Influence of attachment wear on retention of mandibular overdenture
Identifieur interne : 006533 ( Istex/Corpus ); précédent : 006532; suivant : 006534Influence of attachment wear on retention of mandibular overdenture
Auteurs : V. Rutkunas ; H. Mizutani ; H. TakahashiSource :
- Journal of Oral Rehabilitation [ 0305-182X ] ; 2007-01.
English descriptors
- KwdEn :
- Aichi steel, Attachment, Attachment type, Axial, Axial direction, Blackwell publishing, Conventional dentures, Dent, Denture, Denture component, Dislodgement, Edentulous patients, Gold alloy, Implant, Implant overdentures, Lateral, Linear dislodgement, Load cell, Locator root, Magnet, Magnet keeper, Magnetic attachments, Magnetic overdenture attachments, Mandibular, Mandibular implant overdentures, Mandibular model, Mandibular overdenture, Mandibular overdentures, Mandibular prostheses, Masticatory function, Metal ring, Occlusal plane, Oral rehabil, Oral rehabilitation, Overdenture, Overdenture attachments, Overdentures, Patient satisfaction, Previous studies, Prosthesis, Prosthet, Prosthet dent, Prosthodont, Retention, Retention range, Retentive, Retentive force, Retentive properties, Rotational, Rotational dislodgements, Simulation, Stud, Stud attachments, Stud overdenture attachments, Test group, Testing machine.
- Teeft :
- Aichi steel, Attachment, Attachment type, Axial, Axial direction, Blackwell publishing, Conventional dentures, Dent, Denture, Denture component, Dislodgement, Edentulous patients, Gold alloy, Implant, Implant overdentures, Lateral, Linear dislodgement, Load cell, Locator root, Magnet, Magnet keeper, Magnetic attachments, Magnetic overdenture attachments, Mandibular, Mandibular implant overdentures, Mandibular model, Mandibular overdenture, Mandibular overdentures, Mandibular prostheses, Masticatory function, Metal ring, Occlusal plane, Oral rehabil, Oral rehabilitation, Overdenture, Overdenture attachments, Overdentures, Patient satisfaction, Previous studies, Prosthesis, Prosthet, Prosthet dent, Prosthodont, Retention, Retention range, Retentive, Retentive force, Retentive properties, Rotational, Rotational dislodgements, Simulation, Stud, Stud attachments, Stud overdenture attachments, Test group, Testing machine.
Abstract
summary The aims of this study were: (i) to evaluate and compare retention of two‐teeth (implant) supported mandibular overdenture with either stud or magnetic attachments during linear (axial) and rotational (paraxial) dislodgements; (ii) to compare retentive properties before and after wear simulation. The test group consisted of five magnetic and four stud overdenture attachments (n = 12 specimens for each attachment type). Retention in axial direction was evaluated on one‐tooth (implant) model by measuring maximum retentive force (N) and range of retention (mm) during the linear dislodgement. Retention in the paraxial direction was evaluated on mandibular‐overdenture model by measuring the maximum retentive force (N) during three types of rotational dislodgements – anterior, lateral and posterior. The minimum number of cycles required to simulate wear was determined by special wear test. Afterwards, the wear was simulated in the test group, and retention in axial and paraxial directions was measured again. Statistical analysis: one‐way anova, Scheffe post hoc and paired‐samples t‐tests (P < 0·05). Initially, studs had higher retention (4–11 N) than magnets (4·5–6 N) in axial direction. After the wear simulation, it had decreased from 76% to 48% for some of the studs and had become similar to the retention of magnetic attachments. Magnets had lower retention range (0·2–0·3 mm) than studs (0·5–1·1 mm). Studs provided similar or higher retention in paraxial directions than magnetic attachments both before and after wear simulation. Retentive properties of magnets decreased mostly with posterior rotational dislodgement. Retentive properties of stud overdenture attachments were less constant.
