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Characteristics of implant‐CAD/CAM abutment connections of two different internal connection systems

Identifieur interne : 003C86 ( Main/Exploration ); précédent : 003C85; suivant : 003C87

Characteristics of implant‐CAD/CAM abutment connections of two different internal connection systems

Auteurs : T. Sumi [Japon] ; M. Braian [Suède] ; A. Shimada [Danemark] ; N. Shibata ; K. Takeshita [Japon] ; S. Vandeweghe [Suède, Belgique] ; P. G. Coelho [États-Unis] ; A. Wennerberg [Suède] ; R. Jimbo [Suède]

Source :

Journal of Oral Rehabilitation [ 0305-182X ] ; 2012-05.

RBID : ISTEX:3175938A20F4B1529E9248928CCDBC29434D6D43

Descripteurs français

Wicri :
- topic : Titane.

English descriptors

Abstract

Summary Titanium or zirconium computer‐aided design/computer‐aided manufacturing abutments are now widely used for aesthetic implant treatments; however, information regarding microscopic structural differences that may influence the biological and mechanical outcomes of different implant systems is limited. Therefore, the characteristics of different connection systems were investigated. Optical microscopic observation and scanning electron microscopy showed different characteristics of two internal systems, namely the Astra Tech and the Replace Select system, and for different materials. The scanning electron microscopic observation showed for the Astra Tech that the implant–abutment interface seemed to be completely sealed for both titanium and zirconium abutments, both horizontally and sagittally; however, the first implant–abutment contact was below the fixture top, creating a microgap, and fixtures connected with titanium abutments showed significantly larger values (23·56 μm ± 5·44 in width, and 168·78 μm ± 30·39 in depth, P < 0·001). For Replace Select, scanning electron microscopy in the sagittal direction showed that the sealing of titanium and zirconium abutments differed. The seal between the implant–titanium and implant–zirconium abutments seemed to be complete at the butt‐joint interface; however, the displacement of the abutment in relation to the fixture in the lateral direction was evident for both abutments with no statistical differences (P > 0·70), creating an inverted microgap. Thus, microscopy evaluation of two commonly used internal systems connected to titanium or zirconium abutments showed that the implant–abutment interface was perfectly sealed under no‐loading conditions. However, an inverted microgap was seen in both systems, which may result in bacterial accumulation as well as alteration of stress distribution at the implant–abutment interface.

Url:

https://api.istex.fr/document/3175938A20F4B1529E9248928CCDBC29434D6D43/fulltext/pdf

DOI: 10.1111/j.1365-2842.2011.02273.x

Affiliations:

Belgique, Danemark, Japon, Suède, États-Unis
Région de Kantō, État de New York
Tokyo

