FR2652256A1 - Device for establishing the sign of a removable partial dental plaque. - Google Patents

Device for establishing the sign of a removable partial dental plaque. Download PDF

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Publication number
FR2652256A1
FR2652256A1 FR8912814A FR8912814A FR2652256A1 FR 2652256 A1 FR2652256 A1 FR 2652256A1 FR 8912814 A FR8912814 A FR 8912814A FR 8912814 A FR8912814 A FR 8912814A FR 2652256 A1 FR2652256 A1 FR 2652256A1
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means
patient
plate
positioning
mouth
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Pending
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FR8912814A
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French (fr)
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Jourda Gerard
Gaillard Jean
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Jourda Gerard
Gaillard Jean
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Application filed by Jourda Gerard, Gaillard Jean filed Critical Jourda Gerard
Priority to FR8912814A priority Critical patent/FR2652256A1/en
Publication of FR2652256A1 publication Critical patent/FR2652256A1/en
Application status is Pending legal-status Critical

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00Dental auxiliary appliances
    • A61C19/04Measuring instruments specially adapted for dentistry

Abstract

Device for tracing a removable partial dental plate characterized in that it is comprised of: means for displaying (15, 16, 19) the positioning of the teeth still in place in the mouth of the patient; calculation means (17) for the recurrent determination of the theoretical ideal tracing of the removable dental plate as a function, on the one hand, of the positioning of the teeth still in place, inputted during the preceding step, and on the other hand, brackets of physiological values previously inputted into said calculation means; input means (18) for introducing clinical particularisms proper to the mouth of the patient being treated; calculation means (17) for plotting the final theoretical tracing of the plate as a function, on the one hand, of the clinical particularisms and, on the other hand, of the physiological brackets of values.

Description

La présente invention concerne un dispositif pour établir le tracé d'une plaque dentaire partielle amovible. The present invention relates to a device for establishing the path of a removable partial dental plaque.

Par "plaque dentaire partielle", on entend au sens de l'invention et des revendications une plaque dentaire destinée à être fixée de manière amovible sur au moins deux dents encore présentes dans l'une des deux arcades de la bouche d'un patient. By "partial plaque" is meant within the meaning of the invention and claims a plaque adapted to be removably secured on at least two teeth still present in one of the two arches of the mouth of a patient.

A ce jour, les plaques dentaires partielles amovibles sont réalisées à partir d'un tracé obtenu à partir d'une empreinte de l'arcade de la bouche du patient. To date, removable partial dental plates are made from a trace obtained from an impression of the arch of the patient's mouth. Le tracé de la plaque proprement dite est normalement réalisé par le praticien en fonction des données cliniques et physiologiques de l'arcade considérée. The plot of the plate itself is normally performed by the physician based on clinical and physiological data considered arch.

Toutefois, les praticiens sont de moins en moins capables d'effectuer ce tracé et laissent généralement ce soin aux prothésistes. However, practitioners are less able to carry out this plot and generally leave it up to the technicians. Cela suppose l'emploi d'un personnel très qualifié compte tenu des objectifs visés pour le tracé de la plaque. This requires taking the employment of highly qualified personnel account the objectives set for the route of the plate. Ces objectifs se résument principalement à une parfaite adaptation morphologique à la bouche du patient d'une part et d'autre part à un maintien efficacec de ladite plaque dentaire sur les dents restant en place dans la bouche du patient, ce maintien laissant toutefois possible l'amovibilité de ladite plaque dentaire, notamment en vue de son nettoyage. These objectives can be summarized mainly in morphological perfect adaptation to the patient's mouth on the one hand and the other hand to a efficacec maintaining said plaque on the teeth remaining in place in the patient's mouth, maintaining however leaving the possible removability of said plaque, particularly for its cleaning.

La présente invention vise à proposer un dispositif apte à permettre à tout praticien non spécialiste de réaliser des tracés de plaques dentaires amovibles, plus économiques dans leur réalisation d'une part et d'autre part mieux adaptés du point de vue morphologique. The present invention is to provide a device able to allow any layman practitioner to achieve plots of removable dental plates, more economical in their realization on the one hand and also better suited the morphological point of view.

