WO2014053480A1 - Matrice permettant d'obturer des cavités d'une dent au moyen d'un matériau d'obturation - Google Patents

Matrice permettant d'obturer des cavités d'une dent au moyen d'un matériau d'obturation Download PDF

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Publication number
WO2014053480A1
WO2014053480A1 PCT/EP2013/070439 EP2013070439W WO2014053480A1 WO 2014053480 A1 WO2014053480 A1 WO 2014053480A1 EP 2013070439 W EP2013070439 W EP 2013070439W WO 2014053480 A1 WO2014053480 A1 WO 2014053480A1
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WO
WIPO (PCT)
Prior art keywords
filler neck
tooth
cavity
region
filling
Prior art date
Application number
PCT/EP2013/070439
Other languages
German (de)
English (en)
Inventor
Hubert KRÄ
Original Assignee
Krä Hubert
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 Krä Hubert filed Critical Krä Hubert
Priority to EP13771475.4A priority Critical patent/EP2753266A1/fr
Publication of WO2014053480A1 publication Critical patent/WO2014053480A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/80—Dental aids fixed to teeth during treatment, e.g. tooth clamps
    • A61C5/85—Filling bands, e.g. matrix bands; Manipulating tools therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/60—Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
    • A61C5/62—Applicators, e.g. syringes or guns

