Stress distribution among periodontally compromised abutments: A comparative study using three-dimensional finite element analysis
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Auteurs : Rajkiran Chitumalla ; Swapna Munaga ; Amit Khare ; Surendra Agarwal ; Anjali Bhoyar ; Swapnil ParlaniSource :
- Contemporary Clinical Dentistry [ 0976-237X ] ; 2012.
Abstract
The aim of the study was to evaluate the stress distribution patterns in teeth and supporting structures of fixed prosthesis and design modifications in a fixed prosthesis with either normal or reduced bone support of an additional abutment. Study was also undertaken to disprove Ante's law.
Main models and variations of main models (modification 1, 2, 3, 4, 5, 6, 7, 8) were subjected to 200 N at angulations of 90° and 15° on functional cusps. Results for each loading were obtained as stress distribution color images and numerical values were recorded. A three-dimensional finite element analysis study of variations of normal models was performed using two finite element softwares, namely PRO-Engineer wildfire version 1.0 manufacturer: Parametric technology corporation, Needham, MA 02494 U.S.A.
When periodontal compromised abutment teeth was splinted with an additional abutment an increase of stress was observed in periodontally compromised abutments so an additional abutment is not required. Eventhough the pericemental area of compromised abutments with an additional abutment (canine) was more than the combined pericemental area of pontics to be replaced, stress generated was more on abutments. This disproves Ante's law. Hence, it may be a reference, but should not be the ultimate criterion in determining the number of multiple abutments.
When periodontal compromised abutment teeth was splinted with an additional abutment an increase of stress was observed in periodontally compromised abutments so an additional abutment is not required. Even though the pericemental area of compromised abutments with an additional abutment (canine) was more than combined pericemental area of pontics to be replaced, stress generated was more on abutments. This disproves Ante's law. Hence, it may be a reference, but should not be the ultimate criterion in determining the number of multiple abutments.
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DOI: 10.4103/0976-237X.107439
PubMed: 23633808
PubMed Central: 3636817
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Stress distribution among periodontally compromised abutments: A comparative study using three-dimensional finite element analysis</title><author><name sortKey="Chitumalla, Rajkiran" sort="Chitumalla, Rajkiran" uniqKey="Chitumalla R" first="Rajkiran" last="Chitumalla">Rajkiran Chitumalla</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Munaga, Swapna" sort="Munaga, Swapna" uniqKey="Munaga S" first="Swapna" last="Munaga">Swapna Munaga</name><affiliation><nlm:aff id="aff2"><italic>Department of Conservative Dentistry and Endodontics, People's College of Dental Sciences and Research Centre, Karond, Bhanpur, Bhopal, Madhya Pradesh, India</italic></nlm:aff></affiliation></author><author><name sortKey="Khare, Amit" sort="Khare, Amit" uniqKey="Khare A" first="Amit" last="Khare">Amit Khare</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Agarwal, Surendra" sort="Agarwal, Surendra" uniqKey="Agarwal S" first="Surendra" last="Agarwal">Surendra Agarwal</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Bhoyar, Anjali" sort="Bhoyar, Anjali" uniqKey="Bhoyar A" first="Anjali" last="Bhoyar">Anjali Bhoyar</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Parlani, Swapnil" sort="Parlani, Swapnil" uniqKey="Parlani S" first="Swapnil" last="Parlani">Swapnil Parlani</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">23633808</idno><idno type="pmc">3636817</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3636817</idno><idno type="RBID">PMC:3636817</idno><idno type="doi">10.4103/0976-237X.107439</idno><date when="2012">2012</date><idno type="wicri:Area/Pmc/Corpus">002B40</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002B40</idno><idno type="wicri:Area/Pmc/Curation">002B40</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">002B40</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Stress distribution among periodontally compromised abutments: A comparative study using three-dimensional finite element analysis</title><author><name sortKey="Chitumalla, Rajkiran" sort="Chitumalla, Rajkiran" uniqKey="Chitumalla R" first="Rajkiran" last="Chitumalla">Rajkiran Chitumalla</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Munaga, Swapna" sort="Munaga, Swapna" uniqKey="Munaga S" first="Swapna" last="Munaga">Swapna Munaga</name><affiliation><nlm:aff id="aff2"><italic>Department of Conservative Dentistry and Endodontics, People's College of Dental Sciences and Research Centre, Karond, Bhanpur, Bhopal, Madhya Pradesh, India</italic></nlm:aff></affiliation></author><author><name sortKey="Khare, Amit" sort="Khare, Amit" uniqKey="Khare A" first="Amit" last="Khare">Amit Khare</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Agarwal, Surendra" sort="Agarwal, Surendra" uniqKey="Agarwal S" first="Surendra" last="Agarwal">Surendra Agarwal</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Bhoyar, Anjali" sort="Bhoyar, Anjali" uniqKey="Bhoyar A" first="Anjali" last="Bhoyar">Anjali Bhoyar</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Parlani, Swapnil" sort="Parlani, Swapnil" uniqKey="Parlani S" first="Swapnil" last="Parlani">Swapnil Parlani</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author></analytic><series><title level="j">Contemporary Clinical Dentistry</title><idno type="ISSN">0976-237X</idno><idno type="eISSN">0976-2361</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec id="st1"><title>Aims:</title><p>The aim of the study was to evaluate the stress distribution patterns in teeth and supporting structures of fixed prosthesis and design modifications in a fixed prosthesis with either normal or reduced bone support of an additional abutment. Study was also undertaken to disprove Ante's law.