Le dispositif pour établir le tracé d'une plaque dentaire partielle amovible conforme à l'invention se caractérise en ce qu'il comprend The device for establishing the path of a removable partial dental plate according to the invention is characterized in that it comprises
- des moyens pour afficher le positionnement des dents encore en place dans la bouche du patient - means for displaying the positioning of the teeth still in place in the patient's mouth
- un moyen de calcul pour déterminer de manière récurrente le tracé idéal théorique de la plaque dentaire amovible en fonction d'une part du positionnement des dents encore en place, introduit au cours de l'étape précédente, et d'autre part de fourchettes de valeurs physiologiques introduites préalablement dans ledit moyen de calcul - a computing means for recursively determining the theoretical ideal alignment of the removable dental plate according to a part of the positioning teeth still in place, introduced during the preceding step, and on the other band physiological values ​​entered beforehand in said calculating means
- des moyens d'introduction de particularismes cliniques propres à la bouche du patient en cours de traitement - means for introducing clean clinical peculiarities in the patient's mouth during treatment
- un moyen de calcul pour restituer le tracé théorique final de la plaque en fonction d'une part de ces particularismes cliniques et d'autre part des fourchettes physiologiques. - a calculation means for restoring the theoretical final route of the plate according to a portion of these clinical peculiarities and other physiological ranges.

En d'autres termes, la présente invention se caractérise en ce que l'on munit une installation de saisie de données, en l'occurence les dents restant encore dans la bouche du patient, d'un organe de calcul apte en fonction de critères pré-établis à délivrer de façon instantanée un tracé théorique de plaque dentaire, qui ne demande plus qu'à être adapté en fonction des particularismes cliniques d'un patient. In other words, the present invention is characterized in that which we equip a data entry system, in this case the still remaining teeth in the patient's mouth, a calculation device adapted according to criteria pre-set to deliver instantaneously a theoretical plot of plaque, which more just waiting to be adapted according to the clinical peculiarities of a patient.

Dans une forme de réalisation avantageuse, le moyen pour afficher le positionnement des dents encore en place dans la bouche du patient est constitué par un écran sur lequel est susceptible de se déplacer un curseur, écran associé à un micro-ordinateur et à un organe de validation, validant les données en fonction de la position du curseur. In a preferred embodiment, the means for displaying the positioning of the teeth still in place in the patient's mouth is constituted by a screen which is capable of moving a cursor, screen associated with a microcomputer and a body validation, to validate the data according to the cursor position.

Dans une autre forme de réalisation, le moyen de calcul destiné à déterminer le tracé idéal théorique et le tracé théorique final de la plaque dentaire est constitué par un micro-ordinateur dont les étapes de fonctionnement sont dictées par un logiciel adapté. In another embodiment, calculating means for determining the theoretical ideal route and the final theoretical plot plaque consists of a computer whose operating steps are dictated by appropriate software.

Selon l'invention, le moyen d'introduction des particularismes cliniques d'un patient est constitué par un clavier associé audit micro-ordinateur. According to the invention, the means for introducing clinical peculiarities of a patient is formed by a keyboard associated with said microcomputer.

Les fourchettes de valeurs physiologiques introduites dans le moyen de calcul destiné à déterminer le tracé idéal théorique de la plaque concernent respectivement les crochets de fixation de la plaque, les épingles à cheveux destinées à solidariser la plaque à la selle de positionnement des dents, les caractéristiques dimensionnelles de la selle elle-même et la courbure de la plaque. The ranges of physiological values ​​introduced in the way of calculation to determine the theoretical ideal route of the plate respectively to hooks of the plate, hairpins designed to secure the plate to the tooth positioning saddle features dimensional saddle itself and the curvature of the plate.

La manière dont l'invention peut être réalisée, et les avantages qui en découlent ressortiront mieux de l'exemple de réalisation qui suit donné à titre indicatif et non limitatif à l'appui des figures annexées. How the invention may be embodied and the advantages thereof will appear better from the exemplary embodiment which follows given purely illustrative and non-limiting in the attached figures.

La figure 1 est une vue schématique d'une plaque dentaire en place, réalisée selon la technique dite du "chassis amorti". Figure 1 is a schematic view of a plaque in place, carried out according to the technique called "damped chassis".

La figure 2 est également une vue schématique d'une plaque dentaire en place, réalisée selon la technique dite de KENNEDY, APPLEGATE. Figure 2 is also a schematic view of a plaque in place, carried out according to the technique known KENNEDY, APPLEGATE.

La figure 3 est un schéma simplifié du dispositif conforme à l'invention. Figure 3 is a simplified diagram of the device according to the invention.