Url:
DOI: 10.1111/j.1365-2842.2006.01640.x
Links to Exploration step
ISTEX:CBACDA97B352584F7A3A13B3D90F99008E9F72F0Le document en format XML
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Takahashi</name><affiliation><mods:affiliation>Department of Advanced Biomaterials, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Journal of Oral Rehabilitation</title><title level="j" type="alt">JOURNAL ORAL REHABILITATION</title><idno type="ISSN">0305-182X</idno><idno type="eISSN">1365-2842</idno><imprint><biblScope unit="vol">34</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="41">41</biblScope><biblScope unit="page" to="51">51</biblScope><biblScope unit="page-count">11</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2007-01">2007-01</date></imprint><idno type="ISSN">0305-182X</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0305-182X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aichi steel</term><term>Attachment</term><term>Attachment type</term><term>Axial</term><term>Axial direction</term><term>Blackwell publishing</term><term>Conventional dentures</term><term>Dent</term><term>Denture</term><term>Denture component</term><term>Dislodgement</term><term>Edentulous patients</term><term>Gold alloy</term><term>Implant</term><term>Implant overdentures</term><term>Lateral</term><term>Linear dislodgement</term><term>Load cell</term><term>Locator root</term><term>Magnet</term><term>Magnet keeper</term><term>Magnetic attachments</term><term>Magnetic overdenture attachments</term><term>Mandibular</term><term>Mandibular implant overdentures</term><term>Mandibular model</term><term>Mandibular overdenture</term><term>Mandibular overdentures</term><term>Mandibular prostheses</term><term>Masticatory function</term><term>Metal ring</term><term>Occlusal plane</term><term>Oral rehabil</term><term>Oral rehabilitation</term><term>Overdenture</term><term>Overdenture attachments</term><term>Overdentures</term><term>Patient satisfaction</term><term>Previous studies</term><term>Prosthesis</term><term>Prosthet</term><term>Prosthet dent</term><term>Prosthodont</term><term>Retention</term><term>Retention range</term><term>Retentive</term><term>Retentive force</term><term>Retentive properties</term><term>Rotational</term><term>Rotational dislodgements</term><term>Simulation</term><term>Stud</term><term>Stud attachments</term><term>Stud overdenture attachments</term><term>Test group</term><term>Testing machine</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Aichi steel</term><term>Attachment</term><term>Attachment type</term><term>Axial</term><term>Axial direction</term><term>Blackwell publishing</term><term>Conventional dentures</term><term>Dent</term><term>Denture</term><term>Denture component</term><term>Dislodgement</term><term>Edentulous patients</term><term>Gold alloy</term><term>Implant</term><term>Implant overdentures</term><term>Lateral</term><term>Linear dislodgement</term><term>Load cell</term><term>Locator root</term><term>Magnet</term><term>Magnet keeper</term><term>Magnetic attachments</term><term>Magnetic overdenture attachments</term><term>Mandibular</term><term>Mandibular implant overdentures</term><term>Mandibular model</term><term>Mandibular overdenture</term><term>Mandibular overdentures</term><term>Mandibular prostheses</term><term>Masticatory function</term><term>Metal ring</term><term>Occlusal plane</term><term>Oral rehabil</term><term>Oral rehabilitation</term><term>Overdenture</term><term>Overdenture attachments</term><term>Overdentures</term><term>Patient satisfaction</term><term>Previous studies</term><term>Prosthesis</term><term>Prosthet</term><term>Prosthet dent</term><term>Prosthodont</term><term>Retention</term><term>Retention range</term><term>Retentive</term><term>Retentive force</term><term>Retentive properties</term><term>Rotational</term><term>Rotational dislodgements</term><term>Simulation</term><term>Stud</term><term>Stud attachments</term><term>Stud overdenture attachments</term><term>Test group</term><term>Testing machine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract">summary The aims of this study were: (i) to evaluate and compare retention of two‐teeth (implant) supported mandibular overdenture with either stud or magnetic attachments during linear (axial) and rotational (paraxial) dislodgements; (ii) to compare retentive properties before and after wear simulation. The test group consisted of five magnetic and four stud overdenture attachments (n = 12 specimens for each attachment type). Retention in axial direction was evaluated on one‐tooth (implant) model by measuring maximum retentive force (N) and range of retention (mm) during the linear dislodgement. Retention in the paraxial direction was evaluated