Integrity of the Interface Between Denture Base and Soft Liner: A Scanning Electron Microscopic Study
Identifieur interne : 000A67 ( Pmc/Curation ); précédent : 000A66; suivant : 000A68Integrity of the Interface Between Denture Base and Soft Liner: A Scanning Electron Microscopic Study
Auteurs : G. Muralidhar [Inde] ; C. L. Satish Babu ; Shilpa ShettySource :
- The Journal of the Indian Prosthodontic Society [ 0972-4052 ] ; 2011.
Abstract
Aims and objectives of the study was to study the integrity of the interface between the denture base and the soft liner when the thickness of the soft liner was 0.5, 1.0 and 2.0 mm, and to study the integrity of the soft liner and denture base interface as influenced by aging process. 80 rectangular based specimens were fabricated using heat cured acrylic resin. The heat cured component of the specimen was fabricated from stainless steel template form by compression molding technique. Different thickness of silicone soft layer component was added to heat cured acrylic resin component of the specimen following the manufacturer’s instructions to fabricate the group A, group B, group C and group D specimens. All the specimens were subjected to the same finishing and polishing procedures. The group A specimens was immediately scanned in scanning electron microscope after processing. A thermo statically controlled artificial saliva bath designed to maintain the temperature between 38 ± 4°C was used to simulate the oral condition and to age the group B, group C and group D specimens for 3 months after which they were subjected to scanning under a scanning electron microscope. All the aged specimens demonstrated two types of failures namely adhesive which occurred along the bond interface between the soft liner and the acrylic resin and adhesive and cohesive type of failure which occurred not only at the interface but also within the soft liner material itself. When the data was subjected to ANOVA, the group A specimens showed statistical significance with group B (
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DOI: 10.1007/s13191-011-0111-8
PubMed: 23858278
PubMed Central: 3382366
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C. L. Satish Babu<affiliation><nlm:aff id="Aff2">V.S. Dental College and Hospital, V.V. Puram, Bangalore, 560004 Karnataka India</nlm:aff><wicri:noCountry code="subfield">560004 Karnataka India</wicri:noCountry></affiliation><affiliation><nlm:aff id="Aff2">V.S. Dental College and Hospital, V.V. Puram, Bangalore, 560004 Karnataka India</nlm:aff><wicri:noCountry code="subfield">560004 Karnataka India</wicri:noCountry></affiliation>Le document en format XML
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Muralidhar</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Krishnadevaraya College of Dental Sciences, #153 2nd Main, 7th Cross, M.S. Ramaiah Nagar, Bangalore, 560054 India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Krishnadevaraya College of Dental Sciences, #153 2nd Main, 7th Cross, M.S. Ramaiah Nagar, Bangalore</wicri:regionArea></affiliation></author><author><name sortKey="Satish Babu, C L" sort="Satish Babu, C L" uniqKey="Satish Babu C" first="C. L." last="Satish Babu">C. L. Satish Babu</name><affiliation><nlm:aff id="Aff2">V.S. Dental College and Hospital, V.V. Puram, Bangalore, 560004 Karnataka India</nlm:aff><wicri:noCountry code="subfield">560004 Karnataka India</wicri:noCountry></affiliation></author><author><name sortKey="Shetty, Shilpa" sort="Shetty, Shilpa" uniqKey="Shetty S" first="Shilpa" last="Shetty">Shilpa Shetty</name><affiliation><nlm:aff id="Aff2">V.S. Dental College and Hospital, V.V. Puram, Bangalore, 560004 Karnataka India</nlm:aff><wicri:noCountry code="subfield">560004 Karnataka India</wicri:noCountry></affiliation></author></analytic><series><title level="j">The Journal of the Indian Prosthodontic Society</title><idno type="ISSN">0972-4052</idno><idno type="eISSN">1998-4057</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Aims and objectives of the study was to study the integrity of the interface between the denture base and the soft liner when the thickness of the soft liner was 0.5, 1.0 and 2.0 mm, and to study the integrity of the soft liner and denture base interface as influenced by aging process. 80 rectangular based specimens were fabricated using heat cured acrylic resin. The heat cured component of the specimen was fabricated from stainless steel template form by compression molding technique. Different thickness of silicone soft layer component was added to heat cured acrylic resin component of the specimen following the manufacturer’s instructions to fabricate the group A, group B, group C and group D specimens. All the specimens were subjected to the same finishing and polishing procedures. The group A specimens was immediately scanned in scanning electron microscope after processing. A thermo statically controlled artificial saliva bath designed to maintain the temperature between 38 ± 4°C was used to simulate the oral condition and to age the group B, group C and group D specimens for 3 months after which they were subjected to scanning under a scanning electron microscope. All the aged specimens demonstrated two types of failures namely adhesive which occurred along the bond interface between the soft liner and the acrylic resin and adhesive and cohesive type of failure which occurred not only at the interface but also within the soft liner material itself. When the data was subjected to ANOVA, the group A specimens showed statistical significance with group B (<italic>P</italic> = 0.006), group C (<italic>P</italic> = 0.007) and group D specimens (<italic>P</italic> = 0.004), the level of significance being (<italic>P</italic> < 0.05). However, there was no statistical significance between group B and C (<italic>P</italic> = 0.98), group C and D specimens (<italic>P</italic> = 0.52), group B and D specimens (<italic>P</italic> = 0.70), the level of significance being (<italic>P</italic> < 0.05). Based on the results, statistical analysis of the results and within the limitations of this in vitro study the following conclusions can be drawn: The thickness of the liner did not show a statistically significant rate of failure on the integrity of the interface between the denture base resin and the soft liner and aging conditions simulating the clinical environment showed a statistically significant rate of failure on the integrity of the interface between the denture base resin and the soft liner.