified such knitted velor materials have a density of 100 to 800 cleaning elements per cm 2 .
  • the optimal density of cleaning elements in individual cases depends on the material from which the cleaning elements consist of their cross-section, their structure (multifil ./. monofil), their conditioning (texturing, Coating, etc.), from their protrusion over the base body, on the properties of neighboring cleaning elements (e.g. length difference, stiffness difference) and also from the grouping or area distribution of the Cleaning elements.
  • the cleaning elements 26 in transverse strip-shaped areas 30 of the Cleaning pad 22 arranged while the long cleaning elements 28 in intermediate transverse strip-shaped areas 32 are provided.
  • the cleaning head 12 seen in supervision about the shape of a peanut, whereby the long axis of the cleaning head is dimensioned that the working surface of the cleaning head two to three Cover adjacent teeth (approx. 15 to 30 mm) can while the height of the cleaning head 12 the height corresponds to a tooth crown (about 5 to 15 mm, preferably about 10 mm).
  • the stripes run Areas 30 and 32 in the longitudinal direction of the cleaning head. Furthermore, is at the edge of the cleaning surface 22 a garland-shaped or coiled further cleaning element 34 (or a plurality of such cleaning elements) intended.
  • the cleaning surface 22 is composed of several parts: In a drop-shaped one on the left in the drawing Part 36 of the cleaning surface 22 are the stripe-shaped Areas 30 and 32 arranged longitudinally while in the one on the right forming the rest of the work surface Part 38 of the cleaning surface 22 the strip-shaped Areas 30 and 32 are oriented transversely.
  • the cross-sectional shape shown in the drawing with concave curvature of the working side is obtained when the cleaning head 12 non-positively on a tooth surface touches down, with the front wall of Base body 24 and foam layer 40 corresponding to the Curvature of the tooth surface is curved. Because the foam layer 40 on the working side of the cleaning head 12 is only thin, the base body 24 can be exercised of pressure on the cleaning head 12 under elastic Deformation of the actual surface of the cleaned Adjust the tooth.
  • the base body 24 On the back reinforced by the foam layer 40 the base body 24 is also a connecting part 42 molded, which is provided with a locking rib 44 which can be clipped into a locking groove 46, which is provided in the end of the handle 10.
  • foam layer 40 instead of the foam layer 40, one can also Use a layer of another elastic plastic, especially the base body with a Soak elastic synthetic resin after curing.
  • the short cleaning elements 26 formed by crimped pieces of thread.
  • the longer ones Cleaning elements 28 are twisted multifilament thread pieces.
  • the long cleaning elements 28 are but the free end sections dissolved, so that the individual tuft-forming filaments 48 of the cleaning elements 28 work with the tooth surface can.
  • These filaments can be in the presence of Tooth pockets 50 between the outside of the considered Tooth 52 and the adjacent gums 54 in the Move the top section of the tooth pocket in and there remove existing contaminants, especially bacteria, Food residues and plaque.
  • the tooth cleaning device according to FIG. 5 has one adapted to the mean curvature of the tooth side surface Basic curvature in the transverse cross section of the cleaning head 12th
  • the basic body carrying the cleaning elements 26 and 28 24 is now in a made of elastic material Head bottom 56 embedded, the substantially circular arc has transverse cross-sectional geometry.
  • the top floor 56 again carries a connecting part 42 to the Attach to a handle.
  • the embodiment of Figure 6 largely corresponds that of Figure 5, with the proviso that the cleaning elements 28 towards the edge of the cleaning head 12 increasingly longer length and towards the center of curvature of the top bottom 56 extend. Same thing applies to the cleaning elements 26.
  • the form Cleaning elements 26, 28 a total of a work surface, whose curvature is slightly smaller than the curvature of the Side surface of tooth 52.
  • Some of the cleaning elements 26 and 28 are abrasive small particles 61 screwed in with in the drawing exaggerated size are shown and when untwisting the Cleaning elements are released.
  • fine particles e.g. fumed silica particles
  • Such fine abrasive particles are then used if you have strong, hard deposits or stubborn discolouration wants to remove.
  • a liquid treatment medium additionally use which deodorants, Flavors (e.g. mint) and active ingredients (e.g. Fluorides, chlorhexidine digluconate, enzymes or the like) contains.
