ES2267357A1 - Bio-mechanical connection between dental implant and complementary prosthesis, has screw, which fixes pillar to dental implant, having conical head flush with pillar outer surface - Google Patents

Bio-mechanical connection between dental implant and complementary prosthesis, has screw, which fixes pillar to dental implant, having conical head flush with pillar outer surface Download PDF

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Publication number
ES2267357A1
ES2267357A1 ES200402082A ES200402082A ES2267357A1 ES 2267357 A1 ES2267357 A1 ES 2267357A1 ES 200402082 A ES200402082 A ES 200402082A ES 200402082 A ES200402082 A ES 200402082A ES 2267357 A1 ES2267357 A1 ES 2267357A1
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Prior art keywords
dental implant
screw
implant
abutment
pillar
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Granted
Application number
ES200402082A
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Spanish (es)
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ES2267357B1 (en
Inventor
Marcela Ridao Dalmau
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Implant Microdent System SL
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Implant Microdent System SL
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Priority to ES200402082A priority Critical patent/ES2267357B1/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005Connecting devices for joining an upper structure with an implant member, e.g. spacers

Abstract

A screw fixes a pillar to a dental implant when the cylindrical and polygonal bases at the outer extremity of the implant match complementary sockets formed in the pillar. The screw has a conical head flush with the outer surface of the pillar. The outer surface of the implant forms a truncated conical shape with a divergent section. The divergent section acts as a securement for the alveolar bed.

Description

Sistema de, unión bio-mecánica entre un implante dental endo-óseo y la complementaria prótesis.System of bio-mechanical union between an endo-bone and complementary dental implant prosthesis.

Objeto de la invenciónObject of the invention

La presente invención se refiere a un sistema de unión bio-mecánica entre un implante dental endo-óseo y la complementaria prótesis artificial o dentadura, sistema que ha sido concebido y estructurado en orden a conseguir que dicha prótesis quede firmemente bloqueada al implante, imposibilitando su aflojamiento accidental, con un notable reforzamiento en la base del pilar y con un perfecto cierre del lecho alveolar que evita focos de infección y facilita la higiene bucal.The present invention relates to a system of bio-mechanical bond between a dental implant endo-osseous and the complementary artificial prosthesis or denture, system that has been conceived and structured in order to achieve that said prosthesis is firmly locked to the implant, preventing accidental loosening, with a remarkable reinforcement at the base of the pillar and with a perfect closure of the Alveolar bed that prevents foci of infection and facilitates hygiene oral.

La invención resulta pues de aplicación en el ámbito de la odontología.The invention is therefore applicable in the field of dentistry.

Antecedentes de la invenciónBackground of the invention

Como es sabido, en un sistema clásico de unión entre un implante dental endo-óseo y la correspondiente prótesis, se utiliza un implante propiamente dicho, materializado en una especie de tornillo destinado a quedar empotrado en el hueso, implante al que se solidariza, obviamente a su extremidad externa, un pilar destinado a su vez a soportar a la prótesis artificial, siendo dicho pilar hueco y fijándose al implante con la colaboración de un tornillo que atravesando el pilar y fijándose a este último a través de su cabeza, rosca en un orificio axial, ciego y asimismo roscado del implante dental.As is known, in a classic system of union between an endo-bone dental implant and the corresponding prosthesis, an implant itself is used, materialized in a kind of screw intended to be embedded in the bone, implant to which it sympathizes, obviously to its outer limb, a pillar intended to support the artificial prosthesis, said hollow abutment being fixed to the implant with the collaboration of a screw that through the pillar and fixing the latter to through its head, thread in an axial hole, blind and likewise Threading of the dental implant.

Este sistema, esencialmente aceptable, presenta si embargo una serie de problemas que se centran fundamentalmente en los siguientes aspectos:This system, essentially acceptable, presents however, a series of problems that focus fundamentally in the following aspects:

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La base de conexión del implante dental al pilar no absorbe con garantía las cargas laterales que se producen en la función masticatoria, ni tampoco absorbe con garantía los inconvenientes que presentan los pacientes que padecen bruxismo.The connecting base of the dental implant to the abutment does not absorb with guarantee the side loads that occur in the function masticatory, nor does it absorb the inconvenience with guarantee presented by patients suffering from bruxism.

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Entre el implante dental y la cortical ósea se define un lecho alveolar en el que tienden a acumularse los alimentos, lo que constituye un foco de infección.Between the dental implant and the bone cortex defines an alveolar bed in which food tends to accumulate, which constitutes a infection focus.