</p></div></front></TEI><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">J Indian Prosthodont Soc</journal-id><journal-id journal-id-type="iso-abbrev">J Indian Prosthodont Soc</journal-id><journal-title-group><journal-title>The Journal of the Indian Prosthodontic Society</journal-title></journal-title-group><issn pub-type="ppub">0972-4052</issn><issn pub-type="epub">1998-4057</issn><publisher><publisher-name>Springer-Verlag</publisher-name><publisher-loc>India</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">23858278</article-id><article-id pub-id-type="pmc">3382366</article-id><article-id pub-id-type="publisher-id">111</article-id><article-id pub-id-type="doi">10.1007/s13191-011-0111-8</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject></subj-group></article-categories><title-group><article-title>Integrity of the Interface Between Denture Base and Soft Liner: A Scanning Electron Microscopic Study</article-title></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name><surname>Muralidhar</surname><given-names>G.</given-names></name><address><phone>+9620550902</phone><phone>+080-23600717</phone><email>prosthodontistmurali@gmail.com</email></address><xref ref-type="aff" rid="Aff1">1</xref></contrib><contrib contrib-type="author"><name><surname>Satish Babu</surname><given-names>C. L.</given-names></name><xref ref-type="aff" rid="Aff2">2</xref></contrib><contrib contrib-type="author"><name><surname>Shetty</surname><given-names>Shilpa</given-names></name><xref ref-type="aff" rid="Aff2">2</xref></contrib><aff id="Aff1"><label>1</label>Krishnadevaraya College of Dental Sciences, #153 2nd Main, 7th Cross, M.S. Ramaiah Nagar, Bangalore, 560054 India</aff><aff id="Aff2"><label>2</label>V.S. Dental College and Hospital, V.V. Puram, Bangalore, 560004 Karnataka India</aff></contrib-group><pub-date pub-type="epub"><day>4</day><month>11</month><year>2011</year></pub-date><pub-date pub-type="ppub"><month>6</month><year>2012</year></pub-date><volume>12</volume><issue>2</issue><fpage>72</fpage><lpage>77</lpage><history><date date-type="received"><day>11</day><month>8</month><year>2010</year></date><date date-type="accepted"><day>21</day><month>10</month><year>2011</year></date></history><permissions><copyright-statement>© Indian Prosthodontic Society 2011</copyright-statement></permissions><abstract id="Abs1"><p>Aims and objectives of the study was to study the integrity of the interface between the denture base and the soft liner when the thickness of the soft liner was 0.5, 1.0 and 2.0 mm, and to study the integrity of the soft liner and denture base interface as influenced by aging process. 80 rectangular based specimens were fabricated using heat cured acrylic resin. The heat cured component of the specimen was fabricated from stainless steel template form by compression molding technique. Different thickness of silicone soft layer component was added to heat cured acrylic resin component of the specimen following the manufacturer’s instructions to fabricate the group A, group B, group C and group D specimens. All the specimens were subjected to the same finishing and polishing procedures. The group A specimens was immediately scanned in scanning electron microscope after processing. A thermo statically controlled artificial saliva bath designed to maintain the temperature between 38 ± 4°C was used to simulate the oral condition and to age the group B, group C and group D specimens for 3 months after which they were subjected to scanning under a scanning electron microscope. All the aged specimens demonstrated two types of failures namely adhesive which occurred along the bond interface between the soft liner and the acrylic resin and adhesive and cohesive type of failure which occurred not only at the interface but also within the soft liner material itself. When the data was subjected to ANOVA, the group A specimens showed statistical significance with group B (<italic>P</italic> = 0.006), group C (<italic>P</italic> = 0.007) and group D specimens (<italic>P</italic> = 0.004), the level of significance being (<italic>P</italic> < 0.05). However, there was no statistical significance between group B and C (<italic>P</italic> = 0.98), group C and D specimens (<italic>P</italic> = 0.52), group B and D specimens (<italic>P</italic> = 0.70), the level of significance being (<italic>P</italic> < 0.05). Based on the results, statistical analysis of the results and within the limitations of this in vitro study the following conclusions can be drawn: The thickness of the liner did not show a statistically significant rate of failure on the integrity of the interface between the denture base resin and the soft liner and aging conditions simulating the clinical environment showed a statistically significant rate of failure on the integrity of the interface between the denture base resin and the soft liner.</p></abstract><kwd-group xml:lang="en"><title>Keywords</title><kwd>Silicone soft liner</kwd><kwd>Failure at the interface</kwd><kwd>Integrity of the interface</kwd><kwd>Aging the specimens</kwd><kwd>Scanning electron microscope</kwd><kwd>Study of the bond failure</kwd><kwd>Adhesive and cohesive failure</kwd></kwd-group><custom-meta-group><custom-meta><meta-name>issue-copyright-statement</meta-name><meta-value>© Indian Prosthodontic Society 2012</meta-value></custom-meta></custom-meta-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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