Influence of Surface Modifications of Acrylic Resin Teeth on Shear Bond Strength with Denture Base Resin-An Invitro Study
Identifieur interne : 006050 ( Ncbi/Checkpoint ); précédent : 006049; suivant : 006051Influence of Surface Modifications of Acrylic Resin Teeth on Shear Bond Strength with Denture Base Resin-An Invitro Study
Auteurs : Vallabh Mahadevan ; Madhusudan Krishnan ; Chitra Shankar Krishnan ; N. S. Azhagarasan ; Jayakrishnakumar Sampathkumar ; Hariharan RamasubramanianSource :
- Journal of Clinical and Diagnostic Research : JCDR [ 2249-782X ] ; 2015.
Abstract
Debonding of artificial teeth from the denture base is an important issue for edentulous patients rehabilitated with conventional or implant supported complete dentures.
The purpose of this study was to evaluate shear bond strength between denture base resin and acrylic resin denture teeth subjected to three different surface modifications on the ridge lap area as compared to unmodified denture teeth.
Forty acrylic resin central incisor denture teeth were selected and randomly divided into four test groups. The teeth in each group were subjected to one of the three different surface modifications, namely, chemical treatment, sandblasting and placement of retentive grooves on the ridge lap area respectively, prior to packing of the denture base resin. The group with unmodified teeth served as control. Forty acrylic resin test blocks thus obtained were tested for shear bond strength between acrylic resin teeth and denture base resin in Universal Testing Machine. Data obtained was statistically analysed using one-way ANOVA and Student- Newman- Keul’s test (p< 0.05).
Analysis of shear bond strength revealed that retentive grooves on the ridge lap area showed highest bond strength values followed by sandblasting and both were statistically significant compared to the control and chemically treated groups. Unmodified surface of the resin teeth showed the least bond strength.
Within the limitations of this invitro study the placement of retentive grooves or sandblasting of the ridge lap area showed highly significant improvement in shear bond strength compared to the unmodified surface. Chemical treatment did not result in any significant improvement in the shear bond strength compared to the unmodified surface.
Url:
DOI: 10.7860/JCDR/2015/13877.6445
PubMed: 26501005
PubMed Central: 4606334
Affiliations:
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<author><name sortKey="Mahadevan, Vallabh" sort="Mahadevan, Vallabh" uniqKey="Mahadevan V" first="Vallabh" last="Mahadevan">Vallabh Mahadevan</name>
<affiliation><nlm:aff id="aff1"> Reader, Department of Prosthodontics & Implantology,<institution>Ragas Dental College & Hospital</institution>
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<author><name sortKey="Krishnan, Madhusudan" sort="Krishnan, Madhusudan" uniqKey="Krishnan M" first="Madhusudan" last="Krishnan">Madhusudan Krishnan</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Influence of Surface Modifications of Acrylic Resin Teeth on Shear Bond Strength with Denture Base Resin-An Invitro Study</title>
<author><name sortKey="Mahadevan, Vallabh" sort="Mahadevan, Vallabh" uniqKey="Mahadevan V" first="Vallabh" last="Mahadevan">Vallabh Mahadevan</name>
<affiliation><nlm:aff id="aff1"> Reader, Department of Prosthodontics & Implantology,<institution>Ragas Dental College & Hospital</institution>
,<addr-line>Chennai, India</addr-line>
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<author><name sortKey="Krishnan, Madhusudan" sort="Krishnan, Madhusudan" uniqKey="Krishnan M" first="Madhusudan" last="Krishnan">Madhusudan Krishnan</name>
<affiliation><nlm:aff id="aff2"> Professor, Department of Prosthodontics & Implantology,<institution>Ragas Dental College & Hospital</institution>
,<addr-line>Chennai, India</addr-line>
.</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Krishnan, Chitra Shankar" sort="Krishnan, Chitra Shankar" uniqKey="Krishnan C" first="Chitra Shankar" last="Krishnan">Chitra Shankar Krishnan</name>
<affiliation><nlm:aff id="aff3"> Professor, Department of Prosthodontics & Implantology,<institution>Ragas Dental College & Hospital</institution>
,<addr-line>Chennai, India</addr-line>
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</affiliation>
</author>
<author><name sortKey="Azhagarasan, N S" sort="Azhagarasan, N S" uniqKey="Azhagarasan N" first="N. S." last="Azhagarasan">N. S. Azhagarasan</name>