Selon l'invention, et conformément à la représentation de la figure 1, la plaque dentaire portant la référence générale (1) est constituée de plusieurs éléments. According to the invention, and in accordance with the representation of Figure 1, plaque bearing the general reference (1) consists of several elements.

Outre la plaque dentaire proprement dite portant la référence générale (2) et destinée à épouser la morphologie du palais, qu'il s'agisse de l'arcade inférieure ou de l'arcade supérieure, la plaque dentaire est maintenue sur les dents restant encore dans la bouche du patient, et portant les références (3) à (6) par des crochets (7) et des appuis (8) par l'intermédiaire de potences (9). Besides actual plaque bearing the general reference (2) and intended to match the morphology of the palate, whether the mandibular arch or of the upper arch, the dental plate is held on the still remaining teeth in the patient's mouth, and with the part (3) to (6) by brackets (7) and supports (8) via brackets (9). Ces différents éléments à savoir crochets, appuis et potences sont réalisés en alliage à base de cobalt, nickel et chrome, bien entendu non toxiques. These different elements namely hooks, supports and brackets are made of alloys based on cobalt, nickel and chromium, of course non-toxic.

Les dents artificielles, donc manquantes, sont positionnées sur une selle (10) reliée à la plaque dentaire (2) par l'intermédiaire d'une épingle à cheveux (11) également réalisée dans le même alliage cobalt, nickel, chrome. Artificial teeth, thus missing, are positioned on a saddle (10) connected to the dental plate (2) via a hairpin (11) also made from the same cobalt alloy, nickel, chromium.

Selon l'invention, la manière dont sont reliées les potences (9) et l'épingle à cheveux (11) à la plaque dentaire (2), ainsi que. According to the invention, the manner in which are connected brackets (9) and the hairpin (11) to the dental plate (2) and. le positionnement des points d'appui des crochets font l'objet de fourchettes physiologiques particulières, destinées d'une part à permettre une meilleure adaptation morphologique de la plaque dentaire à la morphologie de la bouche du patient et d'autre part à un meilleur maintien réversible de ladite plaque sur les dents restantes. the positioning of the points of support brackets are subject to special physiological ranges, designed firstly to allow better morphological adaptation of plaque morphology of the patient's mouth and the other hand to better support reversible said plate on the remaining teeth.

Selon la présente invention, lorsqu'un praticien désire procéder à la réalisation d'un tracé de plaque dentaire d'un patient déterminé, il procède tout d'abord au relevé des différentes dents restant en place dans l'arcade considérée de la bouche du patient. According to the present invention, when a practitioner wishes to proceed with the implementation of a plaque plot of a particular patient, it first conducts the survey of different teeth remaining in place in the arcade regarded the mouth of patient. Il est muni d'un micro-ordinateur (17) auquel est associé un écran (15) visualisant une arcade complète, c'est-à-dire seize dents. It is provided with a microcomputer (17) which is associated a screen (15) visualizing a full arch, that is to say, sixteen teeth. Cet écran est associé à un organe de validation (16), dans le cas d'espèces une souris associée à un curseur (19) se déplaçant sur l'écran selon le souhait du praticien. This screen is associated with a validation element (16), in the case of a mouse species associated with a cursor (19) moving on the screen according to the desire of the practitioner. Le praticien peut déplacer le curseur (19) sur les dents manquantes et procède à la validation (16), par exemple par simple pression du bouton dudit organe de validation, afin d'introduire dans la mémoire du microordinateur (17) le positionnement des dents restantes. The practitioner can move the cursor (19) on the missing teeth and validates (16), for example by pushing a button of said validation member, for introducing in the memory of the microcomputer (17) the positioning of the teeth remaining.

Ce micro-ordinateur comprend un micro-processeur géré par un logiciel spécialisé et adapté au tracé de plaque dentaire. The microcomputer includes a microprocessor managed by specialized software and adapted to the plaque plot. Ce logiciel permet la restitution notamment à l'écran du tracé d'une plaque dentaire en fonction d'une part des données introduites par le praticien concernant les différentes dents restantes dans la bouche du patient, et d'autre part en fonction des fourchettes physiologiques sus-mentionnées, faisant partie intégrante des données du logiciel. This software retrieves particular to the layout screen of a plaque based on a share data entered by the practitioner on different teeth remaining in the patient's mouth, and the other based on physiological ranges mentioned above, an integral part of software data. il est à noter que outre les fourchettes physiologiques déjà mentionnées, celles-ci concernent également les caractéristiques dimensionnelles de la selle et la courbure de la plaque dentaire elle-même. it should be noted that besides the physiological ranges already mentioned, they also relate to the dimensional characteristics of the saddle and the curvature of the plaque itself.

