Stress and strain distribution in three different mini dental implant designs using in implant retained overdenture: a finite element analysis study
Identifieur interne : 002523 ( Pmc/Curation ); précédent : 002522; suivant : 002524Stress and strain distribution in three different mini dental implant designs using in implant retained overdenture: a finite element analysis study
Auteurs : W. Aunmeungtong [Thaïlande] ; P. Khongkhunthian [Thaïlande] ; P. Rungsiyakull [Thaïlande]Source :
- Oral & Implantology [ 1974-5648 ] ; 2016.
Abstract
Finite Element Analysis (FEA) has been used for prediction of stress and strain between dental implant components and bone in the implant design process.
Purpose of this study was to characterize and analyze stress and strain distribution occurring in bone and implants and to compare stress and strain of three different implant designs.
Three different mini dental implant designs were included in this study: 1. a mini dental implant with an internal implant-abutment connection (MDIi); 2. a mini dental implant with an external implant-abutment connection (MDIe); 3. a single piece mini dental implant (MDIs). All implant designs were scanned using micro-CT scans. The imaging details of the implants were used to simulate models for FEA. An artificial bone volume of 9×9 mm in size was constructed and each implant was placed separately at the center of each bone model. All bone-implant models were simulatively loaded under an axial compressive force of 100 N and a 45-degree force of 100 N loading at the top of the implants using computer software to evaluate stress and strain distribution.
There was no difference in stress or strain between the three implant designs. The stress and strain occurring in all three mini dental implant designs were mainly localized at the cortical bone around the bone-implant interface. Oblique 45° loading caused increased deformation, magnitude and distribution of stress and strain in all implant models.
Within the limits of this study, the average stress and strain in bone and implant models with MDIi were similar to those with MDIe and MDIs. The oblique 45° load played an important role in dramatically increased average stress and strain in all bone-implant models.
Mini dental implants with external or internal connections have similar stress distribution to single piece mini dental implants. In clinical situations, the three types of mini dental implant should exhibit the same behavior to chewing force.
Url:
DOI: 10.11138/orl/2016.9.4.202
PubMed: 28042449
PubMed Central: 5159942
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<author><name sortKey="Aunmeungtong, W" sort="Aunmeungtong, W" uniqKey="Aunmeungtong W" first="W." last="Aunmeungtong">W. Aunmeungtong</name>
<affiliation wicri:level="1"><nlm:aff id="af1-202-212">Center of Excellence for Dental Implantology, Faculty of Dentistry, Chiang Mai University, Thailand</nlm:aff>
<country xml:lang="fr">Thaïlande</country>
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<author><name sortKey="Khongkhunthian, P" sort="Khongkhunthian, P" uniqKey="Khongkhunthian P" first="P." last="Khongkhunthian">P. Khongkhunthian</name>
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<series><title level="j">Oral & Implantology</title>
<idno type="ISSN">1974-5648</idno>
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<imprint><date when="2016">2016</date>
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<front><div type="abstract" xml:lang="en"><title>SUMMARY</title>
<p>Finite Element Analysis (FEA) has been used for prediction of stress and strain between dental implant components and bone in the implant design process.</p>
<sec><title>Purpose</title>
<p>Purpose of this study was to characterize and analyze stress and strain distribution occurring in bone and implants and to compare stress and strain of three different implant designs.</p>
</sec>
<sec><title>Materials and methods</title>
<p>Three different mini dental implant designs were included in this study: 1. a mini dental implant with an internal implant-abutment connection (MDIi); 2. a mini dental implant with an external implant-abutment connection (MDIe); 3. a single piece mini dental implant (MDIs). All implant designs were scanned using micro-CT scans. The imaging details of the implants were used to simulate models for FEA. An artificial bone volume of 9×9 mm in size was constructed and each implant was placed separately at the center of each bone model. All bone-implant models were simulatively loaded under an axial compressive force of 100 N and a 45-degree force of 100 N loading at the top of the implants using computer software to evaluate stress and strain distribution.</p>
</sec>
<sec><title>Results</title>
<p>There was no difference in stress or strain between the three implant designs. The stress and strain occurring in all three mini dental implant designs were mainly localized at the cortical bone around the bone-implant interface. Oblique 45° loading caused increased deformation, magnitude and distribution of stress and strain in all implant models.</p>
</sec>
<sec><title>Conclusions</title>
<p>Within the limits of this study, the average stress and strain in bone and implant models with MDIi were similar to those with MDIe and MDIs. The oblique 45° load played an important role in dramatically increased average stress and strain in all bone-implant models.</p>
