Hardness and modulus of elasticity of primary and permanent teeth after wear against different dental materials
ABSTRACT Objectives: The purpose of this study was to determine the Young's modulus and the hardness of deciduous and permanent teeth following wear challenges using different dental materials. Materials and Methods: Wear challenges were performed against four dental materials: A resin-based fi...
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| Veröffentlicht in: | European journal of dentistry 2015-10, Vol.9 (4), p.587-593 |
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| container_title | European journal of dentistry |
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| creator | Galo, Rodrigo Contente, Marta Maria Martins Giamatei Galafassi, Daniel Borsatto, Maria Cristina |
| description | ABSTRACT
Objectives:
The purpose of this study was to determine the Young's modulus and the hardness of deciduous and permanent teeth following wear challenges using different dental materials.
Materials and Methods:
Wear challenges were performed against four dental materials: A resin-based fissure sealant (Fluoroshield
®
), a glass ionomer based fissure sealant (Vitremer
®
), and two microhybrid composite resins (Filtek Z250 and P90
®
). Using the pin-on-plate design, a deciduous or a permanent tooth was made into a pin (4 mm × 4 mm × 2 mm) working at a 3 N vertical load, 1 Hz frequency, and 900 cycles (15 min) with Fusayama artificial saliva as a lubricant. Before and after the tribological tests, the hardness and elasticity modulus of the tooth samples were measured by creating a nanoindentation at load forces up to 50 mN and 150 mN. All of the results were statistically analyzed using ANOVA and
post-hoc
Duncan's tests (
P
< 0.05).
Results:
No difference in hardness was encountered between deciduous and permanent teeth (
P
< 0.05) or modulus of elasticity (
P
< 0.05) before or after the wear challenges for all of the dental materials tested.
Conclusions:
Wear challenges against the studied dental materials did not alter the properties of permanent or deciduous teeth after the application of a 3 N load. |
| doi_str_mv | 10.4103/1305-7456.172635 |
| format | Article |
| fullrecord | <record><control><sourceid>gale_pubme</sourceid><recordid>TN_cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_4745243</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><galeid>A439162079</galeid><sourcerecordid>A439162079</sourcerecordid><originalsourceid>FETCH-LOGICAL-c5485-dab98e17420b67ff9f247de77ab186099891d3600069ca8a02cfcddb1f6643173</originalsourceid><addsrcrecordid>eNqFks9rFDEUxwdRbK3ePUlAEC-7TSaZZHIRSlErFLzoOWQmLzspmcmaZCr9780469IFRQL5-Xnf5L18q-o1wVtGML0kFDcbwRq-JaLmtHlSnR-2OHt6nDf8rHqR0h3GnHIpn1dnNZe1FBifV-FGRzNBSkhPBo3BzH5OKFgEXqfsepcfltU-ulHHh9_QHuKoJ5gyygB5QNpmiOgn6Ij0TrspZWSctRAXxJROezTqwjjt08vqmS0DvDqMF9X3Tx-_Xd9sbr9-_nJ9dbvpG9Y2G6M72QIRrMYdF9ZKWzNhQAjdkZZjKVtJDOW4pCR73Wpc97Y3piOWc0aJoBfVh1V3P3cjmL48I2qvDnmooJ06PZncoHbhXrFSr5rRIvD-IBDDjxlSVqNLPXhfUg9zUqSlguJWUPl_VJSqt-VRuKBvV3SnPSg32VAu7xdcXTEqCa-xWAS3f6FKMzC6PkxgXdk_CXj3KGAA7fOQgp-zC1M6BfEK9jGkFMEeK0KwWiylFs-oxTNqtVQJefO4kseAPx4qwOUK5MHBCOouzHEqf_tvyV98T9RK</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1769981730</pqid></control><display><type>article</type><title>Hardness and modulus of elasticity of primary and permanent teeth after wear against different dental materials</title><source>Thieme Connect Journals Open Access</source><source>EZB-FREE-00999 freely available EZB journals</source><source>PubMed Central</source><creator>Galo, Rodrigo ; Contente, Marta Maria Martins Giamatei ; Galafassi, Daniel ; Borsatto, Maria Cristina</creator><creatorcontrib>Galo, Rodrigo ; Contente, Marta Maria Martins Giamatei ; Galafassi, Daniel ; Borsatto, Maria Cristina</creatorcontrib><description>ABSTRACT
Objectives:
The purpose of this study was to determine the Young's modulus and the hardness of deciduous and permanent teeth following wear challenges using different dental materials.