on mandibular‐overdenture model by measuring the maximum retentive force (N) during three types of rotational dislodgements – anterior, lateral and posterior. The minimum number of cycles required to simulate wear was determined by special wear test. Afterwards, the wear was simulated in the test group, and retention in axial and paraxial directions was measured again. Statistical analysis: one‐way anova, Scheffe post hoc and paired‐samples t‐tests (P < 0·05). Initially, studs had higher retention (4–11 N) than magnets (4·5–6 N) in axial direction. After the wear simulation, it had decreased from 76% to 48% for some of the studs and had become similar to the retention of magnetic attachments. Magnets had lower retention range (0·2–0·3 mm) than studs (0·5–1·1 mm). Studs provided similar or higher retention in paraxial directions than magnetic attachments both before and after wear simulation. Retentive properties of magnets decreased mostly with posterior rotational dislodgement. Retentive properties of stud overdenture attachments were less constant.</div></front></TEI><istex><corpusName>wiley</corpusName><keywords><teeft><json:string>overdenture</json:string><json:string>dislodgement</json:string><json:string>mandibular</json:string><json:string>overdentures</json:string><json:string>retentive properties</json:string><json:string>implant</json:string><json:string>magnetic attachments</json:string><json:string>prosthodont</json:string><json:string>denture</json:string><json:string>rotational</json:string><json:string>prosthet dent</json:string><json:string>prosthet</json:string><json:string>blackwell publishing</json:string><json:string>oral rehabilitation</json:string><json:string>attachment</json:string><json:string>stud attachments</json:string><json:string>overdenture attachments</json:string><json:string>retentive force</json:string><json:string>rotational dislodgements</json:string><json:string>mandibular overdentures</json:string><json:string>retentive</json:string><json:string>patient satisfaction</json:string><json:string>prosthesis</json:string><json:string>axial direction</json:string><json:string>retention range</json:string><json:string>simulation</json:string><json:string>mandibular overdenture</json:string><json:string>metal ring</json:string><json:string>dent</json:string><json:string>mandibular implant overdentures</json:string><json:string>masticatory function</json:string><json:string>denture component</json:string><json:string>aichi steel</json:string><json:string>gold alloy</json:string><json:string>oral rehabil</json:string><json:string>test group</json:string><json:string>magnet keeper</json:string><json:string>lateral</json:string><json:string>axial</json:string><json:string>occlusal plane</json:string><json:string>stud overdenture attachments</json:string><json:string>load cell</json:string><json:string>testing machine</json:string><json:string>mandibular prostheses</json:string><json:string>edentulous patients</json:string><json:string>mandibular model</json:string><json:string>magnetic overdenture attachments</json:string><json:string>locator root</json:string><json:string>conventional dentures</json:string><json:string>implant overdentures</json:string><json:string>attachment type</json:string><json:string>linear dislodgement</json:string><json:string>previous studies</json:string><json:string>magnet</json:string><json:string>retention</json:string><json:string>stud</json:string></teeft></keywords><author><json:item><name>V. RUTKUNAS</name><affiliations><json:string>Center of Prosthodontics, Institute of Odontology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania</json:string></affiliations></json:item><json:item><name>H. MIZUTANI</name><affiliations><json:string>Department of Removable Prosthodontics</json:string></affiliations></json:item><json:item><name>H. TAKAHASHI</name><affiliations><json:string>Department of Advanced Biomaterials, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Overdenture</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>studs</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>magnetic attachments</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>retention</value></json:item></subject><articleId><json:string>JOOR1640</json:string></articleId><arkIstex>ark:/67375/WNG-NB7R5LTQ-F</arkIstex><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>summary The aims of this study were: (i) to evaluate and compare retention of two‐teeth (implant) supported mandibular overdenture with either stud or magnetic attachments during linear (axial) and rotational (paraxial) dislodgements; (ii) to compare retentive properties before and after wear simulation. The test group consisted of five magnetic