Mandibular deformation in subjects with osseointegrated implants.
Identifieur interne : 004897 ( PubMed/Curation ); précédent : 004896; suivant : 004898Mandibular deformation in subjects with osseointegrated implants.
Auteurs : J A Hobkirk [Royaume-Uni] ; J. SchwabSource :
- The International journal of oral & maxillofacial implants [ 0882-2786 ] ; 1991.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical : Dental Implants.
- physiopathology : Jaw, Edentulous, Mandible.
- Aged, Biomechanical Phenomena, Bite Force, Dental Stress Analysis, Female, Humans, Male, Middle Aged, Pilot Projects, Regression Analysis, Stress, Mechanical, Transducers.
Abstract
Relative movement and force transmission between osseointegrated (OI) implants in the premolar regions of the edentulous mandible have been measured using intraoral transducers linked to OI implants. These have shown deformations of up to 420 microns and force transmission of up to 16 N as a result of jaw movement from the rest position. Greater displacements and forces were observed in active opening and protrusion than in lateral excursions. There were wide variations from subject to subject, and while the effects of these phenomena are not known, they may be potentially harmful to the interfaces between the implants and bone and the various components of the implant superstructure.
PubMed: 1813399
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pubmed:1813399Le document en format XML
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<term>Dental Stress Analysis</term>
<term>Female</term>
<term>Humans</term>
<term>Jaw, Edentulous (physiopathology)</term>
<term>Male</term>
<term>Mandible (physiopathology)</term>
<term>Middle Aged</term>
<term>Pilot Projects</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Adulte d'âge moyen</term>
<term>Analyse de régression</term>
<term>Analyse du stress dentaire</term>
<term>Contrainte mécanique</term>
<term>Femelle</term>
<term>Force occlusale</term>
<term>Humains</term>
<term>Implants dentaires</term>
<term>Mandibule (physiopathologie)</term>
<term>Mâchoire édentée (physiopathologie)</term>
<term>Mâle</term>
<term>Phénomènes biomécaniques</term>
<term>Projets pilotes</term>
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<term>Bite Force</term>
<term>Dental Stress Analysis</term>
<term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Pilot Projects</term>
<term>Regression Analysis</term>
<term>Stress, Mechanical</term>
<term>Transducers</term>
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<keywords scheme="MESH" xml:lang="fr"><term>Adulte d'âge moyen</term>
<term>Analyse de régression</term>
<term>Analyse du stress dentaire</term>
<term>Contrainte mécanique</term>
<term>Femelle</term>
<term>Force occlusale</term>
<term>Humains</term>
<term>Implants dentaires</term>
<term>Mâle</term>
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<term>Projets pilotes</term>
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<front><div type="abstract" xml:lang="en">Relative movement and force transmission between osseointegrated (OI) implants in the premolar regions of the edentulous mandible have been measured using intraoral transducers linked to OI implants. These have shown deformations of up to 420 microns and force transmission of up to 16 N as a result of jaw movement from the rest position. Greater displacements and forces were observed in active opening and protrusion than in lateral excursions. There were wide variations from subject to subject, and while the effects of these phenomena are not known, they may be potentially harmful to the interfaces between the implants and bone and the various components of the implant superstructure.</div>
</front>
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<Abstract><AbstractText>Relative movement and force transmission between osseointegrated (OI) implants in the premolar regions of the edentulous mandible have been measured using intraoral transducers linked to OI implants. These have shown deformations of up to 420 microns and force transmission of up to 16 N as a result of jaw movement from the rest position. Greater displacements and forces were observed in active opening and protrusion than in lateral excursions. There were wide variations from subject to subject, and while the effects of these phenomena are not known, they may be potentially harmful to the interfaces between the implants and bone and the various components of the implant superstructure.</AbstractText>
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