ES2530290A1 - Implant and transepithelial abutment assembly - Google Patents

Implant and transepithelial abutment assembly Download PDF

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Publication number
ES2530290A1
ES2530290A1 ES201331154A ES201331154A ES2530290A1 ES 2530290 A1 ES2530290 A1 ES 2530290A1 ES 201331154 A ES201331154 A ES 201331154A ES 201331154 A ES201331154 A ES 201331154A ES 2530290 A1 ES2530290 A1 ES 2530290A1
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section
implant
assembly according
abutment
transepithelial
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ES2530290B1 (en
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Joan PI URGELL
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Priority to ES201331154A priority Critical patent/ES2530290B1/en
Priority to PCT/ES2014/070466 priority patent/WO2015011312A1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0022—Self-screwing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0054—Connecting devices for joining an upper structure with an implant member, e.g. spacers having a cylindrical implant connecting part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0069—Connecting devices for joining an upper structure with an implant member, e.g. spacers tapered or conical connection

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & 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)
  • Prostheses (AREA)

Abstract

The invention relates to an assembly consisting of an implant (1) and a transepithelial abutment (2), wherein the abutment (2) comprises a first section (2A) for screwing into the implant (1), a second section (2B) for being in contact with the subepithelial connective tissue (TCS), and a third section (2C) for joining to a prosthesis, wherein the second section (2B) is a cylindrically symmetric surface (3) with a concave cross-section, such that a space is defined for receiving the subepithelial connective tissue (TCS).

Description

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DESCRIPCIÓN DESCRIPTION

Conjunto de implante y pilar transepitelial Implant and transepithelial abutment assembly

5 La presente invención se refiere a un conjunto de implante y pilar transepitelial que comprende características que disminuyen la posibilidad de periimplantitis . The present invention relates to a transepithelial implant and abutment assembly comprising features that decrease the possibility of periimplantitis.

Antecedentes de la invención Background of the invention

10 Son conocidos los conjuntos de implante y pilar transepitelial, en el que el pilar comprende un primer tramo de roscado en el implante, un segundo tramo destinado a estar en contacto con el tejido conectivo subepitelial, y un tercer tramo de unión con una prótesis. The implant and transepithelial abutment assemblies are known, in which the abutment comprises a first section of threading in the implant, a second section destined to be in contact with the subepithelial connective tissue, and a third section of union with a prosthesis.

Son ejemplos de estos conjuntos los que se describen en los documentos FR 2 922 752. Examples of these assemblies are those described in FR 2 922 752.

15 En los documentos EP2002799, WO2008138644, WO200112096 o EP2108330 describen implantes de una sola pieza que presentan una cavidad intermedia. In EP2002799, WO2008138644, WO200112096 or EP2108330 describe single-piece implants having an intermediate cavity.

Por otro lado, son conocidos los pilares que comprenden un tramo intermedio provisto de 20 una concavidad en forma de medio toro, destinado al alojamiento de parte del hueso periimplantario. On the other hand, the pillars are known which comprise an intermediate section provided with a concavity in the form of a half-bull, intended for the accommodation of part of the peri-implant bone.

El inventor ha podido comprobar que en estos pilares, concebidos para que el hueso se aloje en dicha concavidad, el hueso periimplantario se remodela por debajo de la 25 concavidad, tal como se ilustra mediante las figuras 9 y 10, que ilustran un implante del estado de la técnica, hasta dejar de cubrir la concavidad del implante. The inventor has been able to verify that in these pillars, designed so that the bone is lodged in said concavity, the peri-implant bone is remodeled below the concavity, as illustrated by Figures 9 and 10, which illustrate an implant of the state of the technique, until it stops covering the concavity of the implant.

Esta situación da lugar a un mayor riesgo de sufrir periimplantitis por parte del paciente. This situation leads to an increased risk of suffering from peri-implantitis by the patient.

