FR2951068A1 - Molding plate assembly for production of dental model, has molding plate formed of body, conical or non-crossing right drillings arranged on surfaces of body, and rail occupying molding base in curved shape - Google Patents

Molding plate assembly for production of dental model, has molding plate formed of body, conical or non-crossing right drillings arranged on surfaces of body, and rail occupying molding base in curved shape Download PDF

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Publication number
FR2951068A1
FR2951068A1 FR0904877A FR0904877A FR2951068A1 FR 2951068 A1 FR2951068 A1 FR 2951068A1 FR 0904877 A FR0904877 A FR 0904877A FR 0904877 A FR0904877 A FR 0904877A FR 2951068 A1 FR2951068 A1 FR 2951068A1
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France
Prior art keywords
molding
molding plate
conical
production
curved shape
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FR0904877A
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French (fr)
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Gerard Gonzalez
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Individual
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Individual
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Priority to FR0904877A priority Critical patent/FR2951068A1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • A61C9/002—Means or methods for correctly replacing a dental model, e.g. dowel pins; Dowel pin positioning means or methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C11/00—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings
    • A61C11/08—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings with means to secure dental casts to articulator
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C11/00—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings
    • A61C11/08—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings with means to secure dental casts to articulator
    • A61C11/081—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings with means to secure dental casts to articulator with adjusting means thereof
    • A61C11/084—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings with means to secure dental casts to articulator with adjusting means thereof for 3D adjustment, e.g. Ball-and-socket

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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 Prosthetics (AREA)

Abstract

The assembly (10) has a molding plate formed of a body with curve and plane surfaces (1), where the assembly is made of transparent material. Conical or non-crossing right drillings are arranged on the surfaces of the body. A rail (2) occupies a molding base in curved shape, and an articulation system (7) creates an articulated system when the articulation system is associated to a ball articulator. A dental impression tray support is positioned under the molding plate. Guiding systems (3, 3b) are located on a rear face (4) of a transparent plate.

Description

PLA'TEAU DE MOULAGE TRANSPARENT ET SUPPORT GUIDE L'invention concerne un ensemble de plateau de moulage transparent muni de perçages pour la production d'un modèle de travail dentaire utilisé pour la préparation d'une prothèse dentaire.Lors de la production de couronnes dentaires ou de bridges dentaires le prothésiste confectionne un modèle en plâtre qui est utilisé comme base de modèle pour la réalisation de prothèses dentaires. des cuvettes de moulage dentaire sont souvent utilisées à cet effet. The invention relates to a set of transparent molding plate provided with bores for the production of a dental work model used for the preparation of a dental prosthesis. During the production of dental crowns or dental bridges the dental technician makes a plaster model which is used as a model base for the realization of dental prostheses. dental cups are often used for this purpose.

Ces cuvettes présentent une cavité de moule utilisée pour la préparation du modèle.Le dentiste prend une empreinte de la bouche du patient dans laquelle,les dents préparées ainsi que la gencive,le palais etc.. sont imprimées dans cette empreinte qui représente le négatif Cette empreinte est remplie d'une masse de plâtre spécial au laboratoire. Dans le même temps et avec le même plâtre la cuvette est remplie de plâtre jusqu'à ses bords et l'empreinte est posée sur la cuvette pour ne former qu'un seul modèle.Après durcissement le modèle en plâtre est généralement retiré du moule pour être découpé en tronçons pour la production d'une prothèse dentaire .L'un des critères demandés pour utiliser de telles cuvettes 20 de moulages dentaires est la possibilité de remettre en place les tronçons du modèle, dans la cavité de la cuvette,en respectant le positionnement initial .Etant donné que le modèle peut être tronçonné en de nombreuses pièces ayant chacune une orientation particulière,il peut être difficile de retrouver la position appropriée,dans la cavité du moule,ou le tronçon du modèle 25 particulier à été formé,ce qui peut poser un problème de précision lors de la production de la prothèse dentaire. These cups have a mold cavity used for the preparation of the model. The dentist takes a print of the patient's mouth in which the prepared teeth as well as the gum, the palate, etc. are printed in this impression which represents the negative. impression is filled with a special plaster mass in the laboratory. At the same time and with the same plaster the bowl is filled with plaster up to its edges and the imprint is placed on the bowl to form only one model.After curing the plaster model is usually removed from the mold for to be cut into sections for the production of a dental prosthesis. One of the criteria required to use such cups 20 of dental moldings is the possibility of replacing the model sections, in the cavity of the bowl, respecting the Since the model can be cut into many parts each of which has a particular orientation, it may be difficult to find the proper position in the mold cavity, or the particular model section has been formed, which is why may pose a problem of accuracy during the production of the dental prosthesis.

