Fatigue Resistance of Engine-driven Rotary Nickel-Titanium Instruments Produced by New Manufacturing Methods
Abstract The aim of the present study was to investigate whether cyclic fatigue resistance is increased for nickel-titanium instruments manufactured by using new processes. This was evaluated by comparing instruments produced by using the twisted method (TF; SybronEndo, Orange, CA) and those using t...
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| Veröffentlicht in: | Journal of endodontics 2008-08, Vol.34 (8), p.1003-1005 |
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| container_title | Journal of endodontics |
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| creator | Gambarini, Gianluca, MD, DDS Grande, Nicola Maria, DDS Plotino, Gianluca, DDS Somma, Francesco, MD, DDS Garala, Manish, DDS De Luca, Massimo, MD, DDS Testarelli, Luca, DDS |
| description | Abstract The aim of the present study was to investigate whether cyclic fatigue resistance is increased for nickel-titanium instruments manufactured by using new processes. This was evaluated by comparing instruments produced by using the twisted method (TF; SybronEndo, Orange, CA) and those using the M-wire alloy (GTX; Dentsply Tulsa-Dental Specialties, Tulsa, OK) with instruments produced by a traditional NiTi grinding process (K3, SybronEndo). Tests were performed with a specific cyclic fatigue device that evaluated cycles to failure of rotary instruments inside curved artificial canals. Results indicated that size 06-25 TF instruments showed a significant increase (p < 0.05) in the mean number of cycles to failure when compared with size 06-25 K3 files. Size 06-20 K3 instruments showed no significant increase (p > 0.05) in the mean number of cycles to failure when compared with size 06-20 GT series X instruments. The new manufacturing process produced nickel-titanium rotary files (TF) significantly more resistant to fatigue than instruments produced with the traditional NiTi grinding process. Instruments produced with M-wire (GTX) were not found to be more resistant to fatigue than instruments produced with the traditional NiTi grinding process. |
| doi_str_mv | 10.1016/j.joen.2008.05.007 |
| format | Article |
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This was evaluated by comparing instruments produced by using the twisted method (TF; SybronEndo, Orange, CA) and those using the M-wire alloy (GTX; Dentsply Tulsa-Dental Specialties, Tulsa, OK) with instruments produced by a traditional NiTi grinding process (K3, SybronEndo). Tests were performed with a specific cyclic fatigue device that evaluated cycles to failure of rotary instruments inside curved artificial canals. Results indicated that size 06-25 TF instruments showed a significant increase (p < 0.05) in the mean number of cycles to failure when compared with size 06-25 K3 files. Size 06-20 K3 instruments showed no significant increase (p > 0.05) in the mean number of cycles to failure when compared with size 06-20 GT series X instruments. The new manufacturing process produced nickel-titanium rotary files (TF) significantly more resistant to fatigue than instruments produced with the traditional NiTi grinding process. Instruments produced with M-wire (GTX) were not found to be more resistant to fatigue than instruments produced with the traditional NiTi grinding process.