30 Descripción de la invención Description of the invention

La presente invención tiene por objeto dar una solución a las carencias del estado de la técnica mediante un conjunto de implante y pilar transepitelial, en el que el pilar comprende un primer tramo de roscado en el implante, un segundo tramo destinado a estar en contacto 35 con el tejido conectivo subepitelial, y un tercer tramo de unión con una prótesis, que se caracteriza por el hecho de que el segundo tramo es una superficie de simetría cilíndrica y The object of the present invention is to provide a solution to the shortcomings of the state of the art by means of an implant and transepithelial abutment assembly, in which the abutment comprises a first section of threading in the implant, a second section intended to be in contact 35 with the subepithelial connective tissue, and a third section of union with a prosthesis, which is characterized by the fact that the second section is a surface of cylindrical symmetry and

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de sección cóncava, de modo que se define un volumen de alojamiento del tejido conectivo subepitelial. of concave section, so that a housing volume of the subepithelial connective tissue is defined.

Por lo tanto, a diferencia de los conjuntos descritos en el estado de la técnica, la 5 mencionada concavidad está destinada a alojar el tejido conectivo epitelial en lugar del hueso perimplantario. Therefore, unlike the assemblies described in the state of the art, the aforementioned concavity is intended to accommodate the epithelial connective tissue instead of the perimplantar bone.

Según diversas características opcionales de la invención: According to various optional features of the invention:

10 -la sección cóncava es una curva. 10 -the concave section is a curve.

-el borde superior del implante es de sección cónica, de modo que se define una superficie biselada. -the upper edge of the implant is of conical section, so that a beveled surface is defined.

15 -la superficie de simetría cilíndrica y la superficie biselada son tangentes al nivel del círculo de unión entre ambas superficies. 15 -the surface of cylindrical symmetry and the beveled surface are tangent at the level of the circle of union between both surfaces.

-el implante comprende un primer tramo inferior, un segundo tramo central, y un tercer tramo superior, en el que el primer tramo inferior es de sección cónica, el segundo tramo es 20 de sección cilíndrica y el tercer tramo es de sección cilíndrica, comprendiendo los tramos primero y segundo una superficie fileteada continua. - the implant comprises a first lower section, a second central section, and a third upper section, in which the first lower section is of conical section, the second section is cylindrical section 20 and the third section is cylindrical section, comprising the first and second sections a continuous filleted surface.

-los tramos primero y segundo del implante están grabados al ácido y el tercer tramo está provisto de microespiras mecanizadas. -the first and second sections of the implant are etched with acid and the third section is provided with mechanized microspieces.

25 25

-el que la altura del segundo tramo (2B) del pilar transepitelial está comprendida entre 1,4 y 1,6 mm o bien entre 2,4 y 2,6 mm. - that the height of the second section (2B) of the transepithelial abutment is between 1.4 and 1.6 mm or between 2.4 and 2.6 mm.

Finalmente, el radio superior del segundo tramo está comprendido entre 4,7 y 4,9 mm y el 30 radio inferior entre 3,2 y 3,4 mm. Finally, the upper radius of the second section is between 4.7 and 4.9 mm and the lower radius between 3.2 and 3.4 mm.

Breve descripción de las figuras Brief description of the figures

Para mejor comprensión de cuanto se ha expuesto se acompañan unos dibujos en los que, 35 esquemáticamente y tan sólo a título de ejemplo no limitativo, se representan unos casos prácticos de realización. For a better understanding of what has been exposed, some drawings are attached in which, schematically and only by way of non-limiting example, some practical cases of realization are represented.

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Las figuras 1 y 3 son alzados de dos realizaciones de pilar transepitelial según la invención. Figures 1 and 3 are elevations of two embodiments of transepithelial abutment according to the invention.

Las figuras 2 y 4 son las vistas en plantas desde encima de los pilares de las figuras 1 y 3. 5 Las figuras 5 y 7 son alzados de dos realizaciones de implante según la invención. Figures 2 and 4 are the plan views from above the pillars of Figures 1 and 3. 5 Figures 5 and 7 are elevations of two implant embodiments according to the invention.

Las figuras 6 y 8 son las vistas en plantas desde encima de los implantes de las figuras 5 y Figures 6 and 8 are the plan views from above the implants of Figures 5 and

7. 7.