and four stud overdenture attachments (n = 12 specimens for each attachment type). Retention in axial direction was evaluated on one‐tooth (implant) model by measuring maximum retentive force (N) and range of retention (mm) during the linear dislodgement. Retention in the paraxial direction was evaluated on mandibular‐overdenture model by measuring the maximum retentive force (N) during three types of rotational dislodgements – anterior, lateral and posterior. The minimum number of cycles required to simulate wear was determined by special wear test. Afterwards, the wear was simulated in the test group, and retention in axial and paraxial directions was measured again. Statistical analysis: one‐way anova, Scheffe post hoc and paired‐samples t‐tests (P > 0·05). Initially, studs had higher retention (4–11 N) than magnets (4·5–6 N) in axial direction. After the wear simulation, it had decreased from 76% to 48% for some of the studs and had become similar to the retention of magnetic attachments. Magnets had lower retention range (0·2–0·3 mm) than studs (0·5–1·1 mm). Studs provided similar or higher retention in paraxial directions than magnetic attachments both before and after wear simulation. Retentive properties of magnets decreased mostly with posterior rotational dislodgement. Retentive properties of stud overdenture attachments were less constant.</abstract><qualityIndicators><score>9.511</score><pdfWordCount>4607</pdfWordCount><pdfCharCount>31877</pdfCharCount><pdfVersion>1.3</pdfVersion><pdfPageCount>11</pdfPageCount><pdfPageSize>595.276 x 782.362 pts</pdfPageSize><refBibsNative>true</refBibsNative><abstractWordCount>242</abstractWordCount><abstractCharCount>1721</abstractCharCount><keywordCount>4</keywordCount></qualityIndicators><title>Influence of attachment wear on retention of mandibular overdenture</title><pmid><json:string>17207077</json:string></pmid><genre><json:string>article</json:string></genre><host><title>Journal of Oral Rehabilitation</title><language><json:string>unknown</json:string></language><doi><json:string>10.1111/(ISSN)1365-2842</json:string></doi><issn><json:string>0305-182X</json:string></issn><eissn><json:string>1365-2842</json:string></eissn><publisherId><json:string>JOOR</json:string></publisherId><volume>34</volume><issue>1</issue><pages><first>41</first><last>51</last><total>11</total></pages><genre><json:string>journal</json:string></genre></host><namedEntities><unitex><date><json:string>2007</json:string></date><geogName></geogName><orgName><json:string>Kyowa Electronic Instruments Co., Tokyo, Japan</json:string><json:string>SPSS Inc., Chicago</json:string><json:string>Japan SUMMARY The</json:string><json:string>Hitachi Metals Co., Tokyo, Japan</json:string><json:string>Aichi Steel Co.</json:string><json:string>Department of Removable Prosthodontics</json:string><json:string>Nissin Dental Co.</json:string><json:string>Inoue Attachments Co., Tokyo, Japan</json:string><json:string>Shimadzu Co.</json:string><json:string>Anonymous</json:string><json:string>Blackwell Publishing Ltd</json:string><json:string>Department of Advanced Biomaterials, Graduate School, Tokyo Medical and Dental University</json:string></orgName><orgName_funder></orgName_funder><orgName_provider></orgName_provider><persName><json:string>Hitachi</json:string><json:string>N. Iwasaki</json:string></persName><placeName><json:string>Kyoto</json:string><json:string>Japan</json:string><json:string>Tokyo</json:string></placeName><ref_url></ref_url><ref_bibl></ref_bibl><bibl></bibl></unitex></namedEntities><ark><json:string>ark:/67375/WNG-NB7R5LTQ-F</json:string></ark><categories><wos><json:string>1 - science</json:string><json:string>2 - dentistry, oral surgery & medicine</json:string></wos><scienceMetrix><json:string>1 - health sciences</json:string><json:string>2 - clinical medicine</json:string><json:string>3 - dentistry</json:string></scienceMetrix><scopus><json:string>1 - Health Sciences</json:string><json:string>2 - Dentistry</json:string><json:string>3 - General Dentistry</json:string></scopus></categories><publicationDate>2007</publicationDate><copyrightDate>2007</copyrightDate><doi><json:string>10.1111/j.1365-2842.2006.01640.x</json:string></doi><id>CBACDA97B352584F7A3A13B3D90F99008E9F72F0</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/CBACDA97B352584F7A3A13B3D90F99008E9F72F0/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/CBACDA97B352584F7A3A13B3D90F99008E9F72F0/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/CBACDA97B352584F7A3A13B3D90F99008E9F72F0/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main">Influence of attachment wear on retention of mandibular overdenture</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2007-01"></date></publicationStmt><notesStmt><note type="content-type" subtype="article" source="article" scheme="https://content-type.data.istex.fr/ark:/67375/XTP-6N5SZHKN-D">article</note><note type="publication-type" subtype="journal" scheme="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</note></notesStmt><sourceDesc><biblStruct type="article"><analytic><title level="a" type="main">Influence of attachment wear on retention of mandibular overdenture</title><title level="a" type="short">RETENTION OF MANDIBULAR OVERDENTURE</title><author xml:id="author-0000"><persName><forename type="first">V.