Une cuvette dentaire perfectionnée est décrite dans le brevet français N° Fit 02 13748. An improved dental bowl is described in French Patent No. Fit 02 13748.

30 Dans la cuvette décrite dans ce brevet la cuvette présente une partie creuse qui s'étend totalement à travers le plateau et qui dispose de moyens de guidage pour le positionnement des tronçons de plâtre,représenté par des cylindres coniques élevés et de nervures sur les parois.Bien que la forme conique des parois,ainsi que les nombreux cylindres coniques pouvaient faciliter le repositionnement dans l'art antérieur,les nouveaux plâtres utilisés pour 35 la production de prothèses nécessitent une amélioration de cet art. In the cuvette described in this patent the cuvette has a hollow portion which extends completely through the plate and which has guide means for the positioning of the plaster sections, represented by high conical cylinders and ribs on the walls. Although the conical shape of the walls, as well as the numerous conical cylinders could facilitate repositioning in the prior art, the new plasters used for the production of prostheses require an improvement of this art.

L'expansion des nouveaux plâtres utilisés,est contre indiquée avec l'utilisation de cuvettes à larges bords.Cette expansion supérieure a l'élasticité de la cuvette rend très difficile le repositionnement des tronçons de plâtre.De plus le repositionnement sur les picots s'en trouve 40 affecté,le plâtre ne pouvant avoir une expansion correcte,prisonnier dans les parois de la cuvette. The expansion of the new plasters used, is contraindicated with the use of wide-brimmed cups.This expansion superior to the elasticity of the bowl makes it very difficult to reposition the sections of plaster.Moreover the repositioning on the spikes s' in 40 affected, the plaster can not have a proper expansion, prisoner in the walls of the bowl.

Un autre problème lors du repositionnement des tronçons sur la cuvette, est le bourrage du a la poussière lors du tronçonnage, qui vient se loger au fond du logement creux et empêche 45 l'enfoncement du tronçon sur sa base.Le tronçon n'étant pas correctement enfoncé, le positionnement n'est plus fiable et le blocage inefficace. Another problem when repositioning the sections on the bowl, is the stuffing of dust during cutting, which is housed in the bottom of the hollow housing and prevents 45 the depression of the section on its base.Le section not being properly depressed, the positioning is no longer reliable and blocking inefficient.

Par conséquent, l'utilisation d'un support permettant le tronçonnage d'un modèle de moulage étant extrêmement important pour la production de modèles, il faut apporter des 50 perfectionnements à cet art pour améliorer ;15 -Le temps de mise en oeuvre -L'insertion et la désinsertion des tronçons de modèle. -l'immobilité des tronçons sans recours à un autre blocage mécanique. -la possibilité de travailler dans le sens sagittal, ou frontal en respectant l'axe charnière de l'occlusion. 10 -la vision directe par transparence de la préparation, pour le positionnement parfait des pivots. -la possibilité de monter le plateau de moulage en articulateur. Therefore, the use of a support for cutting a molding model is extremely important for the production of models, improvements must be made to this art to improve the processing time. insertion and disinsertion of model sections. the immobility of the sections without recourse to another mechanical blockage. the possibility of working in the sagittal or frontal direction respecting the hinge axis of the occlusion. 10 -the direct vision by transparency of the preparation, for the perfect positioning of the pivots. the possibility of mounting the molding plate to an articulator.

L'invention a donc pour objet un ensemble de plateau de moulage transparent qui évite les problèmes mentionnés ci-dessus par les dispositifs de l'art antérieur et qui apporte des 15 solutions quand au positionnement frontal ou latéral des modèles lors de la fabrication de la prothèse. The invention therefore relates to a set of transparent molding plate which avoids the problems mentioned above by the devices of the prior art and which provides solutions when the front or side positioning of the models during the manufacture of the prosthesis.