10 La figura 9 muestra un conjunto montado de implante y pilar transepitelial según la presente invención. 10 Figure 9 shows an assembled implant and transepithelial abutment assembly according to the present invention.

Las figuras 10 y 11 muestran el retraimiento del hueso en un implante según el estado de la 15 técnica. Figures 10 and 11 show the bone retraction in an implant according to the state of the art.

La figura 12 muestra el conjunto según la invención y la disposición relativa de los tejidos. Figure 12 shows the assembly according to the invention and the relative arrangement of the tissues.

Se destaca que las figuras 1 a 8 están todas a escala. 20 It is emphasized that figures 1 to 8 are all to scale. twenty

Descripción de una realización preferida Description of a preferred embodiment

Tal como puede apreciarse en las figuras 1 a 9 y 12, la invención se refiere a un conjunto de implante 1 y pilar transepitelial 2, en el que el pilar 2 comprende un primer tramo 2A de 25 roscado en el implante 1, un segundo tramo 2B destinado a estar en contacto con el tejido conectivo subepitelial TCS, y un tercer tramo 2C de unión con una prótesis. As can be seen in Figures 1 to 9 and 12, the invention relates to an implant assembly 1 and transepithelial abutment 2, in which the abutment 2 comprises a first section 2A of 25 threaded into the implant 1, a second section 2B intended to be in contact with the TCS subepithelial connective tissue, and a third section 2C connecting with a prosthesis.

Siendo estas características conocidas, según la presente invención, segundo tramo 2B es una superficie de simetría cilíndrica 3 y de sección cóncava, de modo que se define un 30 volumen de alojamiento del tejido conectivo subepitelial TCS. Being these known characteristics, according to the present invention, second section 2B is a surface of cylindrical symmetry 3 and of concave section, so that a housing volume of the subepithelial connective tissue TCS is defined.

Por lo tanto, el hueso periimplantario H y el tejido conectivo subepitelial TCS se disponen, en relación con el conjunto según la invención, tal como se muestra en la figura 12. Therefore, the peri-implant bone H and the subepithelial connective tissue TCS are arranged, in relation to the assembly according to the invention, as shown in Figure 12.

35 Tal como puede apreciarse en las vistas en alzado, dicha sección cóncava es una curva, de modo que se configura un alojamiento en forma semitoroidal. 35 As can be seen in the elevational views, said concave section is a curve, so that a housing is configured in a semitoroidal shape.

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Tal como puede apreciarse en las figuras 5 y 7, el borde superior del implante 1 es de sección cónica, de modo que se define una superficie biselada 4 y la superficie de simetría cilíndrica 3 y esta superficie biselada 4 son tangentes al nivel del círculo de unión entre As can be seen in Figures 5 and 7, the upper edge of the implant 1 is of conical section, so that a beveled surface 4 and the cylindrical symmetry surface 3 and this beveled surface 4 are tangent at the level of the circle of union between

5 ambas superficies. 5 both surfaces.

En lo que se refiere al implante, este comprende, tal como puede apreciarse en la figura 5, un primer tramo inferior 1A, un segundo tramo central 1B, y un tercer tramo superior 1C, en el que el primer tramo inferior 1A es de sección cónica, el segundo tramo 1B es de sección As regards the implant, it comprises, as can be seen in Figure 5, a first lower section 1A, a second central section 1B, and a third upper section 1C, in which the first lower section 1A is of section conical, the second section 1B is section

10 cilíndrica y el tercer tramo 1C es de sección cilíndrica, comprendiendo los tramos primero 1A y segundo 1B una superficie fileteada continua. 10 cylindrical and the third section 1C is of cylindrical section, the first 1A and second 1B sections comprising a continuous threaded surface.

Los tramos primero y segundo del implante están grabados al ácido y el tercer tramo está provisto de microespiras mecanizadas. The first and second sections of the implant are etched with acid and the third section is provided with mechanized microspipes.

15 Según una primera variante del pilar, representada en la figura 1, la altura del segundo tramo 2B del pilar transepitelial está comprendida entre 1,4 y 1,6 mm. 15 According to a first variant of the abutment, represented in Figure 1, the height of the second section 2B of the transepithelial abutment is between 1.4 and 1.6 mm.