  • This treatment medium 62 can e.g. from one Dropper bottle 64 are delivered. Instead of one You can also use liquid with a corresponding gel Use additives, which is therefore a toothpaste without corresponds to abrasive particles and is applied analogously.
  • the tooth cleaning device shown in FIG. 7 is of a general nature Structure of the tooth cleaning device according to the figure 4 comparable, with the difference that the head body 14 has a convexly curved working side and higher is as the head body shown in Figure 4. Because the reinforcing Foam layer 40 but now over a large one front area has very little wall thickness the head body 14 shown in FIG. 7 deforms slightly and so adapt the outer contour of the tooth 52.
  • the rear half is also of the tubular base body 24 in the rear Section of the foam layer 40 embedded which thus only the back of the head body 14 forms.
  • first elastic layer 66 and a second elastic layer 68 On the inside of the tubular head body 14 is also a first elastic layer 66 and a second elastic layer 68 applied.
  • Layer 68 is softer than layer 66 and has a front boundary surface which is less curved than the front boundary surface of layer 66.
  • Layers 66 and 68 is a progressive elastomeric block spring that is used in strong Press the cleaning head 12 against the tooth 52 in contact to the back of the through the thin section of the foam layer 40 reinforced base body 24 comes. On this way you get an elastic but strong Non-positive connection between the cleaning head 12 and the side Tooth surface.
  • the a user's finger 70 can be slid.
  • On the cleaning head 12 is also still one Cleaning elements occupied web 72 an elastic Clamping section 74 formed around the cleaning head 12 releasably to fix on the finger of the user.
  • this is the cleaning elements 26, 28 supporting body 24 on his Ends with fastening elements 76 shown as eyelets, 78 provided. These are in the free ends of a C-shaped Leaf spring 80 suspended under pretension, see above that the leaf spring 80 just the flexible base body 24 spread out.
  • the leaf spring 80 is in turn at one end neighboring point detachable (e.g. by a screw 82) with the driven part 84 one designated overall by 86 Vibrators connected, which integrated into the handle 10 is.
  • the vibrator 86 operates at a frequency in the range between 50 and 1000 Hz, preferably between 100 and 300 Hz, the amplitude A of the driven part 84 in Range between 1 ⁇ m and 1,000 ⁇ m, preferably between 200 ⁇ m and 500 ⁇ m.
  • the vibrator 86 is thus the basic body carrying the cleaning elements 26, 28 24 reciprocates, the main component of which Movement runs parallel to the handle axis.
  • pressing the base body 24 can adhere to a tooth surface elastic deformation of the leaf spring to the tooth surface to adjust. A smaller proportion of the output movement of the Vibrators 86 then also become perpendicular to the tooth surface Direction effective.
  • an ultrasound generator can also be used be used.
  • the bracket 80 can also to the driven part of a conventional electrical Toothbrush drive can be coupled.
  • the base body 24 with an elastic material 90 soaked and lasting to a shoe tip-like Geometry shaped. Lateral edges of the shaped body 24 sit in slots 91 of a head plate 92, which in turn into a matching end section 93 of a Handle is fitted and clipped.
  • the thickness and hardness of the material soaking the body 90 is selected so that the one in FIG. 11 is at the top Surface of the base body when brushing teeth usual contact pressure concave according to the average curvature the machined tooth surface is bent.
  • the head plate 92 a peripheral edge wall 92-1, which in a peripheral edge wall 93-1 of the holding section 93 fitted is.
  • a mounting pin 92-2 of the head plate 92 engages in a frictional and / or latching manner Attachment opening 93-2 of the holding portion 93.
  • the tooth cleaning device shown in FIG. 12 corresponds essentially that of Figure 1, wherein but a liquid channel 94 is provided in the head body 14 is. This has a plurality on the front of openings 96 through which a treatment liquid through the liquid-permeable base body 24 in the spaces between the cleaning elements 26, 28 can be directed from there to the Work surface of the cleaning head 12 to arrive.
  • the liquid channel 94 stands with a reservoir 98 for the treatment liquid in connection, which in Inside the handle 10 is housed and a Vent 100 with the ambient atmosphere in Connection is established. By shaking the handle 10 you can a small amount of treatment liquid through the openings 96 move.
  • the treatment liquid can be fluorides, for example or other active ingredients and / or plaque stain and / or contain flavors and / or small abrasive particles.
