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Biomechanical comparison of straight and staggered implant placement configurations.

Identifieur interne : 001259 ( Ncbi/Curation ); précédent : 001258; suivant : 001260

Biomechanical comparison of straight and staggered implant placement configurations.

Auteurs : Hidemi Itoh [Japon] ; Angelo A. Caputo ; Toshifumi Kuroe ; Hiroko Nakahara

Source :

RBID : pubmed:14984145

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English descriptors

Abstract

The effect of buccolingual staggered implant placement on stress distribution within the supporting structure was examined photoelastically. Two photoelastic models of a human mandible, edentulous distal to the canine, were fabricated. Three screw-type implants were embedded into the edentulous region of each model. The implants were placed in a straight line in one model and in a buccolingual staggered configuration in the other. Vertical and lateral loads were applied to a fixed partial denture superstructure. No clear biomechanical advantage to a staggered 1.5 mm buccal and lingual offset placement configuration was observed.

PubMed: 14984145

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pubmed:14984145

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<nlm:affiliation>Division of Stomatognathic Physiology and Prosthodontics, Graduate School of Dentistry, Tohoku University, Sendai, Japan.</nlm:affiliation>
<country xml:lang="fr">Japon</country>
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<name sortKey="Kuroe, Toshifumi" sort="Kuroe, Toshifumi" uniqKey="Kuroe T" first="Toshifumi" last="Kuroe">Toshifumi Kuroe</name>
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<term>Dental Models</term>
<term>Dental Stress Analysis</term>
<term>Elasticity</term>
<term>Humans</term>
<term>Image Processing, Computer-Assisted</term>
<term>Jaw, Edentulous, Partially (rehabilitation)</term>
<term>Mandible</term>
<term>Photography, Dental</term>
<term>Stress, Mechanical</term>
<term>Weight-Bearing</term>
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<term>Analyse du stress dentaire</term>
<term>Biréfringence</term>
<term>Contrainte mécanique</term>
<term>Humains</term>
<term>Implants dentaires</term>
<term>Mandibule</term>
<term>Mise en charge</term>
<term>Modèles dentaires</term>
<term>Mâchoire partiellement édentée (rééducation et réadaptation)</term>
<term>Photographie dentaire</term>
<term>Pose d'implant dentaire endo-osseux ()</term>
<term>Résistance à la compression</term>
<term>Traitement d'image par ordinateur</term>
<term>Élasticité</term>
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<term>Mandible</term>
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<term>Implants dentaires</term>
<term>Mandibule</term>
<term>Mise en charge</term>
<term>Modèles dentaires</term>
<term>Photographie dentaire</term>
<term>Pose d'implant dentaire endo-osseux</term>
<term>Résistance à la compression</term>
<term>Traitement d'image par ordinateur</term>
<term>Élasticité</term>
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<front>
<div type="abstract" xml:lang="en">The effect of buccolingual staggered implant placement on stress distribution within the supporting structure was examined photoelastically. Two photoelastic models of a human mandible, edentulous distal to the canine, were fabricated. Three screw-type implants were embedded into the edentulous region of each model. The implants were placed in a straight line in one model and in a buccolingual staggered configuration in the other. Vertical and lateral loads were applied to a fixed partial denture superstructure. No clear biomechanical advantage to a staggered 1.5 mm buccal and lingual offset placement configuration was observed.</div>
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