Según una segunda variante, representada en la figura 3, la altura del segundo tramo 2B del According to a second variant, represented in Figure 3, the height of the second section 2B of the

20 pilar transepitelial está comprendida entre 2,4 y 2,6 mm, de modo que el radio de curvatura es mayor que el de la primera variante. The transepithelial abutment is between 2.4 and 2.6 mm, so that the radius of curvature is greater than that of the first variant.

En ambos casos, que el radio superior del segundo tramo 2B está comprendido entre 4,7 y 4,9 mm y el radio inferior entre 3,2 y 3,4 mm. Por radio superior debe entenderse el radio a In both cases, the upper radius of the second section 2B is between 4.7 and 4.9 mm and the lower radius between 3.2 and 3.4 mm. The upper radius must be understood as the radius

25 la altura de la línea horizontal a trazos de la figura 1 que delimita superiormente la superficie cóncava, y el inferior es el de la línea horizontal de esta misma figura que delimita inferiormente esta superficie. 25 the height of the horizontal dashed line of Figure 1 that delimits the concave surface superiorly, and the lower one is that of the horizontal line of this same figure that delimits this surface inferiorly.

En resumen, el conjunto de pilar e implante según la invención proporciona un espacio para In summary, the abutment and implant assembly according to the invention provides a space for

30 alojar el tejido conectivo subepitelial, factor muy importante para la manutención del hueso periimplantario y que permite evitar de este modo el desarrollo de una Periimplantitis, uno de los mayores problemas que pueden afectar a la supervivencia de los implantes. 30 housing the subepithelial connective tissue, a very important factor for the maintenance of peri-implant bone and thus preventing the development of Periimplantitis, one of the biggest problems that can affect the survival of the implants.

A pesar de que se ha hecho referencia a una realización concreta de la invención, es Although reference has been made to a specific embodiment of the invention, it is

35 evidente para un experto en la materia que la batería y el procedimiento descritos son susceptibles de numerosas variaciones y modificaciones, y que todos los detalles It is clear to a person skilled in the art that the described battery and the procedure are susceptible of numerous variations and modifications, and that all the details

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mencionados pueden ser substituidos por otros técnicamente equivalentes, sin apartarse del ámbito de protección definido por las reivindicaciones adjuntas. These can be substituted by others that are technically equivalent, without departing from the scope of protection defined by the appended claims.

Claims (7)