  • the cartridge-like storage container 98 can after removing a cover 102 provided at the end of the handle be replaced.
  • Figure 13 shows various examples of creation of a basic body carrying cleaning elements:
  • threads 104 are twisted multifilament threads, then untangle the free end section of the cleaning elements, so that you have a tuft of individual filaments 48 receives.
  • the production method shown in d) largely corresponds that in a), but the loops 106 are from the Extracted sections of the warp and / or weft threads of the fabric forming the base body 24. This can e.g. in the form of a knitted velor.
  • a fine tissue 114 made of one weldable plastic material such as propylene in folds laid (folds extend perpendicular to the plane of the drawing), and the lowest points of the bottom of Figure 13 Wrinkles are made with welds 116 as well weldable plastic material such as polypropylene Base body 24 connected.
  • weldable fabric 114 with the weldable base body 24 then the upper end portions 118 of the Fabric folds are cut off and you get this way having a very large number of small diameters individual cleaning elements (warp or weft threads of fine tissue 114), but very effective against micro-kinking are protected because they are in frictional engagement Adjacent tissue threads running perpendicular to them are held.
  • the cut open macroscopically Ends the folds of tissue 114 again a work surface that adapt to the macro contour of a tooth surface can.
  • the cleaning elements can each be coated be provided to influence their surface qualities. This is in the case of a monofilament cleaning element shown in Figure 14 (coating 120).
  • the coating material can either be such a which antifungal or antibacterial agents contains, or one that has a wear resistance improving material such as a silica preparation includes.
  • One can optionally in the coating also incorporate small abrasive particles.
  • Coating materials are silanes and silicones or Synthetic resins considered.
  • Figure 15 shows an example of the modification of the Properties of a cleaning element, its basic structure is a single filament thread 122.
  • a matrix material 124 which the various related the coating 120 addressed material components may comprise individually or in combination.
  • the Matrix material 124 obviously also becomes mechanical Strength, in particular the flexibility of the cleaning element deliberately modified.
  • FIG. 16 In the embodiment of Figure 16 are in a monofilament Cleaning element, which consists of a wearing Material is made, small abrasive particles 126 embedded. These are in use of the tooth cleaning element then successively exposed to e.g. stubborn Remove deposits from the tooth surface.
  • the free end portion is another Cleaning element shown, which consists of a multifilament thread made of a weldable plastic material such as Polyester is made.
  • a weldable plastic material such as Polyester
  • the massive end cap 128 can be thereby store a little softer that the end of the thread under turns on greater force, as shown in Figure 18.
  • the end cap 128 is then smaller than a number curved filament sections 130 with the main part of the Cleaning element in connection.
  • FIGS 19 to 21 show that the rigidity of a Cleaning element 28 (or other multifilament cleaning elements by increasing a lower one Main section 132 with a rigidity increasing Resin 124 soaks, a short end portion 134 against it leaves soaked. This is then predominant Part unraveled.
  • the cut looks lengthways the section line XXI-XXI similar to that in Figure 20 shown section, but the resin 124 is different can be.
  • cleaning head 12 shown in FIG one has a central area 136 of cleaning elements 26 and 28 with first medium length and first, high Density, i.e. small distance between the cleaning elements, and an edge area 138 with cleaning elements which in Medium are longer and softer and second, less Density are present, with the distribution between Cleaning elements 26 and 28 can be another and additionally the cleaning elements or a part thereof can also be made of another material.
  • threads 140 and 142 sewn between two base bodies 24, 24 ', which are kept apart.
  • the threads 140 which later form cleaning elements 28 are shown as simple lines. It these are twisted multifilament threads or monofilament threads, the ends of which are chemical Action can be split.
  • the threads 142 which later give the textured, curled cleaning elements 26 are marked by small circles (these circle marks thus do not illustrate the geometry of the Threads).
  • the threads 142 are pretreated so that they then by a physical and / or chemical Treatment to be ruffled. It can here e.g. around threads with a frozen stretch act. As can be seen from the drawing, follow in a thread row two threads 140 on two threads 142.
  • the double fabric shown in sub-figure a) is then cut in the middle by a knife, so that two separate base bodies 24 and 24 'are obtained, each carrying an associated set of pile fibers, as shown in sub-figure b).
  • a material that is also well suited as a cleaning material is a knitted velor with appropriate cleaning elements forming pile loops or pile threads.