</forename><surname>RUTKUNAS</surname></persName><affiliation>Center of Prosthodontics, Institute of Odontology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania<address><country key="LT"></country></address></affiliation></author><author xml:id="author-0001"><persName><forename type="first">H.</forename><surname>MIZUTANI</surname></persName><affiliation>Department of Removable Prosthodontics</affiliation></author><author xml:id="author-0002"><persName><forename type="first">H.</forename><surname>TAKAHASHI</surname></persName><affiliation>Department of Advanced Biomaterials, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan<address><country key="JP"></country></address></affiliation></author><idno type="istex">CBACDA97B352584F7A3A13B3D90F99008E9F72F0</idno><idno type="ark">ark:/67375/WNG-NB7R5LTQ-F</idno><idno type="DOI">10.1111/j.1365-2842.2006.01640.x</idno><idno type="unit">JOOR1640</idno><idno type="toTypesetVersion">file:JOOR.JOOR1640.pdf</idno></analytic><monogr><title level="j" type="main">Journal of Oral Rehabilitation</title><title level="j" type="alt">JOURNAL ORAL REHABILITATION</title><idno type="pISSN">0305-182X</idno><idno type="eISSN">1365-2842</idno><idno type="book-DOI">10.1111/(ISSN)1365-2842</idno><idno type="book-part-DOI">10.1111/jor.2007.34.issue-1</idno><idno type="product">JOOR</idno><idno type="publisherDivision">ST</idno><imprint><biblScope unit="vol">34</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="41">41</biblScope><biblScope unit="page" to="51">51</biblScope><biblScope unit="page-count">11</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2007-01"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract xml:lang="en" style="main"><p><hi rend="bold"><hi rend="smallCaps">summary</hi>
</hi> The aims of this study were: (i) to evaluate and compare retention of two‐teeth (implant) supported mandibular overdenture with either stud or magnetic attachments during linear (axial) and rotational (paraxial) dislodgements; (ii) to compare retentive properties before and after wear simulation. The test group consisted of five magnetic and four stud overdenture attachments (<hi rend="italic">n</hi> = 12 specimens for each attachment type). Retention in axial direction was evaluated on one‐tooth (implant) model by measuring maximum retentive force (N) and range of retention (mm) during the linear dislodgement. Retention in the paraxial direction was evaluated on mandibular‐overdenture model by measuring the maximum retentive force (N) during three types of rotational dislodgements – anterior, lateral and posterior. The minimum number of cycles required to simulate wear was determined by special wear test. Afterwards, the wear was simulated in the test group, and retention in axial and paraxial directions was measured again. Statistical analysis: one‐way <hi rend="smallCaps">anova</hi>, Scheffe <hi rend="italic">post hoc</hi> and paired‐samples <hi rend="italic">t</hi>‐tests (<hi rend="italic">P</hi> < 0·05). Initially, studs had higher retention (4–11 N) than magnets (4·5–6 N) in axial direction. After the wear simulation, it had decreased from 76% to 48% for some of the studs and had become similar to the retention of magnetic attachments. Magnets had lower retention range (0·2–0·3 mm) than studs (0·5–1·1 mm). Studs provided similar or higher retention in paraxial directions than magnetic attachments both before and after wear simulation. Retentive properties of magnets decreased mostly with posterior rotational dislodgement. Retentive properties of stud overdenture attachments were less constant.