Une fois ce tracé théorique restitué par le microordinateur, notamment sur l'écran (15), le praticien introduit certains particularismes cliniques propres à chaque patient. Once this theoretical route returned by the microcomputer, including the screen (15), the practitioner introduces some clinical peculiarities specific to each patient. Ces particularismes cliniques peuvent être de natures différentes, telles que des dents restant en mauvais état These clinical particularities may be of different types, such as remaining teeth in poor condition
Ces particularismes cliniques étant introduits, et le tracé théorique précédent ayant été stocké en mémoire, le micro-ordinateur (17) restitue un nouveau tracé théorique, final cette fois, de la plaque dentaire destinée à être ensuite acheminée chez un prothésiste apte à réaliser effectivement cette plaque dentaire. These clinical particularities being introduced, and the previous theoretical pattern having been stored in memory, the microcomputer (17) returns a new theoretical plot, Final this time the plaque to be then conveyed in a technician able to perform effectively this plaque. Cette restitution est matérialisée soit sur l'écran (15) soit par l'imprimante (20r. The refund shall be materialized on the screen (15) by the printer (20r.

L'introduction des particularismes cliniques par le praticien s'effectue par exemple par un clavier (18) associé au micro-ordinateur au moyen de codes pré-établis ou suivant un langage propre au logiciel. The introduction of clinical particularities by the practitioner is performed for example by a keyboard (18) associated with the computer using pre-established codes or following language specific to software.

il va de soi qu'afin d'optimiser le rendu du tracé théorique de la plaque dentaire, un travail clinique préalable peut être effectué par le praticien en vue de consolider ou de supprimer certaines dents. it goes without saying that in order to optimize the rendering of the theoretical route of dental plaque prior clinical work can be done by the practitioner to consolidate or eliminate certain teeth.

De plus, en fonction des différentes données introduites par le praticien d'une part et d'autre part des fourchettes physiologiques stockées par les mémoires du micro-ordinateur, le microprocesseur de ce dernier effectue de manière récurrente un calcul précis des différentes caractéristiques de la plaque dentaire et de ses différents éléments associés, notamment crochets, appuis, potences, épingles à cheveux et selles. In addition, based on various data input by the practitioner on the one hand and on the other hand physiological ranges stored by the memories of the microcomputer, the microprocessor of the latter performs repeatedly a precise calculation of the different characteristics of plaque and its various associated elements, in particular hooks, supports, hangers, hairpins and stool. De la sorte, il ne reste plus au prothésiste qu'à respecter scrupuleusement les différentes indications fournies par le micro-ordinateur pour réaliser une plaque dentaire s'adaptant parfaitement à la bouche du patient. Thus, there remains the technician to scrupulously respect the various indications provided by the computer to perform a plaque adapting perfectly to the patient's mouth.

Le dispositif conforme à la présente invention permet indiféremment de réaliser des plaques dentaires amovibles, selon la technique dite du chassis amorti, ou selon celle dite de KENNEDY - APPLEGATE. The device according to the present invention allows indifferently to produce removable dental plates, according to the technique called damped chassis, or as the so-called KENNEDY - APPLEGATE. Le choix de l'une ou de l'autre de ces techniques appartient au praticien. The choice of one or the other of these techniques is for the practitioner. On a représenté en figure 2 une plaque dentaire amovible, réalisée selon la technique KENNEDY-APPLEGATE, avec le dispositif conforme à l'invention. There is shown in Figure 2 a removable dental plate taken along KENNEDY APPLEGATE-technique, with the device according to the invention.

Il ressort de la présente invention des avantages fondamentaux par rapport à ce qui était connu de faire jusqu'alors. According to the present invention of the fundamental advantages over what was known to do before. On peut notamment citer la possibilité pour tout praticien non spécialiste de prothèses de réaliser des tracés de plaques dentaires tout à fait exploitables par un prothésiste afin de réaliser les plaques dentaires proprement dites. These include the possibility for any denture non-specialist practitioner to achieve plots of dental plaque quite usable by a technician to perform dental plates themselves. il ressort donc de ce dispositif le moyen d'effectuer d'importantes économies et surtout de réaliser des gains de temps appréciables. it is therefore clear from this device means to make significant savings and especially to realize significant time gains.