  • Pieces of material separated from such material can directly or after shaping for cleaning of teeth or denture materials.
  • the base body 24 consists of any flexible Structure to which cleaning elements are attached in this way be that of the main surface of the main body run away, preferably in a direction perpendicular to this.
  • Such structures are in particular woven fabrics, knitted fabrics, Fleeces, felts or from the aforementioned materials manufactured composite materials.
  • a general further requirement for the used Materials is wear resistance and low solubility in the oral environment, especially in organic ones Acids.
  • Mineral fibers and chemical ones are particularly suitable Fibers made from natural polymers such as cellulose or protein or from synthetic polymers, in particular polyamide, Polyacrylic, polypropylene, polyurethane, polyvinyl chloride, Polystyrene, polysulfone and particularly preferably polyester.
  • vegetable fibers are also like Cotton, flax, linen, animal fibers such as wool or silk.
  • Thread cross sections e.g. a triangular thread cross-section be advantageous, e.g. if you want an additional one Cleaning effect through longitudinal edges of the cleaning elements is obtained.
  • the cleaning elements can be before or after their incorporation textured into the base, e.g. curled and / or be charged electrostatically. Furthermore they can at least on sections of their surface restructured or conditioned, that is, in its surface properties be modified. Have here proven physical or chemical processes. In particular, it is provided that the surfaces of the Cleaning elements are treated mechanically, e.g. can be brushed or sanded to the surfaces to roughen at least partially. Furthermore, you can Cleaning elements at least in sections of the same heat treat, e.g. around closed dome-shaped To create fiber ends or secondary and / or tertiary To obtain fiber structures, e.g. tangled or curled Structures. By irradiation, e.g.
  • the cleaning elements are also in condition different sections differently and / or can coat and / or impregnate.
  • the cleaning elements are attached to the base body basically so that the cleaning elements are similar to pile fibers attached to carrier fabrics essentially run vertically away from the body.
  • the cleaning elements can, however, also at a different predetermined angle be employed to the body area.
  • the individual cleaning elements can, as described above, be formed by individual loops of thread, which after they have been cut open a pile of open pile threads form.
  • the loops are thus preferred on the base body attached that only the cleaning side of the cleaning surface 22, but not the back of the fiber protrusions having.
  • the cleaning elements are fixed to the base body easiest by impregnating the base body and / or the foot portion of the cleaning element with a synthetic resin. Instead of or in addition to such an adhesive connection one can carry the cleaning elements Base body at least partially with a compact foam coat.
  • the cleaning surface can be placed on a surface that has a Foil or a flat piece of material, preferably made of Plastic or metal is attached, which one then at the same time as a holding element for the cleaning surface serves in which it is either part of a handle or as a fastener for fixed or detachable Connection with a separate handle is used.
  • the cleaning covering 22 For the production of the cleaning covering 22 are preferred monofilament fibers and multifilament fibers made of twisted Single filaments used, preferably are made of polyester.
  • monofilament fibers are used, their diameter becomes chosen between 1 ⁇ m and 500 ⁇ m, whereby monofilament Fibers with an average diameter between 1 ⁇ m and 100 ⁇ m and again preferably in the range between 1 ⁇ m and 50 ⁇ m have proven. It goes without saying that one also use fibers with a non-constant fiber diameter can, especially tapered fibers that only in its free end section a diameter in the have areas mentioned above.
  • the middle one lies Diameter between 5 microns and 1,000 microns, where diameter between 10 microns and 500 microns and in particular between 30 ⁇ m and 300 ⁇ m especially proven to have. It has proven particularly useful if you have the Diameter of the individual filaments of these fibers between one tenth and one five hundredth of the fiber diameter chooses, again preferably between one twentieth and a hundredth of the fiber diameter.
  • the flat base body preferably consists of a Base fabric made from a base fiber is. At least one pile fiber is like this in the base fabric incorporated that on the later as a cleaning page serving surface of the base fabric protrude pile loops, while the pile fibers on the back of the base fabric without fiber overhang. The protruding pole loops are then cut open, so that there is unilateral pile.
  • a basic body in the form of a knitted fabric is also suitable with unilaterally protruding loops that be cut open, for example in the manner of a knitted velor.
  • a multifilament pile fiber is particularly preferred, which at the cut fiber ends in a variety small individual filaments fanned out. This will make the total surface active for cleaning.