</description><identifier>ISSN: 0099-2399</identifier><identifier>EISSN: 1878-3554</identifier><identifier>DOI: 10.1016/j.joen.2008.05.007</identifier><identifier>PMID: 18634935</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Cyclic fatigue ; Dental Alloys ; Dental Instruments ; Dental Stress Analysis ; Dentistry ; Endocrinology & Metabolism ; endodontic instruments ; manufacturing process ; Metallurgy - methods ; Nickel ; nickel-titanium ; Root Canal Preparation - instrumentation ; Titanium</subject><ispartof>Journal of endodontics, 2008-08, Vol.34 (8), p.1003-1005</ispartof><rights>American Association of Endodontists</rights><rights>2008 American Association of Endodontists</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c475t-599bc8890e116e3ae1f7f379e1b5d678a1a1e401a2a144789807f1855c37a9cf3</citedby><cites>FETCH-LOGICAL-c475t-599bc8890e116e3ae1f7f379e1b5d678a1a1e401a2a144789807f1855c37a9cf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.joen.2008.05.007$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18634935$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gambarini, Gianluca, MD, DDS</creatorcontrib><creatorcontrib>Grande, Nicola Maria, DDS</creatorcontrib><creatorcontrib>Plotino, Gianluca, DDS</creatorcontrib><creatorcontrib>Somma, Francesco, MD, DDS</creatorcontrib><creatorcontrib>Garala, Manish, DDS</creatorcontrib><creatorcontrib>De Luca, Massimo, MD, DDS</creatorcontrib><creatorcontrib>Testarelli, Luca, DDS</creatorcontrib><title>Fatigue Resistance of Engine-driven Rotary Nickel-Titanium Instruments Produced by New Manufacturing Methods</title><title>Journal of endodontics</title><addtitle>J Endod</addtitle><description>Abstract The aim of the present study was to investigate whether cyclic fatigue resistance is increased for nickel-titanium instruments manufactured by using new processes. This was evaluated by comparing instruments produced by using the twisted method (TF; SybronEndo, Orange, CA) and those using the M-wire alloy (GTX; Dentsply Tulsa-Dental Specialties, Tulsa, OK) with instruments produced by a traditional NiTi grinding process (K3, SybronEndo). Tests were performed with a specific cyclic fatigue device that evaluated cycles to failure of rotary instruments inside curved artificial canals. Results indicated that size 06-25 TF instruments showed a significant increase (p < 0.05) in the mean number of cycles to failure when compared with size 06-25 K3 files. Size 06-20 K3 instruments showed no significant increase (p > 0.05) in the mean number of cycles to failure when compared with size 06-20 GT series X instruments. The new manufacturing process produced nickel-titanium rotary files (TF) significantly more resistant to fatigue than instruments produced with the traditional NiTi grinding process. Instruments produced with M-wire (GTX) were not found to be more resistant to fatigue than instruments produced with the traditional NiTi grinding process.</description><subject>Cyclic fatigue</subject><subject>Dental Alloys</subject><subject>Dental Instruments</subject><subject>Dental Stress Analysis</subject><subject>Dentistry</subject><subject>Endocrinology & Metabolism</subject><subject>endodontic instruments</subject><subject>manufacturing process</subject><subject>Metallurgy - methods</subject><subject>Nickel</subject><subject>nickel-titanium</subject><subject>Root Canal Preparation - instrumentation</subject><subject>Titanium</subject><issn>0099-2399</issn><issn>1878-3554</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kUFrFTEUhYMo9ln9Ay4kK3cz3kxmJgmIIKXVQqtS6zrkZe48M52X1GRS6b83w3sguHB1N985cL5LyGsGNQPWv5vqKaCvGwBZQ1cDiCdkw6SQFe-69inZAChVNVypE_IipQmACc7Fc3LCZM9bxbsNmS_M4nYZ6Q0mlxbjLdIw0nO_cx6rIboH9PQmLCY-0i_O3uFc3bqCubynlz4tMe_RL4l-i2HIFge6LRz-ptfG59HYJUfnd_Qal59hSC_Js9HMCV8d7yn5cXF-e_a5uvr66fLs41VlW9EtVafU1kqpABnrkRtkoxi5UMi23dALaZhh2AIzjWFtK6SSIEYmu85yYZQd-Sl5e-i9j-FXxrTovUsW59l4DDnpXvGGMwkFbA6gjSGliKO-j25ftmoGenWsJ7061qtjDZ0ujkvozbE9b_c4_I0cpRbg_QHAsvHBYdTJOixmBxfRLnoI7v_9H_6J29l5Z818h4-YppCjL_Y006nRoL-vX16fDBKgFS3nfwAX86NC</recordid><startdate>20080801</startdate><enddate>20080801</enddate><creator>Gambarini, Gianluca, MD, DDS</creator><creator>Grande, Nicola Maria, DDS</creator><creator>Plotino, Gianluca, DDS</creator><creator>Somma, Francesco, MD, DDS</creator><creator>Garala, Manish, DDS</creator><creator>De Luca, Massimo, MD, DDS</creator><creator>Testarelli, Luca, DDS</creator><general>Elsevier Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20080801</creationdate><title>Fatigue Resistance of