Definitions

  • An object to be solved is to provide a die, by means of which a hole in a tooth is particularly easy to replenish, without leaving behind any disturbing remnants of a filling material outside the hole.
  • the die comprises an elastically deformable plastic lamella in which at least one hole is made.
  • the plastic lamella nestles dimensionally stable after being placed on a surface of a tooth to this.
  • dimensionally stable means that the plastic lamella does not deform or deform itself after it has been arranged on the surface of the tooth and adapted to this surface
  • Plastic lamella form-fitting after placement that is, without the formation of a gap or a distance between the plastic lamella and the tooth, can be arranged on the tooth, for example by applying pressure to the die in the direction of the tooth.
  • the die comprises a filler neck for passing a filling material in the direction of the hole of the tooth, wherein the filler neck is formed with at least one wall of a predeterminable wall thickness. At the same time the wall forms a extending along a main extension direction of the filler neck through cavity.
  • the filler neck is permeable not only to, for example, air, but in particular also to the filling material so that it can be passed from one end to another end of the filler neck either without resistance or by applying an external pressure to the filler material.
  • the filling material is preferably a plastic which is liquid or viscous at room temperature.
  • both the filler neck and the plastic lamella are formed with at least one material which is radiation-permeable to electromagnetic radiation in the visible or ultraviolet spectral range.
  • Radiadiation-transmissive in this context means that this material is at least 80%, preferably too
  • the filler neck and the plastic lamella are formed with the same material, preferably the filler neither in the liquid nor in the viscous and / or in a cured state, such as glue-like, adheres to the material of the Filler neck and the plastic lamella Clogging of the filler neck can thus be avoided.
  • the filler neck opens directly into the plastic lamella at one end.
  • "Direct” in this context means that no further elements or intermediate stages are installed between the filler neck and the plastic lamella, whereby the cavity of the filler neck overlaps at least in places with the hole in This allows the liquid or viscous filling material to be introduced into the filler neck via a free end of the filler neck facing away from the plastic lamella and then to exit the hole in the plastic lamella once it has passed through the filler neck.
  • the plastic lamella and the hole introduced therein at least in places over the hole of the tooth attached derives the entire template over the filler neck, the filler directly and accurately into the hole.
  • the plastic lamella nestled dimensionally stable on the surface of the tooth around the hole, this prevents leakage or spilling of the filling material, which was first introduced into the hole, on the remaining surface of the tooth surrounding the hole.
  • only the hole can be completely filled with the filling material, without contaminating other areas of the tooth, in particular the surface of the tooth surrounding the hole, from the filling material.
  • the present invention is based, inter alia, on the idea of placing the matrix in advance and to introduce the filler in a targeted manner only after placing on the tooth on the die in the hole. It can therefore be worked with considerably less excess on the tooth surface and basically facilitates a targeted filling of the hole with the filler.
  • the problem is avoided that sucks over a capillary effect blood and / or saliva between the filler and the hole before positioning a die according to the prior art in addition to poor visibility of the treating agent on a filling edge.
  • the die for filling holes comprises an elastically deformable plastic lamella, in which at least one hole is introduced and which, after placement on a surface of a tooth, conforms to it in a dimensionally stable manner.
  • the die comprises a filler neck for passing a filling material in the direction of the hole of the tooth, wherein the filler neck is formed with at least one wall of a predetermined wall thickness and the wall forms a continuous cavity extending along a main extension direction of the filler neck.
  • both the filler neck and the plastic lamella are formed with at least one material which is radiation-permeable to electromagnetic radiation in the visible or ultraviolet spectral range.
  • the filler neck opens at one end directly into the plastic lamella, wherein the cavity of the filler neck overlaps at least in places with the hole in the plastic lamella in the main extension direction of the filler neck.
  • the filler neck and the plastic lamella are integrally formed with each other.
  • “In one piece” means that the filler neck and the plastic lamella are not fastened separately to one another, for example by means of an adhesive cast in one piece, for example, and thus produced, resulting in a particularly cost-effective production of the die.
  • the cavity is formed in the shape of a cylinder.
  • the filler neck can then have the shape of a cannula, which can be manufactured in a particularly simple and cost-saving manner.
  • the cavity is formed with a first region and a second region of the filler neck.
  • "Region” in this context means first any three-dimensional, ie in particular non-planar, shape or structure, the regions comprising both the wall of the filler neck and the cavity enclosed by the wall.
  • the first region ends with one end directly into the plastic lamella, wherein the second region directly adjoins the first region and is arranged at a distance from the plastic lamella through the first region.
  • the second area and the plastic lamella do not touch.
  • the first area therefore serves "as a spacer" to the plastic lamella.
  • a partial cavity of the second region at at least one location has a larger cross-sectional area in a direction perpendicular to the main extension direction than a partial cavity of the first region.
  • the two subspaces of the respective regions form the cavity formed overall by the wall of the filler neck.
  • the two subregions are configured differently in their orientation to the plastic lamella and / or shape.
  • the partial cavity of the first region and the partial cavity of the second region are each in the form of a cylinder, wherein the partial cavities in the main extension direction of the filler neck directly merge into one another via at least one step
  • Partial cavities no further elements are arranged.
  • the step which also represents a boundary line between the two partial cavities in the direction transverse to the main extension direction, is formed by a material of the wall.