  • One with the dimensions of the bristle field one conventional toothbrush of comparable size of the cleaning surface 22 enables by the cleaning elements formed pile with an optionally pre-curved one Form of the cleaning surface a safe deposit removal of the spherically curved buccal and oral tooth surfaces and large parts of the approximal and occlusal tooth surfaces as well as in the area of the gingival sulcus.
  • Fiber protrusions of the pile loops have proven successful and / or pile fibers based on the level of the base fabric of between 0.5 mm and 15 mm, preferably between 2 mm and 10 mm and again particularly preferably between 4mm and 8mm, with a value around 8mm being the most preferred is.
  • the pile height is preferably not chosen uniformly; rather, be in different areas of the cleaning site of the cleaning surface 22 different supernatants on not cut pole loops and / or in the sense a pile of pile fibers cut open.
  • Here have particularly mixed surface structures proven with locally regular geometries, e.g. strip-shaped Arrangements of cleaning elements in different Areas of the cleaning surface different are oriented, e.g. in the longitudinal direction or transversal Direction of the cleaning head.
  • the cleaning elements 26 and 28 not only different lengths but also different ones Firmness and different texture, and they can also be made from different base materials consist.
  • the cleaning effect of the cleaning surface 22 can to further improve it by adding Another to the pile fiber mentioned above Pol fiber integrated into the basic fabric.
  • the fiber protrusion this further pile fiber points in the same direction like that of the first pile fiber, with the back of the cleaning surface 22 even after the introduction of second pile fiber preferably no fiber protrusions having.
  • the resulting pole loops of the second In the case of monofilament fibers, pile fibers remain preferred not cut open. Suitable as a second pile fiber a multifilament fiber, the loops of which are particularly good Also cut open at the end.
  • the second pile fiber preference is given to one in the sense of a Fiber crimp uses textured monofilament fiber.
  • textured monofilament fiber By selective texturing of the second pile fiber (e.g. use of modified from the first pile fiber Material that is elastically biased or which compared to chemical and / or physical conditioning processes, especially texturing, is more sensitive as the first pile fiber, fiber crimp is obtained the second pile fibers, so that these, especially in Case of multifilament fibers, partly with each other matted something.
  • the second pile fiber has proven particularly useful to be provided between two webs of the first pile fiber, because in this way the one formed by the first pile fiber Pile is stabilized and an early twisting of the open protrusion of the first pile fibers at the Tooth cleaning is avoided.
  • the fiber protrusion of the second pole loops and / or the second open Pile fibers can either be the same, higher or lower than that of the first pile fiber.
  • Has proven particularly successful a maximum of 5 mm, preferably between 0.5 mm and 2 mm smaller fiber overhang of the second pile fiber compared with the first pile fiber.
  • third and further pile fibers can be used or conventional bristles on the base fabric be attached. If bristles are used, they can also instead of the second pile fibers mentioned above be worked into the base fabric.
  • Fixing the bristles can either be on the base fabric or on adjacent ones Surface section of a head body or grip element.
  • the longitudinal edge areas of the cleaning covering 22 arrange a twisted fiber, which has a feather-like structure.
  • the individual spring-like loops can then be in the train the teeth cleaning by parallel movement of the Cleaning head to the rows of teeth far into the interdental spaces intervention.
  • the length of the cleaning surface 22 is with regard to the average width of two to three neighboring ones Teeth selected, the width of the cleaning surface 22 corresponds essentially to the average height a tooth crown. It has a typical cleaning surface in practice a length of 15 to 30 mm and a height from 5 to 15 mm, preferably a length of 20 mm and a height of 10 mm.
  • the cleaning surface 22 gives an improved Cleaning the proximal surfaces of the teeth and gingival sulcus.
  • the cleaning elements have a certain stiffness and also one if possible have small diameters to also recesses of the Clean fine surface reliefs from tooth surfaces to be able to.
  • the surface hardness of the used Cleaning elements may be slightly larger than the surface hardness the organic plaque structure to organic To be able to remove plaque. It is particularly advantageous it, the surface hardness of the cleaning elements something to choose larger than the surface hardness of in the sense calcified plaque from the beginning of tartar formation. To avoid wear and tear on healthy Dental hard tissue and common dental restoration materials however, one chooses the surface hardness of the cleaning elements smaller than that of the dental hard tissue or of the restoration materials.