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El tornillo de fijación del pilar al implante dental presenta una cabeza que configura con el resto del tornillo, un escalonamiento recto que apoya a su vez sobre un escalonamiento interior del pilar, de manera que la estabilidad del apriete entre estos elementos no ofrece el nivel de garantía que sería deseable, con un riesgo de aflojamiento durante la masticación.He screw fixing the abutment to the dental implant presents a head that configures with the rest of the screw, a stepping rectum which in turn rests on an internal stepping of the pillar, so that the stability of the tightening between these elements does not offer the level of warranty that would be desirable, with a risk of loosening during chewing.
Descripción de la invenciónDescription of the invention

El sistema de unión bio-mecánica entre un implante dental endo-óseo y la correspondiente prótesis que la invención propone, resuelve de forma plenamente satisfactoria la problemática anteriormente expuesta, en los diferentes aspectos comentados.The bio-mechanical bonding system between an endo-bone dental implant and the corresponding prosthesis that The invention proposes, resolves in a fully satisfactory manner the problematic previously exposed, in the different aspects commented.

Para ello, de forma más concreta y de acuerdo con una de las características de la invención, en la extremidad externa del implante dental se establece una base cilíndrica e inmediatamente a continuación una base poligonal, de las que son complementarios alojamientos formal, dimensional y posicionalmente coincidentes, establecidos sobre la extremidad correspondiente del pilar, de manera que este acoplamiento machihembrado tanto en sentido axial como en sentido angular elimina, con garantía, los inconvenientes derivados de las cargas laterales que se producen en la función masticatoria y los que presentan los pacientes que padecen bruxismo.To do this, more specifically and in agreement with one of the characteristics of the invention, in the limb external to the dental implant a cylindrical base is established and immediately following a polygonal base, of which they are Complementary accommodations formally, dimensionally and positionally matching, established on the corresponding limb of the pillar, so that this tongue and groove coupling both in axial direction as angularly eliminates, with guarantee, the inconveniences arising from lateral loads that occur in chewing function and those presented by patients who They suffer bruxism.

De acuerdo con otra de las características de la invención, el citado implante dental incorpora, cerca de la extremidad externa anteriormente citada y rematando el sector exteriormente roscado, un tramo tronco-cónico y divergente hacia la extremidad libre, actuante a modo de tapón para el lecho alveolar, entre la cortical ósea y el implante, evitando la acumulación de alimentos y los problemas derivados de la misma.According to another of the characteristics of the invention, said dental implant incorporates, near the external limb cited above and topping the sector externally threaded, a trunk-conical section and divergent towards the free limb, acting as a stopper to the alveolar bed, between the bone cortex and the implant, avoiding food accumulation and problems arising from the same.

Finalmente y de acuerdo con otra de las características de la invención, el tornillo de fijación del pilar al implante dental presenta una cabeza tronco-cónica que, en combinación con un asiento tronco-cónico y complementario establecido en el interior del pilar, hace que tornillo y pilar formen un bloque compacto que asegura la inmovilidad del conjunto y que le permite soportar los esfuerzos de la masticación sin riesgo alguno de que el citado tornillo pueda aflojarse.Finally and according to another of the Features of the invention, the abutment fixing screw to the dental implant presents a head conical trunk which, in combination with a seat conical trunk and complementary established in the inside the pillar, makes screw and pillar form a block compact that ensures the immobility of the set and that allows you withstand the efforts of chewing without any risk that the  Said screw can loosen.

Descripción de los dibujosDescription of the drawings

Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características del invento, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical realization of it, is accompanied as part member of that description, a set of drawings where with illustrative and non-limiting nature, what has been represented next:

La figura 1.- Muestra un despiece en perspectiva de un implante dental endo-óseo con su correspondiente pilar y tornillo de fijación, realizado de acuerdo con el sistema de unión bio-mecánica objeto de la presente invención.Figure 1.- Shows an exploded perspective. of an endo-bone dental implant with its corresponding abutment and fixing screw, made in accordance with the joint system Bio-mechanics object of the present invention.

La figura 2.- Muestra una vista en alzado lateral del conjunto representado en la figura anterior, también en despiece.Figure 2.- Shows an elevation view side of the assembly represented in the previous figure, also in exploded view

La figura 3.- Muestra, finalmente, el mismo conjunto de las figuras anteriores debidamente montado y en sección longitudinal.Figure 3.- Shows, finally, the same set of the previous figures duly assembled and in section longitudinal.