  • the first part cavity may have a larger diameter than the second part cavity, ie that in the direction of the main extension direction towards the plastic lamella, the entire cavity can narrow in its cross-sectional area. Characterized in that the first part of the cavity has a larger diameter than the second part cavity, this facilitates filling of the filling material at the free end of the filler neck, the constriction ensures improved fixation and targeted positioning of the filler in the hole due to the smaller diameter of the second part cavity ,
  • the partial cavity of the second region is in the form of a truncated cone or a truncated pyramid, which opens in the direction away from the plastic lamella.
  • the partial cavity in the first area has the shape of a cylinder.
  • the second area opens conically.
  • any other shape of the opening which has one or more laterally towards the plastic blade to a center of the cavity inclined side surfaces.
  • Such an opening can then also be referred to as funnel-shaped.
  • a transition from the first partial cavity into the second partial cavity is stepless. This means in particular that the transition is not formed in the form of a step.
  • the filling material is in turn transported through the first region in a particularly simple and targeted manner into the hole of the tooth due to the decreasing diameter of the second region.
  • the funnel-shaped configuration of the second part of the cavity through the tapered side walls allows even easier filling of the filler neck with the filler.
  • a partial cavity of the second region and a partial cavity of the first region are each in the form of a truncated cone or a truncated pyramid, wherein the respective smaller end surfaces of the partial cavities are arranged facing each other.
  • the end faces are in each case imaginary surfaces, for example the frustoconical surfaces which delimit the cavities from one another.
  • a transition from the first partial cavity into the second partial cavity is gradual.
  • Such an arrangement of the partial cavities causes the formation of a bottleneck in the filler neck through the wall of the filler neck in the transition from the first to the second region and vice versa, which is generated by the respective tapered or truncated pyramid side surfaces formed by the wall.
  • At least one holding element for fixing the plastic lamella to the tooth is formed laterally offset from the filler neck in or on the plastic lamella by means of a fixing element.
  • the fixing element can be, for example, a continuous and coherent force transmission element, for example dental floss.
  • the dental floss is circumferentially and positively clamped around the tooth, whereby the plastic lamella is pressed onto the surface of the tooth via the forces generatively generated by the dental floss, which act on the holding element.
  • the entire matrix is pressed onto the surface of the tooth and fixed there over the hole in the tooth.
  • the holding element is formed with at least two abutments, which are arranged on a surface of the plastic lamella facing the filler neck, and wherein the fixing element can be hooked into the barb.
  • the barbs may be integrally formed together with the plastic lamella and / or the filler neck.
  • the fixing element is clamped for fixing in the barbs, whereby, as described above, a fixation of the fixing element on the lamella and a concomitant fixation of the entire matrix takes place on the tooth.
  • the barbs are arranged in a direction perpendicular to the main extension direction of the filler neck on both sides of the filler neck.
  • the barbs allow a particularly simple and quick hooking of the fixing, for example, the dental floss, to make it possible to fill the hole as smoothly and quickly as possible.
  • This embodiment has the additional advantage that the fixing element, that is, for example, the dental floss, can already be hooked into the plastic lamella via the barbs prior to attachment to the tooth.
  • the holding element is formed with at least two holes in the plastic lamella, wherein the fixing element is threadable into the holes. Again, the holes can be arranged on both sides of the filler neck.
  • the holes offer the additional advantage that the fixing element, so for example, the dental floss, before the attachment to the tooth connected to the plastic lamella, that is, knotted, can be. Such holes are also particularly easy to produce by means of a stamping process or, for example, a casting process.
  • the holding element is designed as a prestressed clamp which can be clamped onto a tooth via its two clip ends.
  • at least one clip end has at least one opening through which the filler neck can be passed.
  • a clip ensures a particularly fast attachment of the die.
  • the filler neck of the female after the application of the die, on the tooth and over the hole in the tooth, passed through the opening in a clip end and the clip circumferentially around the tooth, so that the other clip end of each of the die opposite surface of the tooth, on the tooth, finds firm hold and is thus under tension.
  • the holding element is formed with at least one material which is radiation-permeable for electromagnetic radiation in the visible or ultraviolet spectral range.
  • the holding element is formed with at least one material which is radiation-permeable for electromagnetic radiation in the visible or ultraviolet spectral range.
  • the holding element is formed with at least one metal. This has the advantage that such a holding element is particularly resistant to aging. In other words, even after repeated sterilization, the clamp has no externally visible damage to the material.
  • the holding element has, in addition to the opening, at least one irradiation opening.
  • the irradiation opening can be arranged in the clamped state in the region of the plastic lamella. If the holding element is flat or wide, this can lead to the already mentioned shadowing of the hole and / or substantial parts of the tooth.
  • the irradiation openings allow the operator at least selective insight into the area to be treated and also allow irradiation through the irradiation opening.
  • the filler neck has at least one predetermined breaking or grinding point along which essential parts of the filler neck can be removed.
  • substantially means that the filler neck can be removed by at least 80%, preferably by more than 90%, of the overall extent of the filler neck hardness pre-thinned area in which the filler neck is particularly easy abradable or breakable compared to the rest of the area.
  • the formation of such a predetermined breaking or set grinding point is based inter alia in the recognition that the removal of the die, still comprising the filler neck, due to the design of the filler works disturbing for the processor. Now that the filler neck is removed, the operator can much easier to get to the plastic lamella itself, in order to remove them easier and with less effort.
  • the filling system comprises a die according to one of the preceding claims, i. the features listed for the die described herein are also disclosed for the filling system described herein.
  • the filling system comprises a filling device, comprising a reservoir for the filling material, as well as a filling neck, through which the filling material can be led out of the reservoir, through the filling neck, out of the reservoir.
  • the filler neck can be inserted precisely into the cavity in the region of a free end (ie in the partial cavity of the second region) of the filler neck.
  • “Precisely fitting” means that there is preferably neither a gap nor an interruption between the filler neck and the wall of the filler neck
  • Such an embodiment of the filler neck has the advantage that no or as little as possible filler material exits from the filling system during the transition from the filler neck into the filler neck, so that an undesirable leakage, from which the filler material exits, can be avoided.
  • a die according to at least one of the preceding claims is provided.
  • the die is placed over the hole of the tooth, wherein the cavity of the plastic lamella overlaps with the hole at least in places in the main extension direction of the filler neck.
  • the filling nozzle of the filling system is inserted into a free end of the filler neck, wherein after insertion of a positive, stable connection between the filler neck and the filler neck is made.
  • filling material is filled from the reservoir via the two nozzles in the hole of the tooth.
  • the filling material is cured by irradiation of the filling material through the matrix with electromagnetic radiation in the visible or ultraviolet spectral range.
  • the filling system is removed from the matrix and in a next step the template is removed from the tooth.
  • the method shows the advantages mentioned above, which result in particular in that first the die is placed over the hole of the tooth and then the filler material is introduced in a targeted manner through the die into the hole. Therefore, any excess of the filling material emerging from the hole will not reach the tooth surface surrounding the hole, thereby preventing damage to the tooth or interfering contaminants. In addition, it can be dispensed with a disadvantageous cleaning of the excess material from the surface of the tooth, which after removal the die of the tooth, the filler material is located exclusively in the hole and cured there.
  • the filler neck is first removed from the plastic lamella along a predetermined breaking or set grinding point. In the process, the plastic lamella is then removed from the tooth.
  • FIGS. 1A to 1K show perspective views of various embodiments of a die described herein.
  • FIGS. 2A to 2C show schematic side views of matrices shown in FIGS. 1A to 1C.
  • FIG. 3 shows a schematic plan view of the die shown in FIG. 1C.
  • FIG. 4 shows a schematic side view of the die shown in FIG.
  • Figures 5A to 5B show a filling system as described herein and the method for filling holes of a tooth described herein by means of the filling system comprising the die and the filling device.
  • FIG. 1 A shows a template M described here with a plastic lamella 1 on the basis of a schematic, perspective view.
  • the plastic lamella 1 is elastically deformable, in which a hole 2 is introduced and which conforms to a dimensionally stable after placement on a surface 21 of a tooth 3 (see FIG. 3).
  • a filler neck 4 for passing a filling material 5 in the direction of the hole 2 of the tooth 3 is shown (see also Figure 5A).
  • the filler neck 4 is formed with at least one wall 41 of a predeterminable wall thickness 41 1, wherein the wall 41 is formed along a main extension direction 100 of the filler neck 4 extending through the hollow space 42.
  • the filler neck 4 and the plastic lamella 1 are formed with at least one material which is radiation-permeable to electromagnetic radiation in the visible or ultraviolet spectral range.
  • the filler neck 4 opens at one end 45 directly into the plastic lamella 1, wherein the cavity 42 of the filler neck 4 overlaps at least in places with the hole 2 in the plastic lamella 1 in the main extension direction 100 of the filler neck 4.
  • the filler neck 4 and the plastic lamella 1 are presently formed integrally with each other.
  • the plastic lamella 1 is formed flat and has a continuous, positive curvature in the direction away from the filler neck 4.
  • FIG. 1B shows in a schematic, perspective view a further exemplary embodiment of a die M described here.
  • the die M according to FIG. 1B has a cavity 42, which is provided with a first region 43 and a second region 44 of the filler neck 4 is formed.
  • the first region 43 opens with its end 45 directly into the plastic lamella 1.
  • the second region 44 adjoins directly to the first region 43 and is arranged at a distance from the plastic lamella 1 by the first region 43.
  • a partial cavity 224 of the second region 44 has at at least one point a larger cross-sectional area Q in a direction perpendicular to the main extension direction 100 as a partial cavity 223 of the first region 43.
  • a side view of the die shown in FIG. 1B is shown in FIG. 2C.
  • the partial cavity 224 of the second region 44 is in the form of a truncated cone, which opens conically in the direction away from the plastic lamella 1 and a transition from the first partial cavity 223 into the second partial cavity 224 is stepless.
  • the second partial region 224 tapers from a view in the direction of the plastic lamella 1, in order to then steplessly merge into the first partial cavity 223.
  • the partial cavity 224 in the first region 43 is designed in the form of a cylinder.
  • FIG. 1C shows a schematic, perspective view of a further exemplary embodiment of the die M which, in contrast to the exemplary embodiment according to FIG. gur 1 A shows a holding element 6, which is formed with at least two barbs 61 which are arranged on a filler neck 4 facing surface 11 of the plastic lamella 1.
  • a fixing element 5 can be hooked into the barbs. If the fixing element 5 is floss or another thread, it can already be hooked into the tooth, for example, before the plastic lamella 1 is applied to the tooth. Thereafter, the plastic lamella 1 itself is fixed by means of, for example, the dental floss and its firm knotting behind the tooth 3 (as also shown in the figure).
  • FIG. 1D shows in a further perspective side view a further embodiment of the die described here.
  • this has a holding element 6 which is formed with two holes 62 which are made in the plastic lamella 1.
  • the fixing element can also be threaded into the holes 62 prior to arranging the plastic lamella 1 on the tooth 3.
  • FIG. 1E shows in a further perspective side view a further exemplary embodiment of the die described here.
  • the holding element 6 is designed as a clamp. This has two clip ends 63, wherein in a clip end 63 an opening 631 is introduced. The filler neck 4 is passed through the opening 631, wherein the other clip end 631 is fixed behind the tooth with the application of pressure. In this case, the other clip end 63 is hooked bügeiförmig with the tooth 3. Thus, the holding element 6 firmly presses the die M against the tooth 3.
  • the holding element 6 is clamped on the tooth 3 in a "headphone-like manner" and thus circumferentially surrounds the tooth 3 in the vertical direction
  • a head region 632 of the holding element 6 which is in the mounted state
  • At least two adjustment holes 632a, 632b are inserted into the holding element 6.
  • a pair of pliers can be introduced, by means of which the pretensioning is released, and the holding means 6 are removed again from the die and the tooth 3 can.
  • FIG. 1F and 1G show the die shown in Figure 1 E in further perspective views.
  • FIG. 1H shows in a further perspective side view a further exemplary embodiment of the die described here.
  • the holding member 6 is indeed designed as a clip, but executed in the horizontal direction, perpendicular to the vertical direction to the tooth umrum.
  • the clip ends 63 are bent in the horizontal direction, starting from the vertical direction.
  • Such a bracket can be used in particular in the modern Interdenta! Squaring technique and in connection with a rubber dam technique.
  • FIG. 11 shows in a further perspective side view a further embodiment of the die described here.
  • a stress absorber 6322 in the present case in the form of a screw, is screwed into the head region 632.
  • the tensioning action 6322 is screwed into the retaining element 6 as far as it will go on the tooth 3 and generates a tension pressure such that the two clip ends 63 are pressed onto the tooth 3, that is, pulled together.
  • Such a tension load 6322 thus forms a vertical adjustment and thus ensures a particularly mechanically strong fixing. A slipping of the die M in the tapered root near region of the tooth 3 can thus be avoided.
  • FIG. 1J shows in a further perspective side view a further embodiment of the die described here.
  • the holding element 6, in particular in the area of the plastic lamella 1 has irradiation openings 64. These are introduced into the plastic lamella 1.
  • the matrix M is formed with a metal which is substantially radiation-impermeable.
  • the irradiation openings 64 allow the operator at least selective insight into the area to be treated and also allow irradiation through the irradiation openings 64 and the matrix.
  • FIG. 1K shows a perspective view of the exemplary embodiment shown in FIG. 1H.
  • the holding element 6, in particular shown in this example can be clamped, widened and / or removed again in a particularly simple manner by means of a release tongs 635, in particular a rubber dam nipper, arranged on the holding element 6 and in particular.
  • Figures 1 L and 1 M each show a perspective view of another embodiment of the template described here. Between the holding member 6 and the tooth 3, the die M is then clamped.
  • the retaining element 6 shown in particular in this example can be particularly easily clamped and also removed again with a rubber dam 636 provided on the retaining element 6 and also for this purpose (see FIG. 1 N).
  • FIG. 2A shows a schematic side view of the exemplary embodiment according to FIG. 1A.
  • the partial cavity 224 of the second region 44 and the partial cavity 223 of the first partial region are each designed in the form of a truncated cone, wherein the respectively tapering ends of the partial cavities 224, 223 are arranged facing each other.
  • a transition from the first partial cavity into the second partial cavity is stepless. Visible in this view is particularly easy a bottleneck 200 in the filler neck 4 at the transition from the first region 43 in the second region 44 and vice versa, which is generated by the respective smaller frustoconical surfaces of both partial cavities 223, 224, which are facing.
  • FIG. 2B shows a further exemplary embodiment in a schematic side view, in which the partial cavity 223 of the first region 43 and the partial cavity 224 of the second region 44 are each in the form of a cylinder, wherein the partial cavities 223, 224 in the main extension direction 100 of the filler neck 4 pass directly into each other via at least one stage 5.
  • the second partial cavity 224 has a larger cross-sectional area Q than the first partial cavity 223.
  • FIG. 2C shows, in a schematic side view, the matrix A already shown in FIG. 1B. Again, the partial hollow space 224 conically tapering in the main extension direction 100 is recognizable.
  • FIG. 3 shows, in a schematic plan view, the matrix M according to FIG. 1C.
  • a fixing element 7, here in the form of a dental floss or another thread is firmly hooked into barbs 61 and the fixing element 7 by means of a knot is knotted behind the tooth 3 and forms a form fit around the surface 21 of the tooth 3.
  • the die M is firmly fixed over the hole 31 of the tooth and thus also on the tooth 3.
  • FIG. 4 shows schematically in a side view again the die 3 shown in FIG. 1 D, which is already fixed to the tooth 3 by the fixing element 7. In this case, instead of the barbs 61, the holes 62 are now introduced into the plastic lamella 1.
  • FIG. 1 D shows, in a schematic plan view, the matrix M according to FIG. 1C.
  • FIG. 5A shows, in a schematic side view, a filling system described here, which is used in the method for filling holes described here. Shown again is shown in a schematic side view, first, as the die M is fixed according to the embodiment shown in Figure 4 on the tooth 3.
  • the filling device 8 comprising a reservoir 81 for the filling material 5
  • the filling material 5 is introduced from the reservoir 81 through the filler neck 82 and the filler neck 4 and through this targeted in the hole 2 of the tooth 3.
  • the filling device 8 is removed from the die M.
  • both the tooth 3 and the die M still fixed to the tooth 3 are irradiated with electromagnetic radiation in the visible or ultraviolet spectral range.
  • the filling material 5 located in the hole 2 hardens.
  • the filler neck 4 is removed along a predetermined breaking or target grinding point 9, for example by means of a drill or a saw and / or a pair of pliers from the plastic lamella 1, so that thereafter only only the plastic lamella 1 remains on the tooth 3 (see FIG. 5B) ).
  • the plastic lamella 1 is also removed from the tooth 3, whereby the particularly clean and efficient process of filling a hole in the tooth 3 described here is completed.
  • the invention is not limited by the description with reference to the embodiments. Rather, the invention includes every new feature and every combination of features, which in particular includes any combination of features in the claims, even if this feature or the combination itself is not explicitly in a claim or theproofsbeispie! is specified.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Dental Prosthetics (AREA)
  • Dental Preparations (AREA)

