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Two Body Wear of Newly Introduced Nanocomposite Teeth and Cross Linked Four Layered Acrylic Teeth: a Comparitive In Vitro Study

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Two Body Wear of Newly Introduced Nanocomposite Teeth and Cross Linked Four Layered Acrylic Teeth: a Comparitive In Vitro Study

Auteurs : R. Ilangkumaran [Inde] ; J. Srinivasan [Inde] ; K. Baburajan [Inde] ; N. Balaji [Inde]

Source :

The Journal of the Indian Prosthodontic Society [ 0972-4052 ] ; 2014.

RBID : PMC:4502009

Abstract

Statement of Problem: Wear of complete denture teeth results in compromise in denture esthetics and functions. To counteract this problem, artificial teeth with increased wear resistance had been introduced in the market such as nanocomposite teeth. Purpose: The purpose of this study was to compare the amount of wear between nanocomposite teeth and acrylic teeth. Materials and methods: Fifteen specimens were chosen from each group namely the nanocomposite teeth (SR_-PHONARES) and the acrylic teeth (ACRY PLUS). Maxillary premolar was only chosen for testing and the samples were customized according to the specifications of the pin on disc machine. Pin on disc machine is a two body tribometer which quantifies the amount of wear under a specific load and time. Test samples were mounted on to the receptacle of the pin on disc machine and tested under a load of 0.3 kg for 1,000 cycles of rotation against a 600 grit emery paper. The amount of wear is displayed from the digital reading obtained from the pin on disc machine. Results: After statistical analysis, it was found that, the amount of wear is more in four layered acrylic teeth. The p value obtained is 0.002 (<0.005) thus implies that the difference in wear between nanocomposite teeth and acrylic teeth is statistically significant. Conclusion: Though the nanocomposite teeth has less amount of wear than the four layered acrylic teeth, the difference is very less and adds only to a little clinical significance but the cost of the nanocomposite is four times that of the acrylic teeth. Further clinical studies must be performed to confirm our results.

Electronic supplementary material

The online version of this article (doi:10.1007/s13191-014-0381-z) contains supplementary material, which is available to authorized users.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4502009