</p></sec><sec id="st2"><title>Materials and Methods:</title><p>Main models and variations of main models (modification 1, 2, 3, 4, 5, 6, 7, 8) were subjected to 200 N at angulations of 90° and 15° on functional cusps. Results for each loading were obtained as stress distribution color images and numerical values were recorded. A three-dimensional finite element analysis study of variations of normal models was performed using two finite element softwares, namely PRO-Engineer wildfire version 1.0 manufacturer: Parametric technology corporation, Needham, MA 02494 U.S.A.</p></sec><sec id="st3"><title>Results:</title><p>When periodontal compromised abutment teeth was splinted with an additional abutment an increase of stress was observed in periodontally compromised abutments so an additional abutment is not required. Eventhough the pericemental area of compromised abutments with an additional abutment (canine) was more than the combined pericemental area of pontics to be replaced, stress generated was more on abutments. This disproves Ante's law. Hence, it may be a reference, but should not be the ultimate criterion in determining the number of multiple abutments.</p></sec><sec id="st4"><title>Conclusions:</title><p>When periodontal compromised abutment teeth was splinted with an additional abutment an increase of stress was observed in periodontally compromised abutments so an additional abutment is not required. Even though the pericemental area of compromised abutments with an additional abutment (canine) was more than combined pericemental area of pontics to be replaced, stress generated was more on abutments. This disproves Ante's law. Hence, it may be a reference, but should not be the ultimate criterion in determining the number of multiple abutments.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Rosenstiel, Sf" uniqKey="Rosenstiel S">SF Rosenstiel</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Sulik, Wd" uniqKey="Sulik W">WD Sulik</name></author><author><name sortKey="White, Jt" uniqKey="White J">JT White</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Freilich, Ma" uniqKey="Freilich M">MA Freilich</name></author><author><name sortKey="Breeding, Lc" uniqKey="Breeding L">LC Breeding</name></author><author><name sortKey="Keagle, Jg" uniqKey="Keagle J">JG Keagle</name></author><author><name sortKey="Garnick, Jj" uniqKey="Garnick J">JJ Garnick</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kleinfelder, Jw" uniqKey="Kleinfelder J">JW 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uniqKey="Wennstrom J">JL Wennström</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Atmaram, Gh" uniqKey="Atmaram G">GH Atmaram</name></author><author><name sortKey="Mohammed, H" uniqKey="Mohammed H">H Mohammed</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Farah, Jw" uniqKey="Farah J">JW Farah</name></author><author><name sortKey="Craig, Rg" uniqKey="Craig R">RG Craig</name></author><author><name sortKey="Meroueh, Ka" uniqKey="Meroueh K">KA Meroueh</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Darendeliler, S" uniqKey="Darendeliler S">S Darendeliler</name></author><author><name sortKey="Darendeliler, H" uniqKey="Darendeliler H">H Darendeliler</name></author><author><name sortKey="Kino Lu, T" uniqKey="Kino Lu T">T Kinoðlu</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Lundgren, D" uniqKey="Lundgren D">D Lundgren</name></author><author><name 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uniqKey="Yang H">HS Yang</name></author><author><name sortKey="Lang, La" uniqKey="Lang L">LA Lang</name></author><author><name sortKey="Felton, Da" uniqKey="Felton D">DA Felton</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Yang, Hs" uniqKey="Yang H">HS Yang</name></author><author><name sortKey="Thompson, Vp" uniqKey="Thompson V">VP Thompson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Glickman, I" uniqKey="Glickman I">I Glickman</name></author><author><name sortKey="Roeber, Fw" uniqKey="Roeber F">FW Roeber</name></author><author><name sortKey="Brion, M" uniqKey="Brion M">M Brion</name></author><author><name sortKey="Pameijer, Jh" uniqKey="Pameijer J">JH Pameijer</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Lulic, M" uniqKey="Lulic M">M Lulic</name></author><author><name sortKey="Br Gger, U" uniqKey="Br Gger U">U Brägger</name></author><author><name sortKey="Lang, Np" uniqKey="Lang N">NP Lang</name></author><author><name sortKey="Zwahlen, M" uniqKey="Zwahlen M">M Zwahlen</name></author><author><name sortKey="Salvi, Ge" uniqKey="Salvi G">GE Salvi</name></author></analytic></biblStruct></listBibl></div1></back></TEI><pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Contemp Clin Dent</journal-id><journal-id