Materials and Methods:
Wear challenges were performed against four dental materials: A resin-based fissure sealant (Fluoroshield
®
), a glass ionomer based fissure sealant (Vitremer
®
), and two microhybrid composite resins (Filtek Z250 and P90
®
). Using the pin-on-plate design, a deciduous or a permanent tooth was made into a pin (4 mm × 4 mm × 2 mm) working at a 3 N vertical load, 1 Hz frequency, and 900 cycles (15 min) with Fusayama artificial saliva as a lubricant. Before and after the tribological tests, the hardness and elasticity modulus of the tooth samples were measured by creating a nanoindentation at load forces up to 50 mN and 150 mN. All of the results were statistically analyzed using ANOVA and
post-hoc
Duncan's tests (
P
< 0.05).
Results:
No difference in hardness was encountered between deciduous and permanent teeth (
P
< 0.05) or modulus of elasticity (
P
< 0.05) before or after the wear challenges for all of the dental materials tested.
Conclusions:
Wear challenges against the studied dental materials did not alter the properties of permanent or deciduous teeth after the application of a 3 N load.</description><identifier>ISSN: 1305-7456</identifier><identifier>EISSN: 1305-7464</identifier><identifier>DOI: 10.4103/1305-7456.172635</identifier><identifier>PMID: 26929700</identifier><language>eng</language><publisher>A-12, Second Floor, Sector -2, NOIDA -201301, India: Thieme Medical and Scientific Publishers Private Ltd</publisher><subject>Medical care ; Original ; Original Article ; United States</subject><ispartof>European journal of dentistry, 2015-10, Vol.9 (4), p.587-593</ispartof><rights>COPYRIGHT 2015 Medknow Publications and Media Pvt. Ltd.</rights><rights>Copyright: © European Journal of Dentistry 2015</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5485-dab98e17420b67ff9f247de77ab186099891d3600069ca8a02cfcddb1f6643173</citedby><cites>FETCH-LOGICAL-c5485-dab98e17420b67ff9f247de77ab186099891d3600069ca8a02cfcddb1f6643173</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4745243/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4745243/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,725,778,782,883,20874,27907,27908,53774,53776,54570</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26929700$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Galo, Rodrigo</creatorcontrib><creatorcontrib>Contente, Marta Maria Martins Giamatei</creatorcontrib><creatorcontrib>Galafassi, Daniel</creatorcontrib><creatorcontrib>Borsatto, Maria Cristina</creatorcontrib><title>Hardness and modulus of elasticity of primary and permanent teeth after wear against different dental materials</title><title>European journal of dentistry</title><addtitle>Eur J Dent</addtitle><description>ABSTRACT
Objectives:
The purpose of this study was to determine the Young's modulus and the hardness of deciduous and permanent teeth following wear challenges using different dental materials.
Materials and Methods:
Wear challenges were performed against four dental materials: A resin-based fissure sealant (Fluoroshield
®
), a glass ionomer based fissure sealant (Vitremer
®
), and two microhybrid composite resins (Filtek Z250 and P90
®
). Using the pin-on-plate design, a deciduous or a permanent tooth was made into a pin (4 mm × 4 mm × 2 mm) working at a 3 N vertical load, 1 Hz frequency, and 900 cycles (15 min) with Fusayama artificial saliva as a lubricant. Before and after the tribological tests, the hardness and elasticity modulus of the tooth samples were measured by creating a nanoindentation at load forces up to 50 mN and 150 mN. All of the results were statistically analyzed using ANOVA and
post-hoc
Duncan's tests (
P
< 0.05).
Results:
No difference in hardness was encountered between deciduous and permanent teeth (
P
< 0.05) or modulus of elasticity (
P
< 0.05) before or after the wear challenges for all of the dental materials tested.