DOI: 10.1007/s13191-014-0381-z
PubMed: 26199502
PubMed Central: 4502009

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<front><div type="abstract" xml:lang="en"><p><italic>Statement of Problem</italic>
: Wear of complete denture teeth results in compromise in denture esthetics and functions. To counteract this problem, artificial teeth with increased wear resistance had been introduced in the market such as nanocomposite teeth. <italic>Purpose</italic>
: The purpose of this study was to compare the amount of wear between nanocomposite teeth and acrylic teeth. <italic>Materials and methods</italic>
: Fifteen specimens were chosen from each group namely the nanocomposite teeth (SR_-PHONARES) and the acrylic teeth (ACRY PLUS). Maxillary premolar was only chosen for testing and the samples were customized according to the specifications of the pin on disc machine. Pin on disc machine is a two body tribometer which quantifies the amount of wear under a specific load and time. Test samples were mounted on to the receptacle of the pin on disc machine and tested under a load of 0.3 kg for 1,000 cycles of rotation against a 600 grit emery paper. The amount of wear is displayed from the digital reading obtained from the pin on disc machine. <italic>Results</italic>
: After statistical analysis, it was found that, the amount of wear is more in four layered acrylic teeth. The <italic>p</italic>
 value obtained is 0.002 (<0.005) thus implies that the difference in wear between nanocomposite teeth and acrylic teeth is statistically significant. <italic>Conclusion</italic>
: Though the nanocomposite teeth has less amount of wear than the four layered acrylic teeth, the difference is very less and adds only to a little clinical significance but the cost of the nanocomposite is four times that of the acrylic teeth. Further clinical studies must be performed to confirm our results.</p>
<sec><title>Electronic supplementary material</title>
<p>The online version of this article (doi:10.1007/s13191-014-0381-z) contains supplementary material, which is available to authorized users.</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">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>
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<issn pub-type="ppub">0972-4052</issn>
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<article-id pub-id-type="doi">10.1007/s13191-014-0381-z</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject>
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<title-group><article-title>Two Body Wear of Newly Introduced Nanocomposite Teeth and Cross Linked Four Layered Acrylic Teeth: a Comparitive In Vitro Study</article-title>
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<contrib-group><contrib contrib-type="author"><name><surname>Ilangkumaran</surname>
<given-names>R.</given-names>
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<contrib contrib-type="author" corresp="yes"><name><surname>Srinivasan</surname>
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<address><email>srini_rajee@yahoo.co.in</email>
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<contrib contrib-type="author"><name><surname>Baburajan</surname>
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<contrib contrib-type="author"><name><surname>Balaji</surname>
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<aff id="Aff1">Department of Prosthodontics, Indira Gandhi Institute of Dental Sciences, Pondicherry, India</aff>
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<pub-date pub-type="epub"><day>17</day>
<month>7</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="ppub"><month>12</month>
<year>2014</year>
</pub-date>
<volume>14</volume>
<issue>Suppl 1</issue>
<fpage>126</fpage>
<lpage>131</lpage>
<history><date date-type="received"><day>20</day>
<month>11</month>
<year>2013</year>
</date>
<date date-type="accepted"><day>22</day>
<month>6</month>
<year>2014</year>
</date>
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<permissions><copyright-statement>© Indian Prosthodontic Society 2014</copyright-statement>
</permissions>
<abstract id="Abs1"><p><italic>Statement of Problem</italic>
: Wear of complete denture teeth results in compromise in denture esthetics and functions. To counteract this problem, artificial teeth with increased wear resistance had been introduced in the market such as nanocomposite teeth. <italic>Purpose</italic>
: The purpose of this study was to compare the amount of wear between nanocomposite teeth and acrylic teeth. <italic>Materials and methods</italic>
: Fifteen specimens were chosen from each group namely the nanocomposite teeth (SR_-PHONARES) and the acrylic teeth (ACRY PLUS). Maxillary premolar was only chosen for testing and the samples were customized according to the specifications of the pin on disc machine. Pin on disc machine is a two body tribometer which quantifies the amount of wear under a specific load and time. Test samples were mounted on to the receptacle of the pin on disc machine and tested under a load of 0.3 kg for 1,000 cycles of rotation against a 600 grit emery paper. The amount of wear is displayed from the digital reading obtained from the pin on disc machine. <italic>Results</italic>
: After statistical analysis, it was found that, the amount of wear is more in four layered acrylic teeth. The <italic>p</italic>
 value obtained is 0.002 (<0.005) thus implies that the difference in wear between nanocomposite teeth and acrylic teeth is statistically significant. <italic>Conclusion</italic>
: Though the nanocomposite teeth has less amount of wear than the four layered acrylic teeth, the difference is very less and adds only to a little clinical significance but the cost of the nanocomposite is four times that of the acrylic teeth. Further clinical studies must be performed to confirm our results.</p>
<sec><title>Electronic supplementary material</title>
<p>The online version of this article (doi:10.1007/s13191-014-0381-z) contains supplementary material, which is available to authorized users.</p>
</sec>
</abstract>
<kwd-group xml:lang="en"><title>Keywords</title>
<kwd>Wear</kwd>
<kwd>Nanocomposite teeth</kwd>
<kwd>Four layered acrylic teeth or In-vitro study</kwd>
</kwd-group>
<custom-meta-group><custom-meta><meta-name>issue-copyright-statement</meta-name>
<meta-value>© Indian Prosthodontic Society 2014</meta-value>
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</front>
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<affiliations><list><country><li>Inde</li>
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<name sortKey="Srinivasan, J" sort="Srinivasan, J" uniqKey="Srinivasan J" first="J." last="Srinivasan">J. Srinivasan</name>
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Two Body Wear of Newly Introduced Nanocomposite Teeth and Cross Linked Four Layered Acrylic Teeth: a Comparitive In Vitro Study

Two Body Wear of Newly Introduced Nanocomposite Teeth and Cross Linked Four Layered Acrylic Teeth: a Comparitive In Vitro Study

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