Engine-driven Rotary Nickel-Titanium Instruments Produced by New Manufacturing Methods</title><author>Gambarini, Gianluca, MD, DDS ; Grande, Nicola Maria, DDS ; Plotino, Gianluca, DDS ; Somma, Francesco, MD, DDS ; Garala, Manish, DDS ; De Luca, Massimo, MD, DDS ; Testarelli, Luca, DDS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c475t-599bc8890e116e3ae1f7f379e1b5d678a1a1e401a2a144789807f1855c37a9cf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Cyclic fatigue</topic><topic>Dental Alloys</topic><topic>Dental Instruments</topic><topic>Dental Stress Analysis</topic><topic>Dentistry</topic><topic>Endocrinology & Metabolism</topic><topic>endodontic instruments</topic><topic>manufacturing process</topic><topic>Metallurgy - methods</topic><topic>Nickel</topic><topic>nickel-titanium</topic><topic>Root Canal Preparation - instrumentation</topic><topic>Titanium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gambarini, Gianluca, MD, DDS</creatorcontrib><creatorcontrib>Grande, Nicola Maria, DDS</creatorcontrib><creatorcontrib>Plotino, Gianluca, DDS</creatorcontrib><creatorcontrib>Somma, Francesco, MD, DDS</creatorcontrib><creatorcontrib>Garala, Manish, DDS</creatorcontrib><creatorcontrib>De Luca, Massimo, MD, DDS</creatorcontrib><creatorcontrib>Testarelli, Luca, DDS</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of endodontics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gambarini, Gianluca, MD, DDS</au><au>Grande, Nicola Maria, DDS</au><au>Plotino, Gianluca, DDS</au><au>Somma, Francesco, MD, DDS</au><au>Garala, Manish, DDS</au><au>De Luca, Massimo, MD, DDS</au><au>Testarelli, Luca, DDS</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fatigue Resistance of Engine-driven Rotary Nickel-Titanium Instruments Produced by New Manufacturing Methods</atitle><jtitle>Journal of endodontics</jtitle><addtitle>J Endod</addtitle><date>2008-08-01</date><risdate>2008</risdate><volume>34</volume><issue>8</issue><spage>1003</spage><epage>1005</epage><pages>1003-1005</pages><issn>0099-2399</issn><eissn>1878-3554</eissn><abstract>Abstract The aim of the present study was to investigate whether cyclic fatigue resistance is increased for nickel-titanium instruments manufactured by using new processes. This was evaluated by comparing instruments produced by using the twisted method (TF; SybronEndo, Orange, CA) and those using the M-wire alloy (GTX; Dentsply Tulsa-Dental Specialties, Tulsa, OK) with instruments produced by a traditional NiTi grinding process (K3, SybronEndo). Tests were performed with a specific cyclic fatigue device that evaluated cycles to failure of rotary instruments inside curved artificial canals. Results indicated that size 06-25 TF instruments showed a significant increase (p < 0.05) in the mean number of cycles to failure when compared with size 06-25 K3 files. Size 06-20 K3 instruments showed no significant increase (p > 0.05) in the mean number of cycles to failure when compared with size 06-20 GT series X instruments. The new manufacturing process produced nickel-titanium rotary files (TF) significantly more resistant to fatigue than instruments produced with the traditional NiTi grinding process. Instruments produced with M-wire (GTX) were not found to be more resistant to fatigue than instruments produced with the traditional NiTi grinding process.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>18634935</pmid><doi>10.1016/j.joen.2008.05.007</doi><tpages>3</tpages></addata></record> |
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| subjects | Cyclic fatigue Dental Alloys Dental Instruments Dental Stress Analysis Dentistry Endocrinology & Metabolism endodontic instruments manufacturing process Metallurgy - methods Nickel nickel-titanium Root Canal Preparation - instrumentation Titanium |
| title | Fatigue Resistance of Engine-driven Rotary Nickel-Titanium Instruments Produced by New Manufacturing Methods |
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