Realización preferente de la invenciónPreferred Embodiment of the Invention

A la vista de las figuras reseñadas puede observarse como en el sistema de unión bio-mecánica que la invención propone participa, como es convencional, un implante dental (1), un pilar (2) y un tornillo (3) como elemento de fijación entre las dos piezas anteriores, contando el implante dental (1) con una rosca exterior (4) para su fijación en el seno del hueso, y con un orificio axial, ciego, roscado y abierto hacia su extremidad externa (5) para acoplamiento del tornillo de fijación (3), siendo además el pilar (2) hueco para permitir el paso del citado tornillo (3).In view of the figures outlined you can be observed as in the bio-mechanical bonding system that the invention proposes participates, as is conventional, a dental implant (1), a pillar (2) and a screw (3) as an element of fixation between the two previous pieces, counting the implant Dental (1) with an external thread (4) for fixation in the breast of the bone, and with an axial hole, blind, threaded and open towards its outer end (5) for screw coupling fixing (3), being also the hollow pillar (2) to allow the passage of said screw (3).

Pues bien, a partir de esta estructuración básica y convencional, de acuerdo ya con el sistema de la invención, en la extremidad externa (5) del implante dental (1) se establece una base cilíndrica (6) e inmediatamente a continuación una base poligonal (7), coaxiales tanto entre sí como con el resto del implante (1), estando destinada la base cilíndrica (6) a encajar ajustadamente en un alojamiento (8) asimismo cilíndrico del pilar (2), mientras que la base poligonal (7) está destinada a su vez a insertarse en un alojamiento igualmente poligonal (9) del pilar (2).Well, from this structuring basic and conventional, in accordance with the system of the invention, in the outer extremity (5) of the dental implant (1) is establish a cylindrical base (6) and immediately below a polygonal base (7), coaxial with each other as with the rest of the implant (1), the cylindrical base (6) being adapted to fit  tightly in a housing (8) also cylindrical of the pillar (2), while the polygonal base (7) is in turn destined to insert into an equally polygonal housing (9) of the pillar (2).

De esta manera se consigue, simultáneamente, un acoplamiento machihembrado entre el implante (1) y el pilar (2) que inmoviliza estos dos elementos tanto en sentido axial como en sentido angular.In this way, one simultaneously achieves tongue and groove coupling between the implant (1) and the abutment (2) that immobilizes these two elements both axially and in angular sense

Además, el implante dental (1) incorpora, también cerca de su extremidad externa (5) y concretamente donde termina su rosca externa (4), un tramo tronco-cónico (10), divergente hacia fuera que, como anteriormente se ha dicho, actúa como tapón para el lecho alveolar.In addition, the dental implant (1) incorporates, also near its outer limb (5) and specifically where ends its external thread (4), a section conical trunk (10), divergent out that, as previously said, acts as a cap for the bed alveolar.

Por último, el tornillo (3) de fijación del pilar (2) al implante dental (1) incorpora una cabeza tronco-cónica (11), destinada a encajar ajustadamente en una estrangulación determinante de un asiento asimismo tronco-cónico (12) del pilar (2), consiguiéndose un efecto de acuñamiento entre ambos elementos en el apriete del tornillo (3) en el seno del implante dental (1), que asegura a su vez un rígido bloqueo del tornillo al pilar, impidiendo que pueda producirse el desacoplamiento accidental de dicho tornillo por aflojamiento del mismo.Finally, the fixing screw (3) of the abutment (2) to the dental implant (1) incorporates a head conical trunk (11), intended to fit tightly in a seat throttling also conical trunk (12) of the pillar (2), achieving a coining effect between both elements in the tighten the screw (3) inside the dental implant (1), which ensures in turn a rigid screw block to the abutment, preventing the accidental decoupling of said screw by loosening it.

