Reliability evaluation of alumina-blasted/acid-etched versus laser-sintered dental implants
Step-stress accelerated life testing (SSALT) and fractographic analysis were performed to evaluate the reliability and failure modes of dental implant fabricated by machining (surface treated with alumina blasting/acid etching) or laser sintering for anterior single-unit replacements. Forty-two dent...
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| Veröffentlicht in: | Lasers in medical science 2013-05, Vol.28 (3), p.851-858 |
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| creator | Almeida, Erika O. Júnior, Amilcar C. Freitas Bonfante, Estevam A. Silva, Nelson R. F. A. Coelho, Paulo G. |
| description | Step-stress accelerated life testing (SSALT) and fractographic analysis were performed to evaluate the reliability and failure modes of dental implant fabricated by machining (surface treated with alumina blasting/acid etching) or laser sintering for anterior single-unit replacements. Forty-two dental implants (3.75 × 10 mm) were divided in two groups (
n
= 21 each): laser sintered (LS) and alumina blasting/acid etching (AB/AE). The abutments were screwed to the implants and standardized maxillary central incisor metallic crowns were cemented and subjected to SSALT in water. Use-level probability Weibull curves and reliability for a mission of 50,000 cycles at 200 N were calculated. Polarized light and scanning electron microscopes were used for failure analyses. The Beta (β) value derived from use-level probability Weibull calculation of 1.48 for group AB/AE indicated that damage accumulation likely was an accelerating factor, whereas the β of 0.78 for group LS indicated that load alone likely dictated the failure mechanism for this group, and that fatigue damage did not appear to accumulate. The reliability was not significantly different (
p
> 0.9) between AB/AE (61 %) and LS (62 %). Fracture of the abutment and fixation screw was the chief failure mode. No implant fractures were observed. No differences in reliability and fracture mode were observed between LS and AB/AE implants used for anterior single-unit crowns. |
| doi_str_mv | 10.1007/s10103-012-1170-8 |
| format | Article |
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n
= 21 each): laser sintered (LS) and alumina blasting/acid etching (AB/AE). The abutments were screwed to the implants and standardized maxillary central incisor metallic crowns were cemented and subjected to SSALT in water. Use-level probability Weibull curves and reliability for a mission of 50,000 cycles at 200 N were calculated. Polarized light and scanning electron microscopes were used for failure analyses. The Beta (β) value derived from use-level probability Weibull calculation of 1.48 for group AB/AE indicated that damage accumulation likely was an accelerating factor, whereas the β of 0.78 for group LS indicated that load alone likely dictated the failure mechanism for this group, and that fatigue damage did not appear to accumulate. The reliability was not significantly different (
p
> 0.9) between AB/AE (61 %) and LS (62 %). Fracture of the abutment and fixation screw was the chief failure mode. No implant fractures were observed. No differences in reliability and fracture mode were observed between LS and AB/AE implants used for anterior single-unit crowns.</description><identifier>ISSN: 0268-8921</identifier><identifier>EISSN: 1435-604X</identifier><identifier>DOI: 10.1007/s10103-012-1170-8</identifier><identifier>PMID: 22843309</identifier><identifier>CODEN: LMSCEZ</identifier><language>eng</language><publisher>London: Springer-Verlag</publisher><subject>Acid Etching, Dental ; Aluminum Oxide ; Crowns ; Dental Implantation, Endosseous ; Dental Implants ; Dental Materials - radiation effects ; Dental Restoration Failure ; Dentistry ; Equipment Failure Analysis ; Humans ; Lasers ; Lasers, Solid-State ; Materials Testing ; Medicine ; Medicine & Public Health ; Microscopy, Electron, Scanning ; Optical