Retention of implant-supported overdenture with bar/clip and stud attachment designs.
Identifieur interne : 002246 ( Main/Exploration ); précédent : 002245; suivant : 002247Retention of implant-supported overdenture with bar/clip and stud attachment designs.
Auteurs : Omid Savabi [Iran] ; Farahnaz Nejatidanesh ; Forough YordshahianSource :
- The Journal of oral implantology [ 0160-6972 ] ; 2013.
Descripteurs français
- KwdFr :
- Analyse du stress dentaire (instrumentation), Conception d'appareil de prothèse dentaire, Contrainte mécanique, Humains, Implants dentaires, Mandibule (anatomopathologie), Modèles dentaires, Mâchoire édentée (rééducation et réadaptation), Overdenture, Piliers dentaires, Prothèse dentaire implanto-portée, Rétention d'appareil de prothèse dentaire (instrumentation).
- MESH :
- anatomopathologie : Mandibule.
- rééducation et réadaptation : Mâchoire édentée.
- Analyse du stress dentaire, Conception d'appareil de prothèse dentaire, Contrainte mécanique, Humains, Implants dentaires, Modèles dentaires, Overdenture, Piliers dentaires, Prothèse dentaire implanto-portée, Rétention d'appareil de prothèse dentaire.
English descriptors
- KwdEn :
- MESH :
- chemical : Dental Implants.
- instrumentation : Dental Stress Analysis, Denture Retention.
- pathology : Mandible.
- rehabilitation : Jaw, Edentulous.
- Dental Abutments, Dental Models, Dental Prosthesis, Implant-Supported, Denture Design, Denture, Overlay, Humans, Stress, Mechanical.
Abstract
The degree of retention for overdenture attachments depends on design, location, and alignment of supporting dental implants and the type of attachments. The aim of this study was to evaluate the retention of an implant-supported overdenture with different attachment designs. An overdenture was made on an edentulous mandibular model with 2 ITI implants (4.1 × 10 mm) in the symphyseal region. Five specimens of 8 attachment designs with corresponding abutments and superstructures were used: ITI regular Dolder bar with 1 metal clip, ITI regular Dolder bar with cantilever and 3 metal clips, Hader bar with 1 plastic clip, Hader bar with cantilever and 3 plastic clips, Sphero block abutment with Rhein plastic caps (green, white, and pink), and retentive anchor with ITI elliptical matrix. The attachments' housings were interchangeable and fixed into the overdenture through nut and screw. The overdenture attachments were subjected to 8 consecutive pulls on a universal testing machine with a crosshead speed of 50.8 mm/min in the vertical and posteroanterior directions. Analysis of variance and Duncan tests were used to determine differences between mean retention values (α = .05). The highest average value retention was recorded for the ITI Dolder bar with cantilever and 3 metal clips in both the vertical and posteroanterior directions, respectively (P < .05). The Rhein pink caps had the lowest retention in the posteroanterior direction (P < .05). Retention decreased over the course of consecutive pulls for all attachments in both directions. The type, number, and placement of attachments affect the retention of implant-supported mandibular overdentures.
DOI: 10.1563/AAID-JOI-D-11-00016
PubMed: 21905896
Affiliations:
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uniqKey="Yordshahian F" first="Forough" last="Yordshahian">Forough Yordshahian</name></author></analytic><series><title level="j">The Journal of oral implantology</title><idno type="ISSN">0160-6972</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Dental Abutments</term><term>Dental Implants</term><term>Dental Models</term><term>Dental Prosthesis, Implant-Supported</term><term>Dental Stress Analysis (instrumentation)</term><term>Denture Design</term><term>Denture Retention (instrumentation)</term><term>Denture, Overlay</term><term>Humans</term><term>Jaw, Edentulous (rehabilitation)</term><term>Mandible (pathology)</term><term>Stress, Mechanical</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Analyse du stress dentaire (instrumentation)</term><term>Conception d'appareil de prothèse dentaire</term><term>Contrainte mécanique</term><term>Humains</term><term>Implants dentaires</term><term>Mandibule (anatomopathologie)</term><term>Modèles dentaires</term><term>Mâchoire édentée (rééducation et réadaptation)</term><term>Overdenture</term><term>Piliers dentaires</term><term>Prothèse dentaire implanto-portée</term><term>Rétention d'appareil de prothèse dentaire (instrumentation)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term></keywords><keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Mandibule</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Dental Stress Analysis</term><term>Denture Retention</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Mandible</term></keywords><keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" qualifier="rééducation et réadaptation" xml:lang="fr"><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Dental Abutments</term><term>Dental Models</term><term>Dental Prosthesis, Implant-Supported</term><term>Denture Design</term><term>Denture, Overlay</term><term>Humans</term><term>Stress, Mechanical</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse du stress dentaire</term><term>Conception d'appareil de prothèse dentaire</term><term>Contrainte mécanique</term><term>Humains</term><term>Implants dentaires</term><term>Modèles dentaires</term><term>Overdenture</term><term>Piliers dentaires</term><term>Prothèse dentaire implanto-portée</term><term>Rétention d'appareil de prothèse dentaire</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The degree of retention for overdenture attachments depends on design, location, and alignment of supporting dental implants and the type of attachments. The aim of this study was to evaluate the retention of an implant-supported overdenture with different attachment designs. An overdenture was made on an edentulous mandibular model with 2 ITI implants (4.1 × 10 mm) in the symphyseal region. Five specimens of 8 attachment designs with corresponding abutments and superstructures were used: ITI regular Dolder bar with 1 metal clip, ITI regular Dolder bar with cantilever and 3 metal clips, Hader bar with 1 plastic clip, Hader bar with cantilever and 3 plastic clips, Sphero block abutment with Rhein plastic caps (green, white, and pink), and retentive anchor with ITI elliptical matrix. The attachments' housings were interchangeable and fixed into the overdenture through nut and screw. The overdenture attachments were subjected to 8 consecutive pulls on a universal testing machine with a crosshead speed of 50.8 mm/min in the vertical and posteroanterior directions. Analysis of variance and Duncan tests were used to determine differences between mean retention values (α = .05). The highest average value retention was recorded for the ITI Dolder bar with cantilever and 3 metal clips in both the vertical and posteroanterior directions, respectively (P < .05). The Rhein pink caps had the lowest retention in the posteroanterior direction (P < .05). Retention decreased over the course of consecutive pulls for all attachments in both directions. The type, number, and placement of attachments affect the retention of implant-supported mandibular overdentures.</div></front></TEI><affiliations><list><country><li>Iran</li></country></list><tree><noCountry><name sortKey="Nejatidanesh, Farahnaz" sort="Nejatidanesh, Farahnaz" uniqKey="Nejatidanesh F" first="Farahnaz" last="Nejatidanesh">Farahnaz Nejatidanesh</name><name sortKey="Yordshahian, Forough" sort="Yordshahian, Forough" uniqKey="Yordshahian F" first="Forough" last="Yordshahian">Forough Yordshahian</name></noCountry><country name="Iran"><noRegion><name sortKey="Savabi, Omid" sort="Savabi, Omid" uniqKey="Savabi O" first="Omid" last="Savabi">Omid Savabi</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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