EdenteV2, France, Analysis, bibRecord, 000284

Influence of Implant Length and Bicortical Anchorage on Implant Stress Distribution

Identifieur interne : 000284 ( France/Analysis ); précédent : 000283; suivant : 000285

Influence of Implant Length and Bicortical Anchorage on Implant Stress Distribution

Auteurs : Laurent Pierrisnard [France] ; Franck Renouard [France] ; Patrick Renault [France] ; Michel Barquins [France]

Source :

Clinical Implant Dentistry and Related Research [ 1523-0899 ] ; 2003-12.

RBID : ISTEX:74A6AF563AC2406B598B1B6C558CBD183EEA6284

English descriptors

Abstract

Background: Short implants present superior failure rates for everybody. Purpose: The aim of this theoretic study was to assess to what extent implant length and bicortical anchorage affect the way stress is transferred to implant components, the implant proper, and the surrounding bone. Materials and Methods: Stress analysis was performed using finite element analysis. A three‐dimensional linear elastic model was generated. All implants modeled were of the same diameter (3.75 mm) but varied in length, at 6, 7, 8, 9, 10, 11, and 12 mm (Branemark System®, Nobel Biocare AB, Gothenburg, Sweden). Each implant was modeled with a titanium abutment screw and abutment, a gold cylinder and prosthetic screw, and a ceramic crown. The implants were seated in a supporting bone structure consisting of cortical and cancellous bone. An occlusal load of 100 N was applied at a 30° angle to the buccolingual plane. Results: With the selected model and bone properties, the coronal cortical anchorage was dominating, and the bone stress concentrated to that area. Conclusions: The maximum bone stress was virtually constant, independent of implant length and bicortical anchorage. The maximum implant stress, however, increased somewhat with implant length and bicortical anchorage.

Url:

https://api.istex.fr/document/74A6AF563AC2406B598B1B6C558CBD183EEA6284/fulltext/pdf

DOI: 10.1111/j.1708-8208.2003.tb00208.x

Affiliations:

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Le document en format XML

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<term>Bicortical implant</term>
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<term>Clinical implant dentistry</term>
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<term>Implant displacement</term>
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<term>Implant neck</term>
<term>Long implants</term>
<term>Maxillofac</term>
<term>Mechanical properties</term>
<term>Monocortical</term>
<term>Monocortical anchorage</term>
<term>Monocortical implant</term>
<term>Occlusal load</term>
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<term>Short implants</term>
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<term>Stress intensity</term>
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<term>Implant displacement</term>
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<term>Long implants</term>
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<front><div type="abstract" xml:lang="en">Background: Short implants present superior failure rates for everybody. Purpose: The aim of this theoretic study was to assess to what extent implant length and bicortical anchorage affect the way stress is transferred to implant components, the implant proper, and the surrounding bone. Materials and Methods: Stress analysis was performed using finite element analysis. A three‐dimensional linear elastic model was generated. All implants modeled were of the same diameter (3.75 mm) but varied in length, at 6, 7, 8, 9, 10, 11, and 12 mm (Branemark System®, Nobel Biocare AB, Gothenburg, Sweden). Each implant was modeled with a titanium abutment screw and abutment, a gold cylinder and prosthetic screw, and a ceramic crown. The implants were seated in a supporting bone structure consisting of cortical and cancellous bone. An occlusal load of 100 N was applied at a 30° angle to the buccolingual plane. Results: With the selected model and bone properties, the coronal cortical anchorage was dominating, and the bone stress concentrated to that area. Conclusions: The maximum bone stress was virtually constant, independent of implant length and bicortical anchorage. The maximum implant stress, however, increased somewhat with implant length and bicortical anchorage.</div>
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Influence of Implant Length and Bicortical Anchorage on Implant Stress Distribution

Influence of Implant Length and Bicortical Anchorage on Implant Stress Distribution

Source :

English descriptors

Abstract

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