L'invention à plus particulièrement pour objet un ensemble de plateau de moulage transparent,disposant d'un mécanisme de repositionnement,et un support métallique destiné a 20 recevoir l'empreinte du praticien.L'invention a également pour objet, un ensemble de plateau de moulage transparent présentant une surface lisse munie de perçages pour le positionnement de pivots métalliques,d'ergots courts pour améliorer le repositionnement des tronçons de plâtre,ainsi que d'un rail .Cette invention a aussi pour objet une cavité sphérique disposée a recevoir un système d'articulation utilisable lors de la livraison de la prothèse finie. 25 La dite invention a également pour objet une base métallique qui viens se positionner sous le porte empreinte contenant l'empreinte en négatif du modèle de moulage.Cette base métallique dispose d'une ouverture verticale servant de guide au système de guidage du socle transparent.Ce socle est transparent pour permettre un positionnement précis de l'empreinte 30 avant la coulée du plâtre, cette empreinte est fixée sur la base métallique par collage a l'aide d'un matériau silicone adhésif. The invention more particularly relates to a set of transparent molding plate, having a repositioning mechanism, and a metal support for receiving the impression of the practitioner.The invention also relates to a set of tray transparent molding having a smooth surface provided with holes for the positioning of metal pivots, short pins to improve the repositioning of the plaster sections, and a rail .This invention also relates to a spherical cavity arranged to receive a hinge system that can be used when delivering the finished prosthesis. The invention also relates to a metal base which is positioned under the impression holder containing the negative impression of the molding model.This metal base has a vertical opening serving as a guide to the guide system of the transparent base. This base is transparent to allow precise positioning of the cavity 30 before casting of the plaster, this impression is fixed on the metal base by bonding with a silicone adhesive material.

Cet ensemble de plateau de moulage transparent présente une surface plane disposant de perçages coniques disposés à recevoir des pivots métalliques, placés en quinconce pour 35 couvrir toutes les positions possibles des parties tronçonables, il dispose également d'une rangée de plots ou ergots de petite taille en opposition a un rail, qui lui aussi court de part et d'autre des perçages coniques ou droits. Ces perçages sont bouchés sur la partie conique la plus fine,et sont percés par le pivots lors de son positionnement,ce système permet que les perçages qui ne supporteront aucun pivot 40 restent bouchés afin d'éviter leur remplissage par le plâtre liquide lors de la coulée du modèle de moulage. This transparent molding board assembly has a flat surface having tapered bores arranged to receive metal pivots, staggered to cover all possible positions of the sectionable portions, it also has a row of small studs or lugs. in opposition to a rail, which also runs on either side of conical or straight holes. These holes are plugged on the thinnest conical part, and are pierced by the pivots during its positioning, this system allows the holes that will not support any pivot 40 remain plugged to prevent their filling by the liquid plaster during the cast molding model.

La conicité des perçages étroitement associés aux pivots métalliques crée un cône morse qui permet le blocage vertical et rapide des tronçons de plâtre , les ergots ainsi que le rail qui 45 court sur la surface plane du socle annulent un quelconque mouvement rotatif de ceux-ci . L'invention sera décrite plus en détail au regard des dessins annexés à titre d'exemple nullement limitatifs et sur lesquels ; 50 -la figure.1, est une vue en perspective du plateau de moulage transparent avec son système d'articulation. -la figure.2, est une vue en perspective de la base métallique -la figure.3, est une vue en coupe du plateau de moulage transparent et d'un tronçon de modèle de moulage avec ses deux pins -la figure 4, est une vue de l'intrados du socle de moulage The conicity of the holes closely associated with the metal pivots creates a Morse taper which allows the vertical and rapid blocking of plaster sections, the pins and the rail running on the flat surface of the base cancel any rotational movement thereof. The invention will be described in more detail with reference to the accompanying drawings by way of non-limiting example and in which; Figure 1 is a perspective view of the transparent molding plate with its articulation system. FIG. 2 is a perspective view of the metal base FIG. 3 is a sectional view of the transparent molding plate and of a molding model section with its two pins. FIG. a view of the underside of the molding base