</sec>
<sec><title>Clinical implications</title>
<p>Mini dental implants with external or internal connections have similar stress distribution to single piece mini dental implants. In clinical situations, the three types of mini dental implant should exhibit the same behavior to chewing force.</p>
</sec>
</div>
</front>
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<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Oral Implantol (Rome)</journal-id>
<journal-id journal-id-type="iso-abbrev">Oral Implantol (Rome)</journal-id>
<journal-id journal-id-type="publisher-id">OAI</journal-id>
<journal-title-group><journal-title>Oral & Implantology</journal-title>
</journal-title-group>
<issn pub-type="ppub">1974-5648</issn>
<issn pub-type="epub">2035-2468</issn>
<publisher><publisher-name>CIC Edizioni Internazionali</publisher-name>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">28042449</article-id>
<article-id pub-id-type="pmc">5159942</article-id>
<article-id pub-id-type="doi">10.11138/orl/2016.9.4.202</article-id>
<article-id pub-id-type="publisher-id">202-212</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Original Research Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>Stress and strain distribution in three different mini dental implant designs using in implant retained overdenture: a finite element analysis study</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>AUNMEUNGTONG</surname>
<given-names>W.</given-names>
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<xref ref-type="aff" rid="af1-202-212">1</xref>
<xref ref-type="corresp" rid="c1-202-212"></xref>
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<contrib contrib-type="author"><name><surname>KHONGKHUNTHIAN</surname>
<given-names>P.</given-names>
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<contrib contrib-type="author"><name><surname>RUNGSIYAKULL</surname>
<given-names>P.</given-names>
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<aff id="af1-202-212"><label>1</label>
Center of Excellence for Dental Implantology, Faculty of Dentistry, Chiang Mai University, Thailand</aff>
<aff id="af2-202-212"><label>2</label>
Department of Prosthodontics, Faculty of Dentistry, Chiang Mai University, Thailand</aff>
<author-notes><corresp id="c1-202-212">Correspondence to: Weerapan Aunmeungtong, Center of Excellence for Dental implantology, Faculty of Dentistry, T. Suthep, A. Muang, 50200 Chiang Mai, Thailand, E-mail: <email>weedentphd@outlook.com</email>
</corresp>
</author-notes>
<pub-date pub-type="collection"><season>Oct-Dec</season>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub"><day>16</day>
<month>11</month>
<year>2016</year>
</pub-date>
<volume>9</volume>
<issue>4</issue>
<fpage>202</fpage>
<lpage>212</lpage>
<permissions><copyright-statement>© Copyright 2016, CIC Edizioni Internazionali, Roma</copyright-statement>
<copyright-year>2016</copyright-year>
</permissions>
<abstract><title>SUMMARY</title>
<p>Finite Element Analysis (FEA) has been used for prediction of stress and strain between dental implant components and bone in the implant design process.</p>
<sec><title>Purpose</title>
<p>Purpose of this study was to characterize and analyze stress and strain distribution occurring in bone and implants and to compare stress and strain of three different implant designs.</p>
</sec>
<sec><title>Materials and methods</title>
<p>Three different mini dental implant designs were included in this study: 1. a mini dental implant with an internal implant-abutment connection (MDIi); 2. a mini dental implant with an external implant-abutment connection (MDIe); 3. a single piece mini dental implant (MDIs). All implant designs were scanned using micro-CT scans. The imaging details of the implants were used to simulate models for FEA. An artificial bone volume of 9×9 mm in size was constructed and each implant was placed separately at the center of each bone model. All bone-implant models were simulatively loaded under an axial compressive force of 100 N and a 45-degree force of 100 N loading at the top of the implants using computer software to evaluate stress and strain distribution.</p>
</sec>
<sec><title>Results</title>
<p>There was no difference in stress or strain between the three implant designs. The stress and strain occurring in all three mini dental implant designs were mainly localized at the cortical bone around the bone-implant interface. Oblique 45° loading caused increased deformation, magnitude and distribution of stress and strain in all implant models.</p>
</sec>
<sec><title>Conclusions</title>
<p>Within the limits of this study, the average stress and strain in bone and implant models with MDIi were similar to those with MDIe and MDIs. The oblique 45° load played an important role in dramatically increased average stress and strain in all bone-implant models.</p>
</sec>
<sec><title>Clinical implications</title>
<p>Mini dental implants with external or internal connections have similar stress distribution to single piece mini dental implants. In clinical situations, the three types of mini dental implant should exhibit the same behavior to chewing force.</p>
</sec>
</abstract>
<kwd-group><kwd>mini dental implants</kwd>
<kwd>finite element analysis</kwd>
<kwd>stress and strain distribution</kwd>
<kwd>implant-abutment connection</kwd>
</kwd-group>
</article-meta>
</front>
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