REIVINDICACIONES 1. Conjunto de implante (1) y pilar transepitelial (2), en el que el pilar (2) comprende un primer tramo (2A) de roscado en el implante (1), un segundo tramo (2B) destinado a estar en 1. Implant assembly (1) and transepithelial abutment (2), in which the abutment (2) comprises a first section (2A) threaded into the implant (1), a second section (2B) intended to be in 5 contacto con el tejido conectivo subepitelial (TCS), y un tercer tramo (2C) de unión con una prótesis, caracterizado por el hecho de que el segundo tramo (2B) es una superficie de simetría cilíndrica (3) y de sección cóncava, de modo que se define un volumen de alojamiento del tejido conectivo subepitelial (TCS). 5 contact with the subepithelial connective tissue (TCS), and a third section (2C) connecting with a prosthesis, characterized by the fact that the second section (2B) is a surface of cylindrical symmetry (3) and concave section, so that a housing volume of subepithelial connective tissue (TCS) is defined.
10 2. Conjunto según la reivindicación anterior, en el que dicha sección cóncava es una curva. Assembly according to the preceding claim, wherein said concave section is a curve.
3. Conjunto según cualquiera de las reivindicaciones anteriores, en el que el borde superior del implante (1) es de sección cónica, de modo que se define una superficie biselada (4). 3. Assembly according to any of the preceding claims, wherein the upper edge of the implant (1) is of conical section, so that a beveled surface (4) is defined.
15 4. Conjunto según la reivindicación anterior, en el que la superficie de simetría cilíndrica (3) y la superficie biselada (4) son tangentes al nivel del círculo de unión entre ambas superficies. Assembly according to the preceding claim, in which the cylindrical symmetry surface (3) and the beveled surface (4) are tangent to the level of the circle of union between both surfaces.
5. Conjunto según cualquiera de las reivindicaciones anteriores, en el que el implante comprende un primer tramo inferior (1A), un segundo tramo central (1B), y un tercer tramo 5. Assembly according to any of the preceding claims, wherein the implant comprises a first lower section (1A), a second central section (1B), and a third section 20 superior (1C), en el que el primer tramo inferior (1A) es de sección cónica, el segundo tramo (1B) es de sección cilíndrica y el tercer tramo (1C) es de sección cilíndrica, comprendiendo los tramos primero (1A) y segundo (1B) una superficie fileteada continua. 20 (1C), in which the first lower section (1A) is of conical section, the second section (1B) is cylindrical and the third section (1C) is cylindrical, comprising the first sections (1A) and second (1B) a continuous filleted surface. 6. Conjunto según la reivindicación anterior, en el que los tramos primero y segundo del 6. Assembly according to the preceding claim, wherein the first and second sections of the 25 implante están grabados al ácido y el tercer tramo está provisto de microespiras mecanizadas. 25 implants are acid etched and the third section is provided with mechanized microspieces. 7. Conjunto según cualquiera de las reivindicaciones anteriores, en el que la altura del 7. Assembly according to any of the preceding claims, wherein the height of the segundo tramo (2B) del pilar transepitelial está comprendida entre 1,4 y 1,6 mm. 30 second section (2B) of the transepithelial abutment is between 1.4 and 1.6 mm. 30 8. Conjunto según cualquiera de las reivindicaciones 1 a 6, en el que la altura del segundo tramo (2B) del pilar transepitelial está comprendida entre 2,4 y 2,6 mm. 8. Assembly according to any one of claims 1 to 6, wherein the height of the second section (2B) of the transepithelial abutment is between 2.4 and 2.6 mm. 9. Conjunto según la reivindicación 7 o la 8, en el que el radio superior del segundo tramo 35 (2B) está comprendido entre 4,7 y 4,9 mm y el radio inferior entre 3,2 y 3,4 mm. 9. Assembly according to claim 7 or 8, wherein the upper radius of the second section 35 (2B) is between 4.7 and 4.9 mm and the lower radius between 3.2 and 3.4 mm. 7 7
ES201331154A 2013-07-26 2013-07-26 IMPLANT AND TRANSEPITELIAL PILLAR SET Expired - Fee Related ES2530290B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES201331154A ES2530290B1 (en) 2013-07-26 2013-07-26 IMPLANT AND TRANSEPITELIAL PILLAR SET
PCT/ES2014/070466 WO2015011312A1 (en) 2013-07-26 2014-06-05 Implant and transepithelial abutment assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201331154A ES2530290B1 (en) 2013-07-26 2013-07-26 IMPLANT AND TRANSEPITELIAL PILLAR SET

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ES2530290A1 true ES2530290A1 (en) 2015-02-27
ES2530290B1 ES2530290B1 (en) 2015-12-28

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ES201331154A Expired - Fee Related ES2530290B1 (en) 2013-07-26 2013-07-26 IMPLANT AND TRANSEPITELIAL PILLAR SET

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WO (1) WO2015011312A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013188935A1 (en) 2012-06-18 2013-12-27 Dentscare Ltda Bendable prosthetic abutment applied to osseointegrated dental implants

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH604674A5 (en) * 1975-07-17 1978-09-15 Straumann Inst Ag
US5312255A (en) * 1989-06-05 1994-05-17 Ernst Bauer Screw implant for a jawbone
KR20050022738A (en) * 2003-08-29 2005-03-08 주식회사 메가젠 Dental implant
SE534830C2 (en) * 2004-01-29 2012-01-10 Nobel Biocare Services Ag Dental implant device
FR2943242B1 (en) * 2009-03-18 2011-04-29 Tekka DENTAL IMPLANT AND PROSTHETIC ASSEMBLY COMPRISING SUCH AN IMPLANT.

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ES2530290B1 (en) 2015-12-28

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