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Le document en format XML

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<term>Abutment connection</term>
<term>Abutment groups</term>
<term>Abutment interface</term>
<term>Abutment surface</term>
<term>Abutments scanning electron microscope observation</term>
<term>Astra</term>
<term>Astra tech</term>
<term>Astra tech system</term>
<term>Atlantis</term>
<term>Bacterial accumulation</term>
<term>Biomechanical aspects</term>
<term>Blackwell publishing</term>
<term>Bone loss</term>
<term>Connection implant systems</term>
<term>Current study</term>
<term>Dent</term>
<term>Different abutment materials</term>
<term>Different characteristics</term>
<term>Different connection systems</term>
<term>Different implant systems</term>
<term>Dynamic loading conditions</term>
<term>Excessive stress concentration</term>
<term>External systems</term>
<term>Horizontal view</term>
<term>Implant</term>
<term>Implant abutment</term>
<term>Implant dent</term>
<term>Implant system</term>
<term>Implant systems</term>
<term>Individual case</term>
<term>Interface</term>
<term>Internal connection</term>
<term>Internal connection systems</term>
<term>Internal surface</term>
<term>Internal systems</term>
<term>Inverted microgap</term>
<term>Larger values</term>
<term>Lateral direction</term>
<term>Major implant systems</term>
<term>Malmo university</term>
<term>Marginal bone loss</term>
<term>Mechanical outcomes</term>
<term>Microgap</term>
<term>Nite element analysis</term>
<term>Optical microscope</term>
<term>Oral maxillofac implants</term>
<term>Oral rehabil</term>
<term>Private practice</term>
<term>Procera</term>
<term>Sagittal</term>
<term>Sagittal direction</term>
<term>Sagittal view</term>
<term>Scanning electron microscope</term>
<term>Scanning electron microscopy</term>
<term>Sealing capability</term>
<term>Stress distribution</term>
<term>Tioblast</term>
<term>Tioblast atlantis</term>
<term>Titanium</term>
<term>Xture</term>
<term>Zirconium abutments</term>
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<keywords scheme="Teeft" xml:lang="en"><term>Abutment</term>
<term>Abutment connection</term>
<term>Abutment groups</term>
<term>Abutment interface</term>
<term>Abutment surface</term>
<term>Abutments scanning electron microscope observation</term>
<term>Astra</term>
<term>Astra tech</term>
<term>Astra tech system</term>
<term>Atlantis</term>
<term>Bacterial accumulation</term>
<term>Biomechanical aspects</term>
<term>Blackwell publishing</term>
<term>Bone loss</term>
<term>Connection implant systems</term>
<term>Current study</term>
<term>Dent</term>
<term>Different abutment materials</term>
<term>Different characteristics</term>
<term>Different connection systems</term>
<term>Different implant systems</term>
<term>Dynamic loading conditions</term>
<term>Excessive stress concentration</term>
<term>External systems</term>
<term>Horizontal view</term>
<term>Implant</term>
<term>Implant abutment</term>
<term>Implant dent</term>
<term>Implant system</term>
<term>Implant systems</term>
<term>Individual case</term>
<term>Interface</term>
<term>Internal connection</term>
<term>Internal connection systems</term>
<term>Internal surface</term>
<term>Internal systems</term>
<term>Inverted microgap</term>
<term>Larger values</term>
<term>Lateral direction</term>
<term>Major implant systems</term>
<term>Malmo university</term>
<term>Marginal bone loss</term>
<term>Mechanical outcomes</term>
<term>Microgap</term>
<term>Nite element analysis</term>
<term>Optical microscope</term>
<term>Oral maxillofac implants</term>
<term>Oral rehabil</term>
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<term>Sagittal direction</term>
<term>Sagittal view</term>
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<term>Scanning electron microscopy</term>
<term>Sealing capability</term>
<term>Stress distribution</term>
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<front><div type="abstract">Summary  Titanium or zirconium computer‐aided design/computer‐aided manufacturing abutments are now widely used for aesthetic implant treatments; however, information regarding microscopic structural differences that may influence the biological and mechanical outcomes of different implant systems is limited. Therefore, the characteristics of different connection systems were investigated. Optical microscopic observation and scanning electron microscopy showed different characteristics of two internal systems, namely the Astra Tech and the Replace Select system, and for different materials. The scanning electron microscopic observation showed for the Astra Tech that the implant–abutment interface seemed to be completely sealed for both titanium and zirconium abutments, both horizontally and sagittally; however, the first implant–abutment contact was below the fixture top, creating a microgap, and fixtures connected with titanium abutments showed significantly larger values (23·56 μm ± 5·44 in width, and 168·78 μm ± 30·39 in depth, P < 0·001). For Replace Select, scanning electron microscopy in the sagittal direction showed that the sealing of titanium and zirconium abutments differed. The seal between the implant–titanium and implant–zirconium abutments seemed to be complete at the butt‐joint interface; however, the displacement of the abutment in relation to the fixture in the lateral direction was evident for both abutments with no statistical differences (P > 0·70), creating an inverted microgap. Thus, microscopy evaluation of two commonly used internal systems connected to titanium or zirconium abutments showed that the implant–abutment interface was perfectly sealed under no‐loading conditions. However, an inverted microgap was seen in both systems, which may result in bacterial accumulation as well as alteration of stress distribution at the implant–abutment interface.</div>
</front>
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<affiliations><list><country><li>Belgique</li>
<li>Danemark</li>
<li>Japon</li>
<li>Suède</li>
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<country name="États-Unis"><region name="État de New York"><name sortKey="Coelho, P G" sort="Coelho, P G" uniqKey="Coelho P" first="P. G." last="Coelho">P. G. Coelho</name>
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Characteristics of implant‐CAD/CAM abutment connections of two different internal connection systems

Characteristics of implant‐CAD/CAM abutment connections of two different internal connection systems

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri