Success and failure in partial edentulism treated with implant-supported bridges.
Identifieur interne : 00A925 ( Main/Curation ); précédent : 00A924; suivant : 00A926Success and failure in partial edentulism treated with implant-supported bridges.
Auteurs : D G Purton ; G M Carter ; K M HunterSource :
- The New Zealand dental journal [ 0028-8047 ] ; 1994.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical : Dental Implants.
- rehabilitation : Jaw, Edentulous, Partially.
- Adult, Bicuspid, Dental Implantation, Endosseous, Dental Prosthesis Design, Dental Stress Analysis, Denture, Partial, Fixed, Female, Humans, Mandible, Molar, Prosthesis Failure.
Abstract
This report describes success and failure in the use of fixed bridges supported by Brånemark implants, placed in the mandible bilaterally in one patient and unilaterally in the other. The non-intrusive nature and excellent functional characteristics of such bridges make them an attractive alternative to a removable partial denture in making good the loss of posterior mandibular teeth. However, there are biomechanical principles which must be considered in the design of such appliances. In particular, designs which minimise bending moments should be chosen to avoid the type of failure described in one of our patients. Repeated loosening of screw components should be considered as a possible indicator of bending overload. Where space permits, this problem is most easily overcome by placing three implants in staggered formation.
PubMed: 7970335
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D G Purton<affiliation><nlm:affiliation>Department of Restorative Dentistry, School of Dentistry, University of Otago, Dunedin.</nlm:affiliation>
<wicri:noCountry code="subField">Dunedin</wicri:noCountry>
</affiliation>
Le document en format XML
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<term>Dental Implants</term>
<term>Dental Prosthesis Design</term>
<term>Dental Stress Analysis</term>
<term>Denture, Partial, Fixed</term>
<term>Female</term>
<term>Humans</term>
<term>Jaw, Edentulous, Partially (rehabilitation)</term>
<term>Mandible</term>
<term>Molar</term>
<term>Prosthesis Failure</term>
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<term>Analyse du stress dentaire</term>
<term>Conception de prothèse dentaire</term>
<term>Défaillance de prothèse</term>
<term>Femelle</term>
<term>Humains</term>
<term>Implants dentaires</term>
<term>Mandibule</term>
<term>Molaire</term>
<term>Mâchoire partiellement édentée (rééducation et réadaptation)</term>
<term>Pose d'implant dentaire endo-osseux</term>
<term>Prothèse partielle fixe</term>
<term>Prémolaire</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term>
</keywords>
<keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en"><term>Jaw, Edentulous, Partially</term>
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<keywords scheme="MESH" qualifier="rééducation et réadaptation" xml:lang="fr"><term>Mâchoire partiellement édentée</term>
</keywords>
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<term>Bicuspid</term>
<term>Dental Implantation, Endosseous</term>
<term>Dental Prosthesis Design</term>
<term>Dental Stress Analysis</term>
<term>Denture, Partial, Fixed</term>
<term>Female</term>
<term>Humans</term>
<term>Mandible</term>
<term>Molar</term>
<term>Prosthesis Failure</term>
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<term>Analyse du stress dentaire</term>
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<term>Défaillance de prothèse</term>
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<term>Implants dentaires</term>
<term>Mandibule</term>
<term>Molaire</term>
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<term>Prémolaire</term>
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<front><div type="abstract" xml:lang="en">This report describes success and failure in the use of fixed bridges supported by Brånemark implants, placed in the mandible bilaterally in one patient and unilaterally in the other. The non-intrusive nature and excellent functional characteristics of such bridges make them an attractive alternative to a removable partial denture in making good the loss of posterior mandibular teeth. However, there are biomechanical principles which must be considered in the design of such appliances. In particular, designs which minimise bending moments should be chosen to avoid the type of failure described in one of our patients. Repeated loosening of screw components should be considered as a possible indicator of bending overload. Where space permits, this problem is most easily overcome by placing three implants in staggered formation.</div>
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