</p></abstract><textClass><keywords xml:lang="en"><term xml:id="k1">Overdenture</term><term xml:id="k2">studs</term><term xml:id="k3">magnetic attachments</term><term xml:id="k4">retention</term></keywords><keywords rend="tocHeading1"><term>Original articles</term></keywords></textClass><langUsage><language ident="en"></language></langUsage></profileDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/CBACDA97B352584F7A3A13B3D90F99008E9F72F0/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Blackwell Publishing Ltd</publisherName><publisherLoc>Oxford, UK</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1365-2842</doi><issn type="print">0305-182X</issn><issn type="electronic">1365-2842</issn><idGroup><id type="product" value="JOOR"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="JOURNAL ORAL REHABILITATION">Journal of Oral Rehabilitation</title></titleGroup></publicationMeta><publicationMeta level="part" position="01001"><doi origin="wiley">10.1111/jor.2007.34.issue-1</doi><numberingGroup><numbering type="journalVolume" number="34">34</numbering><numbering type="journalIssue" number="1">1</numbering></numberingGroup><coverDate startDate="2007-01">January 2007</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="6" status="forIssue"><doi origin="wiley">10.1111/j.1365-2842.2006.01640.x</doi><idGroup><id type="unit" value="JOOR1640"></id></idGroup><countGroup><count type="pageTotal" number="11"></count></countGroup><titleGroup><title type="tocHeading1">Original articles</title></titleGroup><eventGroup><event type="firstOnline" date="2006-06-09"></event><event type="publishedOnlineFinalForm" date="2006-06-09"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.2 mode:FullText source:FullText result:FullText" date="2010-03-15"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:4.0.1" date="2014-03-20"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-30"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="41">41</numbering><numbering type="pageLast" number="51">51</numbering></numberingGroup><correspondenceTo>Vygandas Rutkunas, Center of Prosthodontics, Institute of Odontology, Faculty of Medicine, # 231, Zalgirio Street 115, Vilnius University, 08217 Vilnius, Lithuania.
E‐mail: <email>vygandasr@gmail.com</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:JOOR.JOOR1640.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>Accepted for publication 5 February 2006</unparsedEditorialHistory><countGroup><count type="figureTotal" number="8"></count><count type="tableTotal" number="3"></count></countGroup><titleGroup><title type="main">Influence of attachment wear on retention of mandibular overdenture</title><title type="shortAuthors">V. RUTKUNAS <i>et al.</i></title><title type="short">RETENTION OF MANDIBULAR OVERDENTURE</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1"><personName><givenNames>V.</givenNames><familyName>RUTKUNAS</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a2"><personName><givenNames>H.</givenNames><familyName>MIZUTANI</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#a3"><personName><givenNames>H.</givenNames><familyName>TAKAHASHI</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1" countryCode="LT"><unparsedAffiliation>Center of Prosthodontics, Institute of Odontology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania</unparsedAffiliation></affiliation><affiliation xml:id="a2"><unparsedAffiliation>Department of Removable Prosthodontics</unparsedAffiliation></affiliation><affiliation xml:id="a3" countryCode="JP"><unparsedAffiliation>Department of Advanced Biomaterials, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">Overdenture</keyword><keyword xml:id="k2">studs</keyword><keyword xml:id="k3">magnetic attachments</keyword><keyword xml:id="k4">retention</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><p><b><sc>summary</sc> </b> The aims of this study were: (i) to evaluate and compare retention of two‐teeth (implant) supported mandibular overdenture with either stud or magnetic attachments during linear (axial) and rotational (paraxial) dislodgements; (ii) to compare retentive properties before and after wear simulation. The test group consisted of five magnetic and four stud overdenture attachments (<i>n</i> = 12 specimens for each attachment type). Retention in axial direction was evaluated on one‐tooth (implant) model by measuring maximum retentive force (N) and range of retention (mm) during the linear dislodgement. Retention in the paraxial direction was evaluated on mandibular‐overdenture model by measuring the maximum retentive force (N) during three types of rotational dislodgements – anterior, lateral and posterior. The minimum number of cycles required to simulate wear was determined by special wear test. Afterwards, the wear was simulated in the test group, and retention in axial and paraxial directions was measured again. Statistical analysis: one‐way <sc>anova</sc>, Scheffe <i>post hoc</i> and paired‐samples <i>t</i>‐tests (<i>P</i> < 0·05). Initially, studs had higher retention (4–11 N) than magnets (4·5–6 N) in axial direction. After the wear simulation, it had decreased from 76% to 48% for some of the studs and had become similar to the retention of magnetic attachments. Magnets had lower retention range (0·2–0·3 mm) than studs (0·5–1·1 mm). Studs provided similar or higher retention in paraxial directions than magnetic attachments both before and after wear simulation. Retentive properties of magnets decreased mostly with posterior rotational dislodgement. Retentive properties of stud overdenture attachments were less constant.