Les mêmes références numériques désignent les mêmes éléments sur les différentes figures. Comme représenté sur les figures 1 a 4, l'ensemble de plateau de moulage transparent comprend un plateau de moulage formé d'un corps 10 Fig.1, présentant une surface plane et courbe 1 qui dispose d'un rail 2 pouvant être de forme droite, courbe ou aléatoire, d'une rangée de picots coniques ou droits 93 a 126 positionnés a l'intérieur d'une double rangée de perçages coniques ou droits 8 a 92 Fig. 1 The same reference numerals designate the same elements in the different figures. As shown in FIGS. 1 to 4, the transparent molding plate assembly comprises a molding plate formed of a body 10 having a flat and curved surface 1 which has a rail 2 which can be of a shape straight, curved or random, of a row of conical or straight pins 93 to 126 positioned inside a double row of conical or straight bores 8 to 92 FIG. 1

L'ensemble 10 dispose d'un système de guidage 3 et 3b,situe sur la face arrière,4 du plateau transparent,de plus ce plateau est percé en son centre par un forage 5,terminé par une base 6,elle-même percée en son centre.Cet ensemble 10 dispose également d'un système d'articulation,7 sous forme d'un perçage concave et sphérique disposé a recevoir un articulateur a boule.L'ensemble 10 dispose également sur l'intrados 132, Fig.4, d'une série de picots 127 a 131 destines a créer un blocage et un repositionnement lors du montage en articulateur. The assembly 10 has a guiding system 3 and 3b, located on the rear face, 4 of the transparent plate, moreover this plate is drilled in its center by a borehole 5, terminated by a base 6, itself pierced. in its center.This assembly 10 also has a hinge system, 7 in the form of a concave and spherical bore arranged to receive a ball articulator.The assembly 10 also has on the intrados 132, Fig.4 , a series of pins 127 to 131 for creating a blocking and repositioning during assembly articulator.

Ce plateau transparent est associé dans sa mise en oeuvre a un guide métallique,133 Fig.2, composé d'une surface plane 134,cette face plane est prolongée par une face perpendiculaire 135.L'ensemble 133 dispose sur sa face perpendiculaire 135 d'une ouverture rectangulaire 136 et 136b dont la base 137 sert de butée lorsque le socle de moulage 10 vient épouser ladite ouverture .Le système de guidage 3 et 3b du socle de moulage 10 vient se placer dans l'ouverture formée par les faces 136 et 136b ce qui crée l'ensemble socle de moulage et support guide. This transparent plate is associated in its implementation with a metal guide, 133 Fig.2, composed of a flat surface 134, this flat face is extended by a perpendicular face 135.The set 133 has on its perpendicular face 135 d a rectangular opening 136 and 136b whose base 137 serves as an abutment when the molding base 10 comes to embrace said opening .The guiding system 3 and 3b of the molding base 10 is placed in the opening formed by the faces 136 and 136b which creates the molding base assembly and guide support.

Lors de la mise en oeuvre de l'ensemble de plateau transparent et du support guide et ce a titre d'exemple les pivots, 138 et 139 Fig.3 viennent se loger dans un quelconque perçage allant de 8 a 92 Fig.l, pour être recouverts de plâtre et former après la prise du plâtre et son sectionnement, un tronçon de modèle de moulage 140, tel que sur la fig 3. 45 During the implementation of the set of transparent plate and the guide support and as an example the pivots, 138 and 139 Fig.3 are housed in any hole ranging from 8 to 92 Fig.l, for be covered with plaster and form after the setting of plaster and its sectioning, a molding model section 140, as in Fig 3. 45

Claims (5)