Conclusions:
Wear challenges against the studied dental materials did not alter the properties of permanent or deciduous teeth after the application of a 3 N load.</description><subject>Medical care</subject><subject>Original</subject><subject>Original Article</subject><subject>United States</subject><issn>1305-7456</issn><issn>1305-7464</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>0U6</sourceid><recordid>eNqFks9rFDEUxwdRbK3ePUlAEC-7TSaZZHIRSlErFLzoOWQmLzspmcmaZCr9780469IFRQL5-Xnf5L18q-o1wVtGML0kFDcbwRq-JaLmtHlSnR-2OHt6nDf8rHqR0h3GnHIpn1dnNZe1FBifV-FGRzNBSkhPBo3BzH5OKFgEXqfsepcfltU-ulHHh9_QHuKoJ5gyygB5QNpmiOgn6Ij0TrspZWSctRAXxJROezTqwjjt08vqmS0DvDqMF9X3Tx-_Xd9sbr9-_nJ9dbvpG9Y2G6M72QIRrMYdF9ZKWzNhQAjdkZZjKVtJDOW4pCR73Wpc97Y3piOWc0aJoBfVh1V3P3cjmL48I2qvDnmooJ06PZncoHbhXrFSr5rRIvD-IBDDjxlSVqNLPXhfUg9zUqSlguJWUPl_VJSqt-VRuKBvV3SnPSg32VAu7xdcXTEqCa-xWAS3f6FKMzC6PkxgXdk_CXj3KGAA7fOQgp-zC1M6BfEK9jGkFMEeK0KwWiylFs-oxTNqtVQJefO4kseAPx4qwOUK5MHBCOouzHEqf_tvyV98T9RK</recordid><startdate>201510</startdate><enddate>201510</enddate><creator>Galo, Rodrigo</creator><creator>Contente, Marta Maria Martins Giamatei</creator><creator>Galafassi, Daniel</creator><creator>Borsatto, Maria Cristina</creator><general>Thieme Medical and Scientific Publishers Private Ltd</general><general>Medknow Publications and Media Pvt. Ltd</general><general>Medknow Publications & Media Pvt Ltd</general><scope>0U6</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QP</scope><scope>5PM</scope></search><sort><creationdate>201510</creationdate><title>Hardness and modulus of elasticity of primary and permanent teeth after wear against different dental materials</title><author>Galo, Rodrigo ; Contente, Marta Maria Martins Giamatei ; Galafassi, Daniel ; Borsatto, Maria Cristina</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5485-dab98e17420b67ff9f247de77ab186099891d3600069ca8a02cfcddb1f6643173</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Medical care</topic><topic>Original</topic><topic>Original Article</topic><topic>United States</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Galo, Rodrigo</creatorcontrib><creatorcontrib>Contente, Marta Maria Martins Giamatei</creatorcontrib><creatorcontrib>Galafassi, Daniel</creatorcontrib><creatorcontrib>Borsatto, Maria Cristina</creatorcontrib><collection>Thieme Connect Journals Open Access</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>European journal of dentistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Galo, Rodrigo</au><au>Contente, Marta Maria Martins Giamatei</au><au>Galafassi, Daniel</au><au>Borsatto, Maria Cristina</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hardness and modulus of elasticity of primary and permanent teeth after wear against different dental materials</atitle><jtitle>European journal of dentistry</jtitle><addtitle>Eur J Dent</addtitle><date>2015-10</date><risdate>2015</risdate><volume>9</volume><issue>4</issue><spage>587</spage><epage>593</epage><pages>587-593</pages><issn>1305-7456</issn><eissn>1305-7464</eissn><abstract>ABSTRACT
Objectives:
The purpose of this study was to determine the Young's modulus and the hardness of deciduous and permanent teeth following wear challenges using different dental materials.
Materials and Methods:
Wear challenges were performed against four dental materials: A resin-based fissure sealant (Fluoroshield
®
), a glass ionomer based fissure sealant (Vitremer
®
), and two microhybrid composite resins (Filtek Z250 and P90
®
). Using the pin-on-plate design, a deciduous or a permanent tooth was made into a pin (4 mm × 4 mm × 2 mm) working at a 3 N vertical load, 1 Hz frequency, and 900 cycles (15 min) with Fusayama artificial saliva as a lubricant. Before and after the tribological tests, the hardness and elasticity modulus of the tooth samples were measured by creating a nanoindentation at load forces up to 50 mN and 150 mN. All of the results were statistically analyzed using ANOVA and
post-hoc
Duncan's tests (
P
< 0.05).
Results:
No difference in hardness was encountered between deciduous and permanent teeth (
P
< 0.05) or modulus of elasticity (
P
< 0.05) before or after the wear challenges for all of the dental materials tested.
Conclusions:
Wear challenges against the studied dental materials did not alter the properties of permanent or deciduous teeth after the application of a 3 N load.</abstract><cop>A-12, Second Floor, Sector -2, NOIDA -201301, India</cop><pub>Thieme Medical and Scientific Publishers Private Ltd</pub><pmid>26929700</pmid><doi>10.4103/1305-7456.172635</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| issn | 1305-7456 1305-7464 |
| language | eng |
| recordid | cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_4745243 |
| source | Thieme Connect Journals Open Access; EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Medical care Original Original Article United States |
| title | Hardness and modulus of elasticity of primary and permanent teeth after wear against different dental materials |
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