Claims (5)

REVENDICATIONS
1/ Dispositif pour établir le tracé d'une plaque dentaire partielle amovible caractérisé en ce qu'il comprend 1 / A device for establishing the path of a removable partial dental plaque characterized in that it comprises
- des moyens pour afficher (15, 16, 19) le positionnement des dents encore en place dans la bouche du patient ; - means for displaying (15, 16, 19) the positioning of the teeth still in place in the patient's mouth;
- un moyen de calcul (17) pour déterminer dé manière récurrente le tracé idéal théorique de la plaque dentaire amovible en fonction d'une part du positionnement des dents encore en place, introduit au cours de l'étape précédente, et d'autre part de fourchettes de valeurs physiologiques introduites préalablement dans ledit moyen de calcul ; - calculating means (17) for recursively determining the theoretical ideal alignment of the removable dental plate according to a part of the positioning teeth still in place, introduced during the preceding step, and secondly physiological values ​​ranges previously introduced in said calculating means;
- des moyens d'introduction (18) des particularismes cliniques propres à la bouche du patient en cours de traitement - introducing means (18) specific clinical peculiarities in the patient's mouth during treatment
- un moyen de calcul (17) pour restituer le tracé théorique final de la plaque en fonction d'une part de ces particularismes cliniques et d'autre part des fourchettes physiologiques. - computing means (17) to return the theoretical final route of the plate according to a portion of these clinical peculiarities and other physiological ranges.
2/ Dispositif selon la revendication 1, caractérisé en ce que le moyen pour afficher le positionnement des dents encore en place dans la bouche du patient est constitué par un écran (15) sur lequel se déplace un curseur (19) associé à un micro-ordinateur (17) et à un organe de validation (16) de données en fonction de la position dudit curseur (19). 2 / Device according to Claim 1, characterized in that the means for displaying the positioning of the teeth still in place in the patient's mouth is constituted by a screen (15) on which a cursor moves (19) associated with a micro computer (17) and a validation element (16) data as a function of the position of said cursor (19).
3/ Dispositif selon la revendication 1, caractérisé en ce que le moyen de calcul (17) pour déterminer le tracé idéal théorique et le tracé théorique final de la plaque est constitué par un micro-ordinateur dont les étapes de fonctionnement sont dictées par un logiciel adapté. 3 / Device according to Claim 1, characterized in that the calculating means (17) for determining the theoretical ideal layout and final theoretical plot of the plate is constituted by a microcomputer whose operating steps are dictated by software adapted.
4/ Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le moyen d'introduction des particularismes cliniques du patient est constitué par un clavier (18) associé à un micro-ordinateur. 4 / A device according to one of claims 1 to 3, characterized in that the means for introducing the patient's clinical particularities is constituted by a keyboard (18) associated with a microcomputer.
5/ Dispositif selon l'une des revendications précédentes caractérisé en ce que les fourchettes de valeurs physiologiques introduites dans le moyen de calcul destiné à déterminer le tracé idéal théorique de la plaque dentaire concerne les crochets de fixation de la plaque, les épingles à cheveux destinées à solidariser la plaque à la selle de positionnement des dents artificielles, les caractéristiques dimensionnelles de la selle et la courbure de la plaque dentaire elle-même. 5 / Apparatus according to one of the preceding claims characterized in that the ranges of physiological values ​​introduced into the calculating means for determining the theoretical ideal route of plaque relates to the fastening hooks of the plate, hairpins for to secure the plate to the saddle positioning of artificial teeth, dimension of the saddle and the curvature of the plaque itself.
FR8912814A 1989-09-26 1989-09-26 Device for establishing the sign of a removable partial dental plaque. Pending FR2652256A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8912814A FR2652256A1 (en) 1989-09-26 1989-09-26 Device for establishing the sign of a removable partial dental plaque.

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Application Number Priority Date Filing Date Title
FR8912814A FR2652256A1 (en) 1989-09-26 1989-09-26 Device for establishing the sign of a removable partial dental plaque.
PCT/FR1990/000690 WO1991004713A1 (en) 1989-09-26 1990-09-26 Device for tracing a removable partial dental plate

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FR2652256A1 true FR2652256A1 (en) 1991-03-29

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FR8912814A Pending FR2652256A1 (en) 1989-09-26 1989-09-26 Device for establishing the sign of a removable partial dental plaque.

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FR (1) FR2652256A1 (en)
WO (1) WO1991004713A1 (en)

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