REVENDICATIONS1) Ensemble de plateau de moulage pour la production d'un modèle dentaire caractérisé en ce qu'il comprend un plateau de moulage formé d'un corps (10) présentant une surface plane et courbe (1), sur laquelle sont disposés des perçages coniques ou droits non traversants (8 à 92),une rangée de plots coniques ou droits (93,à 126),et un rail (2) qui court sur la base du moulage en épousant la forme courbe. CLAIMS1) Set of molding tray for the production of a dental model characterized in that it comprises a molding plate formed of a body (10) having a flat and curved surface (1), on which are arranged holes conical or straight non-through (8 to 92), a row of conical or straight pads (93, to 126), and a rail (2) running on the basis of the molding by marrying the curved shape. 2)Ensemble de plateau de moulage selon la revendication précédente caractérisé en ce qu'il comprend un système de mise en articulation (7) destiné à créer un système articulé quand il est associé à un occluseur a boule. 2) set of molding plate according to the preceding claim characterized in that it comprises a jointing system (7) for creating an articulated system when it is associated with a ball occluder. 3)Ensemble de plateau de moulage selon l'une des revendications précédentes caractérisé en ce qu'ilcomprend une base métallique (133), support du porte empreinte dentaire, qui vient se positionner sous le plateau de moulage (10) et qui sert de guide a ce plateau (10). 3) Set of molding tray according to one of the preceding claims characterized in that it comprises a metal base (133), support of the dental impression door, which is positioned under the molding plate (10) and which serves as a guide to this tray (10). 4)Ensemble de plateau de moulage selon l'une des revendications 1 a 3 caractérisé en ce qu'il comprend un système de mise en articulateur universel,(5 et 6) adaptable sur tous les dispositifs mécaniques qui simulent les mouvements temporo-mandibulaires. 4) Set of molding plate according to one of claims 1 to 3 characterized in that it comprises a universal articulating system, (5 and 6) adaptable to all mechanical devices that simulate temporomandibular movements. 5) Ensemble de plateau de moulage selon l'une des revendications précédentes caractérisé en ce qu'il est réalisé en une de matière transparente. 25 30 35 40 45 50 5) Set of molding plate according to one of the preceding claims characterized in that it is made of a transparent material. 25 30 35 40 45 50
FR0904877A 2009-10-12 2009-10-12 Molding plate assembly for production of dental model, has molding plate formed of body, conical or non-crossing right drillings arranged on surfaces of body, and rail occupying molding base in curved shape Pending FR2951068A1 (en)

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FR0904877A FR2951068A1 (en) 2009-10-12 2009-10-12 Molding plate assembly for production of dental model, has molding plate formed of body, conical or non-crossing right drillings arranged on surfaces of body, and rail occupying molding base in curved shape

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FR0904877A FR2951068A1 (en) 2009-10-12 2009-10-12 Molding plate assembly for production of dental model, has molding plate formed of body, conical or non-crossing right drillings arranged on surfaces of body, and rail occupying molding base in curved shape

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2983697A1 (en) * 2011-12-07 2013-06-14 Gerard Gonzalez Dental plastic model preparation base for manufacturing dental prosthesis e.g. crowns, has anti-rotation device, where upper face of anti-rotation device is arranged in curved manner, and upper face is provided with plaster sections

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3837551A1 (en) * 1988-11-04 1990-05-10 Schreiber Hans Device for producing dental jaw models in the form of saw cut models, and construction kit therefor
US5098290A (en) * 1990-09-07 1992-03-24 Jerry P. Honstein Dental modeling method and apparatus using apertured matrix plate
US5658143A (en) * 1995-07-13 1997-08-19 Kuperman; Tal Dental articulator having dowel pins and support pins
US20020031743A1 (en) * 1999-04-07 2002-03-14 Nu-Tek Dental, Llc. Dental articulator
FR2869526A1 (en) * 2004-04-29 2005-11-04 Gerard Gonzalez Plastic material base preparation system for dental working model, has stainless steel square body positioned on pilot points, and plastic material bases arranged on body to drill holes that receive metallic pivot

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3837551A1 (en) * 1988-11-04 1990-05-10 Schreiber Hans Device for producing dental jaw models in the form of saw cut models, and construction kit therefor
US5098290A (en) * 1990-09-07 1992-03-24 Jerry P. Honstein Dental modeling method and apparatus using apertured matrix plate
US5098290B1 (en) * 1990-09-07 1994-07-26 Jerry P Honstein Dental modeling method and apparatus using apertured matrix plate
US5658143A (en) * 1995-07-13 1997-08-19 Kuperman; Tal Dental articulator having dowel pins and support pins
US20020031743A1 (en) * 1999-04-07 2002-03-14 Nu-Tek Dental, Llc. Dental articulator
FR2869526A1 (en) * 2004-04-29 2005-11-04 Gerard Gonzalez Plastic material base preparation system for dental working model, has stainless steel square body positioned on pilot points, and plastic material bases arranged on body to drill holes that receive metallic pivot

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2983697A1 (en) * 2011-12-07 2013-06-14 Gerard Gonzalez Dental plastic model preparation base for manufacturing dental prosthesis e.g. crowns, has anti-rotation device, where upper face of anti-rotation device is arranged in curved manner, and upper face is provided with plaster sections

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