In Vitro Comparative Evaluation of Different Types of Impression Trays and Impression Materials on the Accuracy of Open Tray Implant Impressions: A Pilot Study
Identifieur interne : 002E12 ( Pmc/Curation ); précédent : 002E11; suivant : 002E13In Vitro Comparative Evaluation of Different Types of Impression Trays and Impression Materials on the Accuracy of Open Tray Implant Impressions: A Pilot Study
Auteurs : Sonam Gupta [Inde] ; Aparna Ichalangod Narayan [Inde] ; Dhanasekar Balakrishnan [Inde]Source :
- International Journal of Dentistry [ 1687-8728 ] ; 2017.
Abstract
Url:
DOI: 10.1155/2017/6306530
PubMed: 28348595
PubMed Central: 5350296
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<author><name sortKey="Gupta, Sonam" sort="Gupta, Sonam" uniqKey="Gupta S" first="Sonam" last="Gupta">Sonam Gupta</name>
<affiliation wicri:level="1"><nlm:aff id="I1">Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, India</nlm:aff>
<country xml:lang="fr">Inde</country>
<wicri:regionArea>Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka</wicri:regionArea>
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<author><name sortKey="Narayan, Aparna Ichalangod" sort="Narayan, Aparna Ichalangod" uniqKey="Narayan A" first="Aparna Ichalangod" last="Narayan">Aparna Ichalangod Narayan</name>
<affiliation wicri:level="1"><nlm:aff id="I1">Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, India</nlm:aff>
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<author><name sortKey="Balakrishnan, Dhanasekar" sort="Balakrishnan, Dhanasekar" uniqKey="Balakrishnan D" first="Dhanasekar" last="Balakrishnan">Dhanasekar Balakrishnan</name>
<affiliation wicri:level="1"><nlm:aff id="I1">Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, India</nlm:aff>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">In Vitro Comparative Evaluation of Different Types of Impression Trays and Impression Materials on the Accuracy of Open Tray Implant Impressions: A Pilot Study</title>
<author><name sortKey="Gupta, Sonam" sort="Gupta, Sonam" uniqKey="Gupta S" first="Sonam" last="Gupta">Sonam Gupta</name>
<affiliation wicri:level="1"><nlm:aff id="I1">Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, India</nlm:aff>
<country xml:lang="fr">Inde</country>
<wicri:regionArea>Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka</wicri:regionArea>
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</author>
<author><name sortKey="Narayan, Aparna Ichalangod" sort="Narayan, Aparna Ichalangod" uniqKey="Narayan A" first="Aparna Ichalangod" last="Narayan">Aparna Ichalangod Narayan</name>
<affiliation wicri:level="1"><nlm:aff id="I1">Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, India</nlm:aff>
<country xml:lang="fr">Inde</country>
<wicri:regionArea>Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka</wicri:regionArea>
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<author><name sortKey="Balakrishnan, Dhanasekar" sort="Balakrishnan, Dhanasekar" uniqKey="Balakrishnan D" first="Dhanasekar" last="Balakrishnan">Dhanasekar Balakrishnan</name>
<affiliation wicri:level="1"><nlm:aff id="I1">Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, India</nlm:aff>
<country xml:lang="fr">Inde</country>
<wicri:regionArea>Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka</wicri:regionArea>
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<series><title level="j">International Journal of Dentistry</title>
<idno type="ISSN">1687-8728</idno>
<idno type="eISSN">1687-8736</idno>
<imprint><date when="2017">2017</date>
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<front><div type="abstract" xml:lang="en"><p><italic>Purpose</italic>
. For a precise fit of multiple implant framework, having an accurate definitive cast is imperative. The present study evaluated dimensional accuracy of master casts obtained using different impression trays and materials with open tray impression technique.<italic> Materials and Methods</italic>
. A machined aluminum reference model with four parallel implant analogues was fabricated. Forty implant level impressions were made. Eight groups (<italic>n</italic>