<affiliation><nlm:aff id="aff4"> Professor and HOD, Department of Prosthodontics & Implantology,<institution>Ragas Dental College & Hospital</institution>
,<addr-line>Chennai, India</addr-line>
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<author><name sortKey="Sampathkumar, Jayakrishnakumar" sort="Sampathkumar, Jayakrishnakumar" uniqKey="Sampathkumar J" first="Jayakrishnakumar" last="Sampathkumar">Jayakrishnakumar Sampathkumar</name>
<affiliation><nlm:aff id="aff5"> Professor, Department of Prosthodontics & Implantology,<institution>Ragas Dental College & Hospital</institution>
,<addr-line>Chennai, India</addr-line>
.</nlm:aff>
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<author><name sortKey="Ramasubramanian, Hariharan" sort="Ramasubramanian, Hariharan" uniqKey="Ramasubramanian H" first="Hariharan" last="Ramasubramanian">Hariharan Ramasubramanian</name>
<affiliation><nlm:aff id="aff6"> Reader, Department of Prosthodontics & Implantology,<institution>Ragas Dental College & Hospital</institution>
,<addr-line>Chennai, India</addr-line>
.</nlm:aff>
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<series><title level="j">Journal of Clinical and Diagnostic Research : JCDR</title>
<idno type="ISSN">2249-782X</idno>
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<imprint><date when="2015">2015</date>
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<front><div type="abstract" xml:lang="en"><sec><title>Background</title>
<p>Debonding of artificial teeth from the denture base is an important issue for edentulous patients rehabilitated with conventional or implant supported complete dentures.</p>
</sec>
<sec><title>Aim</title>
<p>The purpose of this study was to evaluate shear bond strength between denture base resin and acrylic resin denture teeth subjected to three different surface modifications on the ridge lap area as compared to unmodified denture teeth.</p>
</sec>
<sec><title>Materials and Methods</title>
<p>Forty acrylic resin central incisor denture teeth were selected and randomly divided into four test groups. The teeth in each group were subjected to one of the three different surface modifications, namely, chemical treatment, sandblasting and placement of retentive grooves on the ridge lap area respectively, prior to packing of the denture base resin. The group with unmodified teeth served as control. Forty acrylic resin test blocks thus obtained were tested for shear bond strength between acrylic resin teeth and denture base resin in Universal Testing Machine. Data obtained was statistically analysed using one-way ANOVA and Student- Newman- Keul’s test (p< 0.05).</p>
</sec>
<sec><title>Results</title>
<p>Analysis of shear bond strength revealed that retentive grooves on the ridge lap area showed highest bond strength values followed by sandblasting and both were statistically significant compared to the control and chemically treated groups. Unmodified surface of the resin teeth showed the least bond strength.</p>
</sec>
<sec><title>Conclusion</title>
<p>Within the limitations of this invitro study the placement of retentive grooves or sandblasting of the ridge lap area showed highly significant improvement in shear bond strength compared to the unmodified surface. Chemical treatment did not result in any significant improvement in the shear bond strength compared to the unmodified surface.</p>
</sec>
</div>
</front>
</TEI>
<affiliations><list></list>
<tree><noCountry><name sortKey="Azhagarasan, N S" sort="Azhagarasan, N S" uniqKey="Azhagarasan N" first="N. S." last="Azhagarasan">N. S. Azhagarasan</name>
<name sortKey="Krishnan, Chitra Shankar" sort="Krishnan, Chitra Shankar" uniqKey="Krishnan C" first="Chitra Shankar" last="Krishnan">Chitra Shankar Krishnan</name>
<name sortKey="Krishnan, Madhusudan" sort="Krishnan, Madhusudan" uniqKey="Krishnan M" first="Madhusudan" last="Krishnan">Madhusudan Krishnan</name>
<name sortKey="Mahadevan, Vallabh" sort="Mahadevan, Vallabh" uniqKey="Mahadevan V" first="Vallabh" last="Mahadevan">Vallabh Mahadevan</name>
<name sortKey="Ramasubramanian, Hariharan" sort="Ramasubramanian, Hariharan" uniqKey="Ramasubramanian H" first="Hariharan" last="Ramasubramanian">Hariharan Ramasubramanian</name>
<name sortKey="Sampathkumar, Jayakrishnakumar" sort="Sampathkumar, Jayakrishnakumar" uniqKey="Sampathkumar J" first="Jayakrishnakumar" last="Sampathkumar">Jayakrishnakumar Sampathkumar</name>
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