Devices ; Optics ; Original Article ; Photonics ; Quantum Optics ; Surface Properties ; Transplants & implants</subject><ispartof>Lasers in medical science, 2013-05, Vol.28 (3), p.851-858</ispartof><rights>Springer-Verlag London Ltd 2012</rights><rights>Springer-Verlag London 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c471t-63843a322270935b896f5a9859c192ec271e680bb7aa1b15a0b7291349ff38573</citedby><cites>FETCH-LOGICAL-c471t-63843a322270935b896f5a9859c192ec271e680bb7aa1b15a0b7291349ff38573</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10103-012-1170-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10103-012-1170-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22843309$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Almeida, Erika O.</creatorcontrib><creatorcontrib>Júnior, Amilcar C. Freitas</creatorcontrib><creatorcontrib>Bonfante, Estevam A.</creatorcontrib><creatorcontrib>Silva, Nelson R. F. A.</creatorcontrib><creatorcontrib>Coelho, Paulo G.</creatorcontrib><title>Reliability evaluation of alumina-blasted/acid-etched versus laser-sintered dental implants</title><title>Lasers in medical science</title><addtitle>Lasers Med Sci</addtitle><addtitle>Lasers Med Sci</addtitle><description>Step-stress accelerated life testing (SSALT) and fractographic analysis were performed to evaluate the reliability and failure modes of dental implant fabricated by machining (surface treated with alumina blasting/acid etching) or laser sintering for anterior single-unit replacements. Forty-two dental implants (3.75 × 10 mm) were divided in two groups (
n
= 21 each): laser sintered (LS) and alumina blasting/acid etching (AB/AE). The abutments were screwed to the implants and standardized maxillary central incisor metallic crowns were cemented and subjected to SSALT in water. Use-level probability Weibull curves and reliability for a mission of 50,000 cycles at 200 N were calculated. Polarized light and scanning electron microscopes were used for failure analyses. The Beta (β) value derived from use-level probability Weibull calculation of 1.48 for group AB/AE indicated that damage accumulation likely was an accelerating factor, whereas the β of 0.78 for group LS indicated that load alone likely dictated the failure mechanism for this group, and that fatigue damage did not appear to accumulate. The reliability was not significantly different (
p
> 0.9) between AB/AE (61 %) and LS (62 %). Fracture of the abutment and fixation screw was the chief failure mode. No implant fractures were observed. No differences in reliability and fracture mode were observed between LS and AB/AE implants used for anterior single-unit crowns.</description><subject>Acid Etching, Dental</subject><subject>Aluminum Oxide</subject><subject>Crowns</subject><subject>Dental Implantation, Endosseous</subject><subject>Dental Implants</subject><subject>Dental Materials - radiation effects</subject><subject>Dental Restoration Failure</subject><subject>Dentistry</subject><subject>Equipment Failure Analysis</subject><subject>Humans</subject><subject>Lasers</subject><subject>Lasers, Solid-State</subject><subject>Materials Testing</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Microscopy, Electron, Scanning</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Original Article</subject><subject>Photonics</subject><subject>Quantum Optics</subject><subject>Surface Properties</subject><subject>Transplants & implants</subject><issn>0268-8921</issn><issn>1435-604X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNqNkV1LHTEQhoO06PHoD-iNLPSmN9FMPjbJZZG2CkKhtCB4EbK7sxrZj2OSFfz3zeFoEaHgVULmyTvvzEvIJ2CnwJg-S8CACcqAUwDNqNkjK5BC0ZrJ6w9kxXhtqLEcDshhSveMga5B7JMDzo0UgtkVufmFQ_BNGEJ-qvDRD4vPYZ6qua_KfQyTp83gU8buzLeho5jbO-yqR4xpSVWpYKQpTBljee1wyn6owrgZ_JTTEfnY-yHh8fO5Jn--f_t9fkGvfv64PP96RVupIdNaFDNecM41s0I1xta98tYo24Ll2HINWBvWNNp7aEB51mhuQUjb98IoLdbky053E-eHBVN2Y0gtDsUEzktyIBTnVipr3oFKzZURZa1r8vkNej8vcSqDbKlaWsltXSjYUW2cU4rYu00Mo49PDpjbhuR2IbkSktuG5LYmTp6Vl2bE7t-Pl1QKwHdAKqXpFuOr1v9V_QtBZJri</recordid><startdate>20130501</startdate><enddate>20130501</enddate><creator>Almeida, Erika O.