= 5) were tested using impression materials (polyether and vinylsiloxanether) and four types of impression trays, two being custom (self-cure acrylic and light cure acrylic) and two being stock (plastic and metal). The interimplant distances were measured on master casts using a coordinate measuring machine. The collected data was compared with a standard reference model and was statistically analyzed using two-way ANOVA.<italic> Results</italic>
. Statistically significant difference (<italic>p</italic>
< 0.05) was found between the two impression materials. However, the difference seen was small (36 <italic>μ</italic>
m) irrespective of the tray type used. No significant difference (<italic>p</italic>
> 0.05) was observed between varied stock and custom trays.<italic> Conclusions</italic>
. The polyether impression material proved to be more accurate than vinylsiloxanether impression material. The rigid nonperforated stock trays, both plastic and metal, could be an alternative for custom trays for multi-implant impressions when used with medium viscosity impression materials. </p>
</div>
</front>
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</TEI>
<pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Int J Dent</journal-id>
<journal-id journal-id-type="iso-abbrev">Int J Dent</journal-id>
<journal-id journal-id-type="publisher-id">IJD</journal-id>
<journal-title-group><journal-title>International Journal of Dentistry</journal-title>
</journal-title-group>
<issn pub-type="ppub">1687-8728</issn>
<issn pub-type="epub">1687-8736</issn>
<publisher><publisher-name>Hindawi Publishing Corporation</publisher-name>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">28348595</article-id>
<article-id pub-id-type="pmc">5350296</article-id>
<article-id pub-id-type="doi">10.1155/2017/6306530</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>In Vitro Comparative Evaluation of Different Types of Impression Trays and Impression Materials on the Accuracy of Open Tray Implant Impressions: A Pilot Study</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Gupta</surname>
<given-names>Sonam</given-names>
</name>
<xref ref-type="aff" rid="I1"></xref>
</contrib>
<contrib contrib-type="author"><contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0002-7580-245X</contrib-id>
<name><surname>Narayan</surname>
<given-names>Aparna Ichalangod</given-names>
</name>
<xref ref-type="aff" rid="I1"></xref>
<xref ref-type="corresp" rid="cor1"><sup>*</sup>
</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Balakrishnan</surname>
<given-names>Dhanasekar</given-names>
</name>
<xref ref-type="aff" rid="I1"></xref>
</contrib>
</contrib-group>
<aff id="I1">Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, India</aff>
<author-notes><corresp id="cor1">*Aparna Ichalangod Narayan: <email>manipal.research10@gmail.com</email>
</corresp>
<fn fn-type="other"><p>Academic Editor: Martin Lorenzoni</p>
</fn>
</author-notes>
<pub-date pub-type="ppub"><year>2017</year>
</pub-date>
<pub-date pub-type="epub"><day>27</day>
<month>2</month>
<year>2017</year>
</pub-date>
<volume>2017</volume>
<elocation-id>6306530</elocation-id>
<history><date date-type="received"><day>27</day>
<month>12</month>
<year>2016</year>
</date>
<date date-type="accepted"><day>12</day>
<month>2</month>
<year>2017</year>
</date>
</history>
<permissions><copyright-statement>Copyright © 2017 Sonam Gupta et al.</copyright-statement>
<copyright-year>2017</copyright-year>
<license xlink:href="https://creativecommons.org/licenses/by/4.0/"><license-p>This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p>
</license>
</permissions>
<abstract><p><italic>Purpose</italic>
. For a precise fit of multiple implant framework, having an accurate definitive cast is imperative. The present study evaluated dimensional accuracy of master casts obtained using different impression trays and materials with open tray impression technique.<italic> Materials and Methods</italic>
. A machined aluminum reference model with four parallel implant analogues was fabricated. Forty implant level impressions were made. Eight groups (<italic>n</italic>
= 5) were tested using impression materials (polyether and vinylsiloxanether) and four types of impression trays, two being custom (self-cure acrylic and light cure acrylic) and two being stock (plastic and metal). The interimplant distances were measured on master casts using a coordinate measuring machine. The collected data was compared with a standard reference model and was statistically analyzed using two-way ANOVA.<italic> Results</italic>