journal-id-type="iso-abbrev">Contemp Clin Dent</journal-id><journal-id journal-id-type="publisher-id">CCD</journal-id><journal-title-group><journal-title>Contemporary Clinical Dentistry</journal-title></journal-title-group><issn pub-type="ppub">0976-237X</issn><issn pub-type="epub">0976-2361</issn><publisher><publisher-name>Medknow Publications & Media Pvt Ltd</publisher-name><publisher-loc>India</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">23633808</article-id><article-id pub-id-type="pmc">3636817</article-id><article-id pub-id-type="publisher-id">CCD-3-452</article-id><article-id pub-id-type="doi">10.4103/0976-237X.107439</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject></subj-group></article-categories><title-group><article-title>Stress distribution among periodontally compromised abutments: A comparative study using three-dimensional finite element analysis</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Chitumalla</surname><given-names>Rajkiran</given-names></name><xref ref-type="aff" rid="aff1"></xref><xref ref-type="corresp" rid="cor1"></xref></contrib><contrib contrib-type="author"><name><surname>Munaga</surname><given-names>Swapna</given-names></name><xref ref-type="aff" rid="aff2">1</xref></contrib><contrib contrib-type="author"><name><surname>Khare</surname><given-names>Amit</given-names></name><xref ref-type="aff" rid="aff1"></xref></contrib><contrib contrib-type="author"><name><surname>Agarwal</surname><given-names>Surendra</given-names></name><xref ref-type="aff" rid="aff1"></xref></contrib><contrib contrib-type="author"><name><surname>Bhoyar</surname><given-names>Anjali</given-names></name><xref ref-type="aff" rid="aff1"></xref></contrib><contrib contrib-type="author"><name><surname>Parlani</surname><given-names>Swapnil</given-names></name><xref ref-type="aff" rid="aff1"></xref></contrib></contrib-group><aff id="aff1"><italic>Department of Prosthodontics, Crown and Bridge and Implantology, People's College of Dental Sciences and Research Centre, Karond, Bhanpur, Bhopal, Madhya Pradesh, India</italic></aff><aff id="aff2"><label>1</label><italic>Department of Conservative Dentistry and Endodontics, People's College of Dental Sciences and Research Centre, Karond, Bhanpur, Bhopal, Madhya Pradesh, India</italic></aff><author-notes><corresp id="cor1"><bold>Correspondence:</bold> Dr. Rajkiran Chitumalla, Department of Prosthodontics, Crown and Bridge and Implantology, People's College of Dental Sciences and Research Centre, Karond, Bhanpur, Bhopal, Madhya Pradesh, India. E-mail: <email xlink:href="rajkchitu@yahoo.com">rajkchitu@yahoo.com</email></corresp></author-notes><pub-date pub-type="ppub"><season>Oct-Dec</season><year>2012</year></pub-date><volume>3</volume><issue>4</issue><fpage>452</fpage><lpage>458</lpage><permissions><copyright-statement>Copyright: © Contemporary Clinical Dentistry</copyright-statement><copyright-year>2012</copyright-year><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc-sa/3.0"><license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p></license></permissions><abstract><sec id="st1"><title>Aims:</title><p>The aim of the study was to evaluate the stress distribution patterns in teeth and supporting structures of fixed prosthesis and design modifications in a fixed prosthesis with either normal or reduced bone support of an additional abutment. Study was also undertaken to disprove Ante's law.</p></sec><sec id="st2"><title>Materials and Methods:</title><p>Main models and variations of main models (modification 1, 2, 3, 4, 5, 6, 7, 8) were subjected to 200 N at angulations of 90° and 15° on functional cusps. Results for each loading were obtained as stress distribution color images and numerical values were recorded. A three-dimensional finite element analysis study of variations of normal models was performed using two finite element softwares, namely PRO-Engineer wildfire version 1.0 manufacturer: Parametric technology corporation, Needham, MA 02494 U.S.A.</p></sec><sec id="st3"><title>Results:</title><p>When periodontal compromised abutment teeth was splinted with an additional abutment an increase of stress was observed in periodontally compromised abutments so an additional abutment is not required. Eventhough the pericemental area of compromised abutments with an additional abutment (canine) was more than the combined pericemental area of pontics to be replaced, stress generated was more on abutments. This disproves Ante's law. Hence, it may be a reference, but should not be the ultimate criterion in determining the number of multiple abutments.</p></sec><sec id="st4"><title>Conclusions:</title><p>When periodontal compromised abutment teeth was splinted with an additional abutment an increase of stress was observed in periodontally compromised abutments so an additional abutment is not required. Even though the pericemental area of compromised abutments with an additional abutment (canine) was more than combined pericemental area of pontics to be replaced, stress generated was more on abutments. This disproves Ante's law. Hence, it may be a reference, but should not be the ultimate criterion in determining the number of multiple abutments.</p></sec></abstract><kwd-group><kwd>Abutment</kwd><kwd>stress</kwd><kwd>three-dimensional finite element</kwd></kwd-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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