</creator><creator>Júnior, Amilcar C. 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A. ; Coelho, Paulo G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c471t-63843a322270935b896f5a9859c192ec271e680bb7aa1b15a0b7291349ff38573</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Acid Etching, Dental</topic><topic>Aluminum Oxide</topic><topic>Crowns</topic><topic>Dental Implantation, Endosseous</topic><topic>Dental Implants</topic><topic>Dental Materials - radiation effects</topic><topic>Dental Restoration Failure</topic><topic>Dentistry</topic><topic>Equipment Failure Analysis</topic><topic>Humans</topic><topic>Lasers</topic><topic>Lasers, Solid-State</topic><topic>Materials Testing</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Microscopy, Electron, Scanning</topic><topic>Optical Devices</topic><topic>Optics</topic><topic>Original Article</topic><topic>Photonics</topic><topic>Quantum Optics</topic><topic>Surface Properties</topic><topic>Transplants & implants</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Almeida, Erika O.</creatorcontrib><creatorcontrib>Júnior, Amilcar C. 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Freitas</au><au>Bonfante, Estevam A.</au><au>Silva, Nelson R. F. A.</au><au>Coelho, Paulo G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reliability evaluation of alumina-blasted/acid-etched versus laser-sintered dental implants</atitle><jtitle>Lasers in medical science</jtitle><stitle>Lasers Med Sci</stitle><addtitle>Lasers Med Sci</addtitle><date>2013-05-01</date><risdate>2013</risdate><volume>28</volume><issue>3</issue><spage>851</spage><epage>858</epage><pages>851-858</pages><issn>0268-8921</issn><eissn>1435-604X</eissn><coden>LMSCEZ</coden><abstract>Step-stress accelerated life testing (SSALT) and fractographic analysis were performed to evaluate the reliability and failure modes of dental implant fabricated by machining (surface treated with alumina blasting/acid etching) or laser sintering for anterior single-unit replacements. Forty-two dental implants (3.75 × 10 mm) were divided in two groups (
n
= 21 each): laser sintered (LS) and alumina blasting/acid etching (AB/AE). The abutments were screwed to the implants and standardized maxillary central incisor metallic crowns were cemented and subjected to SSALT in water. Use-level probability Weibull curves and reliability for a mission of 50,000 cycles at 200 N were calculated. Polarized light and scanning electron microscopes were used for failure analyses. The Beta (β) value derived from use-level probability Weibull calculation of 1.48 for group AB/AE indicated that damage accumulation likely was an accelerating factor, whereas the β of 0.78 for group LS indicated that load alone likely dictated the failure mechanism for this group, and that fatigue damage did not appear to accumulate. The reliability was not significantly different (
p
> 0.9) between AB/AE (61 %) and LS (62 %). Fracture of the abutment and fixation screw was the chief failure mode. No implant fractures were observed. No differences in reliability and fracture mode were observed between LS and AB/AE implants used for anterior single-unit crowns.</abstract><cop>London</cop><pub>Springer-Verlag</pub><pmid>22843309</pmid><doi>10.1007/s10103-012-1170-8</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Acid Etching, Dental Aluminum Oxide Crowns Dental Implantation, Endosseous Dental Implants Dental Materials - radiation effects Dental Restoration Failure Dentistry Equipment Failure Analysis Humans Lasers Lasers, Solid-State Materials Testing Medicine Medicine & Public Health Microscopy, Electron, Scanning Optical Devices Optics Original Article Photonics Quantum Optics Surface Properties Transplants & implants |
| title | Reliability evaluation of alumina-blasted/acid-etched versus laser-sintered dental implants |
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