. Statistically significant difference (<italic>p</italic>
< 0.05) was found between the two impression materials. However, the difference seen was small (36 <italic>μ</italic>
m) irrespective of the tray type used. No significant difference (<italic>p</italic>
> 0.05) was observed between varied stock and custom trays.<italic> Conclusions</italic>
. The polyether impression material proved to be more accurate than vinylsiloxanether impression material. The rigid nonperforated stock trays, both plastic and metal, could be an alternative for custom trays for multi-implant impressions when used with medium viscosity impression materials. </p>
</abstract>
<funding-group><award-group><funding-source>Nobel Biocare</funding-source>
<award-id>2015-1354</award-id>
</award-group>
</funding-group>
</article-meta>
</front>
<floats-group><fig id="fig1" orientation="portrait" position="float"><label>Figure 1</label>
<caption><p>Reference model with implants and healing abutments in place.</p>
</caption>
<graphic xlink:href="IJD2017-6306530.001"></graphic>
</fig>
<fig id="fig2" orientation="portrait" position="float"><label>Figure 2</label>
<caption><p>Metal splinted tapered impression copings.</p>
</caption>
<graphic xlink:href="IJD2017-6306530.002"></graphic>
</fig>
<fig id="fig3" orientation="portrait" position="float"><label>Figure 3</label>
<caption><p>Measurement of coordinates of healing abutments using the CMM.</p>
</caption>
<graphic xlink:href="IJD2017-6306530.003"></graphic>
</fig>
<fig id="fig4" orientation="portrait" position="float"><label>Figure 4</label>
<caption><p>Establishment of coordinate system for measurements.</p>
</caption>
<graphic xlink:href="IJD2017-6306530.004"></graphic>
</fig>
<fig id="fig5" orientation="portrait" position="float"><label>Figure 5</label>
<caption><p>Descriptive mean analysis of test impression materials (<italic>μ</italic>
m).</p>
</caption>
<graphic xlink:href="IJD2017-6306530.005"></graphic>
</fig>
<fig id="fig6" orientation="portrait" position="float"><label>Figure 6</label>
<caption><p>Descriptive mean analysis of test impression materials (<italic>μ</italic>
m).</p>
</caption>
<graphic xlink:href="IJD2017-6306530.006"></graphic>
</fig>
<table-wrap id="tab1" orientation="portrait" position="float"><label>Table 1</label>
<caption><p>Two-way analysis of variance (<italic>µ</italic>
m).</p>
</caption>
<table frame="hsides" rules="groups"><thead><tr><th align="left" rowspan="1" colspan="1">Source</th>
<th align="center" rowspan="1" colspan="1">Type III sum of squares</th>
<th align="center" rowspan="1" colspan="1">df</th>
<th align="center" rowspan="1" colspan="1">Mean square</th>
<th align="center" rowspan="1" colspan="1"><italic>F</italic>
</th>
<th align="center" rowspan="1" colspan="1">Sig.</th>
</tr>
</thead>
<tbody><tr><td align="left" rowspan="1" colspan="1">Corrected model</td>
<td align="center" rowspan="1" colspan="1">.554<sup>a</sup>
</td>
<td align="center" rowspan="1" colspan="1">4</td>
<td align="center" rowspan="1" colspan="1">.139</td>
<td align="center" rowspan="1" colspan="1">3.212</td>
<td align="center" rowspan="1" colspan="1">.024</td>
</tr>
<tr><td align="left" rowspan="1" colspan="1">Intercept</td>
<td align="center" rowspan="1" colspan="1">24.513</td>
<td align="center" rowspan="1" colspan="1">1</td>
<td align="center" rowspan="1" colspan="1">24.513</td>
<td align="center" rowspan="1" colspan="1">568.337</td>
<td align="center" rowspan="1" colspan="1">.000</td>
</tr>
<tr><td align="left" rowspan="1" colspan="1">Impression material</td>
<td align="center" rowspan="1" colspan="1">.467</td>
<td align="center" rowspan="1" colspan="1">1</td>
<td align="center" rowspan="1" colspan="1">.467</td>
<td align="center" rowspan="1" colspan="1">10.834</td>
<td align="center" rowspan="1" colspan="1">.002</td>
</tr>
<tr><td align="left" rowspan="1" colspan="1">Impression tray</td>
<td align="center" rowspan="1" colspan="1">.087</td>
<td align="center" rowspan="1" colspan="1">3</td>
<td align="center" rowspan="1" colspan="1">.029</td>