  • the cleaning elements vary and are harder and softer Combine cleaning elements with different projections.
  • a tooth cleaning device as it is based on various Exemplary embodiments have been described above its fiber structure is one in comparison to conventional ones Toothbrushes have a significantly larger active cleaning surface compared to conventional bristles much smaller diameter of the active ends of the Cleaning elements an improved cleaning microscopic Allows surface structures.
  • the contact time required for cleaning the Cleaning head 12 compared to the tooth surface with conventional cleaning techniques can be significantly reduced. Due to the improved cleaning effect you can good even with less sophisticated cleaning techniques Get results by doing in almost any way the contact between the cleaning head 12 and the cleaning tooth surface can choose.
  • the tooth cleaning device described also good Results when removing smoky or tea deposits from the surfaces of teeth or dentures achieved.
  • a tooth cleaning device as described above is simply cleaned under running water after use and stored dry in ambient air. Instead can also be used for cleaning and / or storage choose a treatment liquid, e.g. a silica gel or one containing fluoride or chlorhexidine Solution. This prevents agglomeration the fibers with simultaneous disinfection.
  • the cleaning head can be stored up to for the next application from this treatment liquid with active ingredients or with fine abrasive particles be impregnated and / or to maintain its cleaning efficiency be chemically conditioned.

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Claims (38)

  1. Matériau pour brosser les surfaces de dents ou de prothèses dentaires, avec un corps de base (24) et une pluralité d'éléments de brossage (26, 28, 34, 58, 60, 110) portés par le corps de base (24), qui présentent de petites dimensions transversales en comparaison à leur longueur, le corps de base (24) étant une structure souple et flexible et les éléments de brossage (26, 28, 34, 58, 60, 110) étant portés par le corps de base, caractérisé en ce que les éléments de brossage (26, 28, 34, 58, 60, 110) sont portés par le corps de base (24) à la manière de boucles de poil ou de fils de poil.
  2. Matériau selon la revendication 1, caractérisé en ce qu'au moins une partie des éléments de brossage sont des monofilaments (110).
  3. Matériau selon la revendication 2, caractérisé en ce que le diamètre des éléments de brossage (110) sous forme de monofilaments est compris entre 1 µm et 500 µm, de préférence entre 1 µm et 100 µm, et d'une manière encore plus préférentielle entre 1 µm et 50 µm.
  4. Matériau selon la revendication 2 ou 3, caractérisé en ce que des tronçons terminaux des éléments de brossage (110) sous forme de monofilaments sont divisés (108).
  5. Matériau selon une des revendications 1 à 4, caractérisé en ce qu'au moins une partie des éléments de brossage (26, 28, 34, 58, 60) sont des fibres multifilaments.
  6. Matériau selon la revendication 5, caractérisé en ce que, dans des tronçons terminaux (128) d'au moins une partie des éléments de brossage (26, 28) sous forme de multifilaments, les filaments individuels (122) sont mutuellement assemblés.
  7. Matériau selon la revendication 6, caractérisé en ce que les filaments individuels (122) des fibres, au voisinage du tronçon terminal (128) où ils sont mutuellement assemblés, sont séparés les uns des autres et forment des tronçons de filaments élastiques (130).
  8. Matériau selon la revendication 5, caractérisé en ce que, dans des tronçons terminaux des éléments de brossage (26, 28), les filaments individuels forment une touffe de filaments (48).
  9. Matériau selon une des revendications 5 à 8, caractérisé en ce que le diamètre des éléments de brossage (26, 28) sous forme de multifilaments est compris entre 10 µm et 1000 µm, de préférence entre 10 µm et 500 µm, et d'une manière encore plus préférentielle entre 50 µm et 300 µm.
  10. Matériau selon une des revendications 5 à 9, caractérisé en ce que le diamètre des filaments individuels est inférieur au diamètre des éléments de brossage d'un facteur de 10 à 500, de préférence d'un facteur de 20 à 100.
  11. Matériau selon une des revendications 1 à 10, caractérisé en ce qu'au moins une partie des éléments de brossage (26, 28, 110) présentent respectivement une structure de base (124 ; 110) d'usure ou s'ouvrant en utilisation, et des particules abrasives (61 ; 126) portées par cette structure.