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Influence of attachment wear on retention of mandibular overdenture</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>RETENTION OF MANDIBULAR OVERDENTURE</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Influence of attachment wear on retention of mandibular overdenture</title></titleInfo><name type="personal"><namePart type="given">V.</namePart><namePart type="family">RUTKUNAS</namePart><affiliation>Center of Prosthodontics, Institute of Odontology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">H.</namePart><namePart type="family">MIZUTANI</namePart><affiliation>Department of Removable Prosthodontics</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">H.</namePart><namePart type="family">TAKAHASHI</namePart><affiliation>Department of Advanced Biomaterials, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-6N5SZHKN-D">article</genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2007-01</dateIssued><edition>Accepted for publication 5 February 2006</edition><copyrightDate encoding="w3cdtf">2007</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><extent unit="figures">8</extent><extent unit="tables">3</extent></physicalDescription><abstract>summary The aims of this study were: (i) to evaluate and compare retention of two‐teeth (implant) supported mandibular overdenture with either stud or magnetic attachments during linear (axial) and rotational (paraxial) dislodgements; (ii) to compare retentive properties before and after wear simulation. The test group consisted of five magnetic and four stud overdenture attachments (n = 12 specimens for each attachment type). Retention in axial direction was evaluated on one‐tooth (implant) model by measuring maximum retentive force (N) and range of retention (mm) during the linear dislodgement. Retention in the paraxial direction was evaluated on mandibular‐overdenture model by measuring the maximum retentive force (N) during three types of rotational dislodgements – anterior, lateral and posterior. The minimum number of cycles required to simulate wear was determined by special wear test. Afterwards, the wear was simulated in the test group, and retention in axial and paraxial directions was measured again. Statistical analysis: one‐way anova, Scheffe post hoc and paired‐samples t‐tests (P < 0·05). Initially, studs had higher retention (4–11 N) than magnets (4·5–6 N) in axial direction. After the wear simulation, it had decreased from 76% to 48% for some of the studs and had become similar to the retention of magnetic attachments. Magnets had lower retention range (0·2–0·3 mm) than studs (0·5–1·1 mm). Studs provided similar or higher retention in paraxial directions than magnetic attachments both before and after wear simulation. Retentive properties of magnets decreased mostly with posterior rotational dislodgement. Retentive properties of stud overdenture attachments were less constant.</abstract><subject lang="en"><genre>keywords</genre><topic>Overdenture</topic><topic>studs</topic><topic>magnetic attachments</topic><topic>retention</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Oral Rehabilitation</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><identifier type="ISSN">0305-182X</identifier><identifier type="eISSN">1365-2842</identifier><identifier type="DOI">10.1111/(ISSN)1365-2842</identifier><identifier type="PublisherID">JOOR</identifier><part><date>2007</date><detail type="volume"><caption>vol.</caption><number>34</number></detail><detail type="issue"><caption>no.</caption><number>1</number></detail><extent unit="pages"><start>41</start><end>51</end><total>11</total></extent></part></relatedItem><identifier type="istex">CBACDA97B352584F7A3A13B3D90F99008E9F72F0</identifier><identifier type="ark">ark:/67375/WNG-NB7R5LTQ-F</identifier><identifier type="DOI">10.1111/j.1365-2842.2006.01640.x</identifier><identifier type="ArticleID">JOOR1640</identifier><recordInfo><recordContentSource authority="ISTEX" authorityURI="https://loaded-corpus.data.istex.fr" valueURI="https://loaded-corpus.data.istex.fr/ark:/67375/XBH-L0C46X92-X">wiley</recordContentSource><recordOrigin>Blackwell Publishing Ltd</recordOrigin></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/CBACDA97B352584F7A3A13B3D90F99008E9F72F0/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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