<td align="center" rowspan="1" colspan="1">.671</td>
<td align="center" rowspan="1" colspan="1">.576</td>
</tr>
<tr><td align="left" rowspan="1" colspan="1">Error</td>
<td align="center" rowspan="1" colspan="1">1.510</td>
<td align="center" rowspan="1" colspan="1">35</td>
<td align="center" rowspan="1" colspan="1">.043</td>
<td align="center" rowspan="1" colspan="1"> </td>
<td align="center" rowspan="1" colspan="1"> </td>
</tr>
<tr><td align="left" rowspan="1" colspan="1">Total</td>
<td align="center" rowspan="1" colspan="1">2.064</td>
<td align="center" rowspan="1" colspan="1">39</td>
<td align="center" rowspan="1" colspan="1"> </td>
<td align="center" rowspan="1" colspan="1"> </td>
<td align="center" rowspan="1" colspan="1"> </td>
</tr>
</tbody>
</table>
<table-wrap-foot><fn><p><sup>a</sup>
<italic>R</italic>
-squared.</p>
</fn>
</table-wrap-foot>
</table-wrap>
<table-wrap id="tab2" orientation="portrait" position="float"><label>Table 2</label>
<caption><p>Descriptive mean analysis of test impression materials (<italic>µ</italic>
m).</p>
</caption>
<table frame="hsides" rules="groups"><thead><tr><th align="left" rowspan="1" colspan="1">Material</th>
<th align="center" rowspan="1" colspan="1"><italic>N</italic>
</th>
<th align="center" rowspan="1" colspan="1">Mean</th>
<th align="center" rowspan="1" colspan="1">SD</th>
</tr>
</thead>
<tbody><tr><td align="left" rowspan="1" colspan="1">PE</td>
<td align="center" rowspan="1" colspan="1">20</td>
<td align="center" rowspan="1" colspan="1">112</td>
<td align="center" rowspan="1" colspan="1">7.74</td>
</tr>
<tr><td align="left" rowspan="1" colspan="1">VSXE</td>
<td align="center" rowspan="1" colspan="1">20</td>
<td align="center" rowspan="1" colspan="1">148</td>
<td align="center" rowspan="1" colspan="1">7.74</td>
</tr>
</tbody>
</table>
</table-wrap>
<table-wrap id="tab3" orientation="portrait" position="float"><label>Table 3</label>
<caption><p>Descriptive mean analysis of test impression materials (<italic>µ</italic>
m).</p>
</caption>
<table frame="hsides" rules="groups"><thead><tr><th align="left" rowspan="1" colspan="1">Trays</th>
<th align="center" rowspan="1" colspan="1"><italic>N</italic>
</th>
<th align="center" rowspan="1" colspan="1">Mean</th>
<th align="center" rowspan="1" colspan="1">SD</th>
</tr>
</thead>
<tbody><tr><td align="left" rowspan="1" colspan="1">Custom</td>
<td align="center" rowspan="1" colspan="1"> </td>
<td align="center" rowspan="1" colspan="1"> </td>
<td align="center" rowspan="1" colspan="1"> </td>
</tr>
<tr><td align="left" rowspan="1" colspan="1"> Self-cure</td>
<td align="center" rowspan="1" colspan="1">10</td>
<td align="center" rowspan="1" colspan="1">132</td>
<td align="center" rowspan="1" colspan="1">.04701</td>
</tr>
<tr><td align="left" rowspan="1" colspan="1"> Light cure</td>
<td align="center" rowspan="1" colspan="1">10</td>
<td align="center" rowspan="1" colspan="1">118</td>
<td align="center" rowspan="1" colspan="1">.03171</td>
</tr>
<tr><td align="left" rowspan="1" colspan="1"> Total</td>
<td align="center" rowspan="1" colspan="1">20</td>
<td align="center" rowspan="1" colspan="1">125</td>
<td align="center" rowspan="1" colspan="1">.03965</td>
</tr>
<tr><td align="center" colspan="4" rowspan="1"><hr></hr>
</td>
</tr>
<tr><td align="left" rowspan="1" colspan="1">Stock trays</td>
<td align="center" rowspan="1" colspan="1"> </td>
<td align="center" rowspan="1" colspan="1"> </td>
<td align="center" rowspan="1" colspan="1"> </td>
</tr>
<tr><td align="left" rowspan="1" colspan="1"> Metal</td>
<td align="center" rowspan="1" colspan="1">10</td>
<td align="center" rowspan="1" colspan="1">140</td>
<td align="center" rowspan="1" colspan="1">.04086</td>
</tr>
<tr><td align="left" rowspan="1" colspan="1"> Plastic</td>
<td align="center" rowspan="1" colspan="1">10</td>
<td align="center" rowspan="1" colspan="1">131</td>
<td align="center" rowspan="1" colspan="1">.03488</td>
</tr>
<tr><td align="left" rowspan="1" colspan="1"> Total</td>
<td align="center" rowspan="1" colspan="1">20</td>
<td align="center" rowspan="1" colspan="1">135</td>
<td align="center" rowspan="1" colspan="1">.03726</td>
</tr>
</tbody>
</table>
</table-wrap>
</floats-group>
</pmc>
</record>
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