  12. Matériau selon une des revendications 1 à 11, caractérisé en ce qu'au moins quelques-uns (34) des éléments de brossage (26, 28, 34, 58, 60) sont en forme d'hélice ou de guirlande.
  13. Matériau selon une des revendications 1 à 12, caractérisé en ce que, parmi les éléments de brossage (26, 28, 34, 58, 60, 110), certains (26) sont d'une première longueur et d'autres (28) d'une deuxième longueur.
  14. Matériau selon la revendication 13, caractérisé en ce que les éléments de brossage (26) d'une première longueur et les éléments de brossage (28) d'une deuxième longueur sont disposés dans des régions intercalées (30, 32) en forme de bandes.
  15. Matériau selon la revendication 14, caractérisé en ce que des surfaces partielles (36, 38) du corps de base (24) sont occupées par des bandes d'orientations différentes, de préférence mutuellement perpendiculaires, d'éléments de brossage (26, 28) de différentes hauteurs.
  16. Matériau selon une des revendications 1 à 15, caractérisé en ce que le nombre d'éléments de brossage (26, 28, 34, 58, 60, 110) par unité de surface est différent dans différentes régions (136, 138) du matériau.
  17. Matériau selon une des revendications 1 à 16, caractérisé en ce que la longueur de saillie des éléments de brossage (26, 28, 34, 58, 60, 110) au-dessus du corps de base (24) est comprise entre 0,5 et 15 mm, de préférence entre 2 et 10 mm, et d'une manière encore plus préférentielle entre 4 et 8 mm, notamment est égale à environ 8 mm.
  18. Matériau selon une des revendications 1 à 17, caractérisé en ce qu'au moins une partie (26) des éléments de brossage (26, 28, 34, 58, 60, 110) sont texturés, par exemple afin de friser ces éléments de brossage.
  19. Matériau selon une des revendications 1 à 18, caractérisé en ce que la surface d'au moins une partie des éléments de brossage (26, 28, 34, 58, 60, 110) est au moins partiellement grattée.
  20. Matériau selon une des revendications 1 à 19, caractérisé en ce que les éléments de brossage (26, 28, 34, 58, 60, 110) sont traités avec un rayonnement riche en énergie, notamment un rayonnement ultraviolet, des rayons gamma ou des faisceaux électroniques.
  21. Matériau selon une des revendications 1 à 20, caractérisé en ce qu'au moins une partie des éléments de brossage (26, 28, 34, 58, 60, 110) sont imprégnés ou enduits d'un matériau (112 ; 124) augmentant leur rigidité.
  22. Matériau selon la revendication 21, caractérisé en ce qu'au moins une partie des éléments de brossage (26, 28, 34, 58, 60, 110) imprégnés ou enduits du matériau (112; 124) augmentant leur rigidité présentent un tronçon (134) qui n'est pas imprégné ou enduit, ou qui est imprégné ou enduit d'un deuxième matériau augmentant moins la rigidité
  23. Matériau selon une des revendications 1 à 22, caractérisé en ce qu'au moins une partie des éléments de brossage (26, 28, 34, 58, 60, 110) sont imprégnés ou enduits d'une substance active antibactérienne et/ou antimycosique.
  24. Matériau selon une des revendications 1 à 23, caractérisé en ce que le corps de base (24) est un tissu, un tricot, une tresse, un tulle, un voile, un feutre, une nappe de fils, une feuille ou une structure analogue, sur laquelle les extrémités des éléments de brossage (26, 28, 34, 58, 60, 110) sont fixées et qui est rigidifiée au moins sectoriellement par un matériau d'imprégnation élastique ou une enduction élastique.
  25. Matériau selon la revendication 24, caractérisé en ce qu'au moins une partie des éléments de brossage (26, 28, 34, 58, 60, 110) sont des tronçons de fils extraits du corps de base (24) constitué de fils.
  26. Matériau selon une des revendications 1 à 25, caractérisé en ce que le corps de base (24) porte en outre des poils de brosse (58, 60) ou est traversé par des poils de brosse, dont la longueur est inférieure à celle des éléments de brossage (26, 28, 34, 58, 60, 110).
  27. Appareil pour brosser les surfaces de dents ou de prothèses dentaires, caractérisé en ce qu'il comporte une pièce (22) de matériau selon une des revendications 1 à 26, qui possède une géométrie de section transversale convexe et est assemblée à un élément de maintien (14, 42, 74, 80, 92).