Abstract

L'invention concerne une matrice permettant d'obturer des cavités d'une dent au moyen d'un matériau d'obturation. Cette matrice comprend une lamelle en matière plastique pouvant subir une déformation élastique, dans laquelle est ménagé au moins un orifice et laquelle, après avoir été posée sur la surface d'une dent, s'adapte à cette dernière dans une configuration stable; et un embout de remplissage destiné à faire passer un matériau d'obturation en direction de la cavité de la dent. L'embout de remplissage présente au moins une paroi d'une épaisseur pouvant être prédéfinie, et la paroi délimite un volume creux traversant s'étendant dans une direction d'étendue principale de l'embout de remplissage. L'embout de remplissage et la lamelle en matière plastique sont constitués d'au moins un matériau, lequel est transparent au rayonnement électromagnétique dans le domaine spectral du visible ou de l'ultraviolet. L'embout de remplissage débouche à une extrémité directement dans la lamelle en matière plastique, et le volume creux de l'embout de remplissage est superposé au moins par endroits à l'orifice de la lamelle en matière plastique dans la direction d'étendue principale du manchon de remplissage.
PCT/EP2013/070439 2012-10-04 2013-10-01 Matrice permettant d'obturer des cavités d'une dent au moyen d'un matériau d'obturation WO2014053480A1 (fr)

Priority Applications (1)

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EP13771475.4A EP2753266A1 (fr) 2012-10-04 2013-10-01 Matrice permettant d'obturer des cavités d'une dent au moyen d'un matériau d'obturation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012109427.6A DE102012109427B4 (de) 2012-10-04 2012-10-04 Matrize sowie Einfüllsystem zum Ausfüllen von Löchern eines Zahnes mittels eines Füllmaterials
DE102012109427.6 2012-10-04

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WO2014053480A1 true WO2014053480A1 (fr) 2014-04-10

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EP (1) EP2753266A1 (fr)
DE (1) DE102012109427B4 (fr)
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US20220249199A1 (en) * 2021-02-11 2022-08-11 Iveneer Ltd Matrices for dental restoration
WO2023126931A1 (fr) * 2021-12-31 2023-07-06 Iveneer Ltd Matrices comprenant des facettes et des couronnes pour restauration dentaire
US11903787B2 (en) 2017-12-28 2024-02-20 Iveneer Ltd Matrices for dental restoration

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US6220858B1 (en) * 1997-12-02 2001-04-24 Mercor Dental Products Inc. Apparatus for placement of dental fillings
US20050042577A1 (en) * 2003-08-19 2005-02-24 Kvitrud James R. Dental crown forms and methods

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