Claims (3)

1. Sistema de unión bio-mecánica entre un implante dental endo-óseo y la complementaria prótesis, en el que participan un implante dental (1), un pilar (2) de fijación para la prótesis y un tornillo (3) a su vez de fijación del pilar (2) al implante dental (1), caracterizado porque el implante dental (1) incorpora en su extremidad externa (5) una base cilíndrica (6) y una base poligonal (7), coaxiales tanto entre sí como con respecto al resto del implante (1), de los que son complementarios respectivos alojamientos (8) y (9), operativamente establecidos en la extremidad correspondiente del pilar (2), el primero cilíndrico y el segundo poligonal, en orden a establecer entre pilar (2) e implante (1) un acoplamiento machihembrado con inmovilización tanto en sentido axial como en sentido angular.1. Bio-mechanical joint system between an endo-bone dental implant and the complementary prosthesis, in which a dental implant (1), a fixation abutment (2) for the prosthesis and a screw (3) participate. for fixing the abutment (2) to the dental implant (1), characterized in that the dental implant (1) incorporates in its outer extremity (5) a cylindrical base (6) and a polygonal base (7), coaxial both with one another and with with respect to the rest of the implant (1), of which respective housings (8) and (9) are complementary, operatively established in the corresponding end of the abutment (2), the first cylindrical and the second polygonal, in order to establish between abutment (2) and implant (1) a tongue and groove coupling with immobilization both axially and angularly. 2. Sistema de unión bio-mecánica entre un implante dental endo-óseo y la complementaria prótesis, según reivindicación 1ª, caracterizado porque el implante dental (1) incorpora además, en las proximidades de su extremidad externa (5), concretamente rematando su sector exteriormente roscado (4), un tramo tronco-cónico (10), divergente hacia dicho extremo (5), actuante como tapón del lecho alveolar.2. Bio-mechanical joint system between an endo-bone dental implant and the complementary prosthesis, according to claim 1, characterized in that the dental implant (1) also incorporates, in the vicinity of its external limb (5), specifically finishing off its sector externally threaded (4), a trunk-conical section (10), divergent towards said end (5), acting as a plug of the alveolar bed. 3. Sistema de unión bio-mecánica entre un implante dental endo-óseo y la complementaria prótesis, según reivindicaciones anteriores, caracterizado porque el tornillo (3) de fijación del pilar (2) al implante dental (1) incorpora una cabeza tronco-cónica (11), de la que es complementario un estrechamiento interior y también tronco-cónico (12) del pilar (2), determinantes de un acuñamiento de la cabeza del tornillo en el seno del pilar cuando dicho tornillo se aprieta en el seno del implante dental (1).3. Bio-mechanical joint system between an endo-bone dental implant and the complementary prosthesis, according to previous claims, characterized in that the screw (3) fixing the abutment (2) to the dental implant (1) incorporates a conical trunk-head (11), of which an internal and also conical trunk-conical narrowing (12) of the abutment (2) is complementary, determining a wedge of the screw head within the abutment when said screw is tightened within the implant dental (1).
ES200402082A 2004-08-25 2004-08-25 BIO-MECHANICAL UNION SYSTEM BETWEEN AN ENDO-OSEO DENTAL IMPLANT AND THE COMPLEMENTARY PROTESIS. Expired - Fee Related ES2267357B1 (en)

Priority Applications (1)

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ES200402082A ES2267357B1 (en) 2004-08-25 2004-08-25 BIO-MECHANICAL UNION SYSTEM BETWEEN AN ENDO-OSEO DENTAL IMPLANT AND THE COMPLEMENTARY PROTESIS.

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ES200402082A ES2267357B1 (en) 2004-08-25 2004-08-25 BIO-MECHANICAL UNION SYSTEM BETWEEN AN ENDO-OSEO DENTAL IMPLANT AND THE COMPLEMENTARY PROTESIS.

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999008620A1 (en) * 1997-08-19 1999-02-25 Astra Aktiebolag (Publ) Dental implant systems
US5975902A (en) * 1993-01-07 1999-11-02 Emmanuel; E Mohan Tooth securement
US5989026A (en) * 1995-05-25 1999-11-23 Implant Innovations, Inc. Ceramic two-piece dental abutment
EP1281372A1 (en) * 1996-01-05 2003-02-05 Sargon Lazarof Dental assembly and process for preparing a tooth prosthesis

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5975902A (en) * 1993-01-07 1999-11-02 Emmanuel; E Mohan Tooth securement
US5989026A (en) * 1995-05-25 1999-11-23 Implant Innovations, Inc. Ceramic two-piece dental abutment
EP1281372A1 (en) * 1996-01-05 2003-02-05 Sargon Lazarof Dental assembly and process for preparing a tooth prosthesis
WO1999008620A1 (en) * 1997-08-19 1999-02-25 Astra Aktiebolag (Publ) Dental implant systems

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