  28. Appareil selon la revendication 27, caractérisé en ce qu'il présente la géométrie de section transversale convexe par précontrainte élastique ou déformation plastique.
  29. Appareil selon la revendication 27 ou 28, caractérisé en ce que le corps de base (24) est disposé sur un corps de tête élastique (14) ou constitue une partie de ce dernier.
  30. Appareil selon une des revendications 27 à 29, caractérisé en ce que la pièce (22) de matériau est amenée à sa forme profilée avant, pendant ou après le durcissement d'un matériau d'imprégnation (90) ou d'enduction (40) infiltré dans le corps de base (24).
  31. Appareil selon une des revendications 27 à 30, caractérisé en ce que la dimension longitudinale de la pièce (22) de matériau est environ comprise entre 15 et 30 mm, de préférence est égale à 20 mm, et la largeur de la pièce (22) de matériau est environ comprise entre 5 et 15 mm, de préférence est égale à environ 10 mm.
  32. Appareil selon une des revendications 27 à 31, caractérisé en ce que deux extrémités mutuellement opposées de la pièce (22) de matériau sont pourvues de moyens de fixation (76, 78), sur lesquels un étrier de maintien (80) est monté de préférence avec précontrainte.
  33. Appareil selon une des revendications 27 à 32, caractérisé en ce que l'élément de maintien (14 ; 42 ; 74 ; 80 ; 92) est déplacé par l'élément de sortie (84) d'un vibreur (86), d'un générateur d'ultrasons ou d'un entraínement de brosse à dents électrique.
  34. Appareil selon une des revendications 27 à 33, caractérisé en ce qu'au moins une partie du bord de la pièce (22) de matériau présente un agencement d'éléments (34) de brossage en forme d'hélice ou de guirlande.
  35. Appareil selon une des revendications 27 à 34, caractérisé en ce que la longueur d'au moins une partie des éléments de brossage (26, 28) augmente en direction au moins une paire de bords opposés de la pièce (22) de matériau.
  36. Appareil selon une des revendications 27 à 35, caractérisé en ce qu'au moins une partie des éléments de brossage périphériques (60) de la pièce (22) de matériau sont inclinés en biais par rapport à la surface du corps de base (24).
  37. Appareil selon une des revendications 27 à 36, caractérisé en ce que le corps de base (24) est perméable aux liquides, et son côté opposé aux éléments de brossage (26, 28, 34, 58, 60, 110) communique avec un canal (94) d'alimentation en liquide de traitement, qui mène à un réservoir (98) de liquide de traitement logé dans une poignée.
  38. Appareil selon une des revendications 27 à 30, caractérisé en ce que le corps de base (24) est réalisé sous forme de doigtier.
EP95941032A 1994-11-28 1995-11-28 Materiau et appareil permettant de brosser les surfaces de dents ou de protheses dentaires Expired - Lifetime EP0794714B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4442001A DE4442001C2 (de) 1994-11-28 1994-11-28 Vorrichtung zur Reinigung von Zahn- oder Zahnersatzoberflächen
DE4442001 1994-11-28
PCT/EP1995/004676 WO1996016573A1 (fr) 1994-11-28 1995-11-28 Materiau et appareil permettant de brosser les surfaces de dents ou de protheses dentaires

Publications (2)

Publication Number Publication Date
EP0794714A1 EP0794714A1 (fr) 1997-09-17
EP0794714B1 true EP0794714B1 (fr) 2000-05-31

Family

ID=6534145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95941032A Expired - Lifetime EP0794714B1 (fr) 1994-11-28 1995-11-28 Materiau et appareil permettant de brosser les surfaces de dents ou de protheses dentaires

Country Status (5)

Country Link
US (1) US5953783A (fr)
EP (1) EP0794714B1 (fr)
AU (1) AU4257296A (fr)
DE (2) DE4442001C2 (fr)
WO (1) WO1996016573A1 (fr)

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Also Published As

Publication number Publication date
DE4442001C2 (de) 1998-04-16
DE59508436D1 (de) 2000-07-06
EP0794714A1 (fr) 1997-09-17
US5953783A (en) 1999-09-21
DE4442001A1 (de) 1996-06-05
AU4257296A (en) 1996-06-19
WO1996016573A1 (fr) 1996-06-06

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