Influence of Electrochemical Polishing on the Mechanical Properties of K3 Nickel-Titanium Rotary Instruments
Abstract Instrument fracture is a serious concern in endodontic treatment. Several studies have evaluated the influence of various factors on the fracture of nickel-titanium endodontic rotary instruments. The present study analyzes the influence of electrochemical polishing on flexural fatigue and t...
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| Veröffentlicht in: | Journal of endodontics 2008-12, Vol.34 (12), p.1533-1536 |
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| container_title | Journal of endodontics |
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| creator | Barbosa, Fabiola Ormiga Galvão, MSc Gomes, José Antônio da Cunha Ponciano, DSc de Araújo, Marcos Cesar Pimenta, DSc |
| description | Abstract Instrument fracture is a serious concern in endodontic treatment. Several studies have evaluated the influence of various factors on the fracture of nickel-titanium endodontic rotary instruments. The present study analyzes the influence of electrochemical polishing on flexural fatigue and torsional properties of K3 nickel-titanium endodontic rotary instruments. New files and polished files were tested for flexural fatigue and for resistance to fracture by twisting. The t test was used to compare the groups for number of cycles, angle of rotation, and maximum torque necessary to fracture. No statistical difference existed between these groups. Scanning electron microscopy analysis showed no significant differences caused by electrochemical polishing between these groups. These results suggest that electrochemical polishing has no influence on resistance to fracture of K3 rotary instruments. |
| doi_str_mv | 10.1016/j.joen.2008.08.023 |
| format | Article |
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Several studies have evaluated the influence of various factors on the fracture of nickel-titanium endodontic rotary instruments. The present study analyzes the influence of electrochemical polishing on flexural fatigue and torsional properties of K3 nickel-titanium endodontic rotary instruments. New files and polished files were tested for flexural fatigue and for resistance to fracture by twisting. The t test was used to compare the groups for number of cycles, angle of rotation, and maximum torque necessary to fracture. No statistical difference existed between these groups. Scanning electron microscopy analysis showed no significant differences caused by electrochemical polishing between these groups. These results suggest that electrochemical polishing has no influence on resistance to fracture of K3 rotary instruments.</description><identifier>ISSN: 0099-2399</identifier><identifier>EISSN: 1878-3554</identifier><identifier>DOI: 10.1016/j.joen.2008.08.023</identifier><identifier>PMID: 19026889</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Acetic Acid - chemistry ; Dental Alloys - chemistry ; Dental Polishing - methods ; Dentistry ; Electrochemical polishing ; Electrochemical Techniques ; Endocrinology & Metabolism ; endodontic instrument ; Equipment Design ; Equipment Failure ; fracture ; Humans ; Hydrofluoric Acid - chemistry ; Hydrogen-Ion Concentration ; Materials Testing ; Microscopy, Electron, Scanning ; Nickel - chemistry ; nickel-titanium ; Nitric Acid - chemistry ; Pliability ; Root Canal Preparation - instrumentation ; Rotation ; Stress, Mechanical ; Surface Properties ; Titanium - chemistry ; Torque ; Torsion, Mechanical</subject><ispartof>Journal of endodontics, 2008-12, Vol.34 (12), p.1533-1536</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-c6cc8e0af2ec970e48f5412ddf984742f9f8c5fb1e519b5ab95097137a5c13cf3</citedby><cites>FETCH-LOGICAL-c475t-c6cc8e0af2ec970e48f5412ddf984742f9f8c5fb1e519b5ab95097137a5c13cf3</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.2008.08.023$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19026889$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Barbosa, Fabiola Ormiga Galvão, MSc</creatorcontrib><creatorcontrib>Gomes, José Antônio da Cunha Ponciano, DSc</creatorcontrib><creatorcontrib>de Araújo, Marcos Cesar Pimenta, DSc</creatorcontrib><title>Influence of Electrochemical Polishing on the Mechanical Properties of K3 Nickel-Titanium Rotary Instruments</title><title>Journal of endodontics</title><addtitle>J Endod</addtitle><description>Abstract Instrument fracture is a serious concern in endodontic treatment. Several studies have evaluated the influence of various factors on the fracture of nickel-titanium endodontic rotary instruments. The present study analyzes the influence of electrochemical polishing on flexural fatigue and torsional properties of K3 nickel-titanium endodontic rotary instruments. New files and polished files were tested for flexural fatigue and for resistance to fracture by twisting. The t test was used to compare the groups for number of cycles, angle of rotation, and maximum torque necessary to fracture. No statistical difference existed between these groups. Scanning electron microscopy analysis showed no significant differences caused by electrochemical polishing between these groups. These results suggest that electrochemical polishing has no influence on resistance to fracture of K3 rotary instruments.</description><subject>Acetic Acid - chemistry</subject><subject>Dental Alloys - chemistry</subject><subject>Dental Polishing - methods</subject><subject>Dentistry</subject><subject>Electrochemical polishing</subject><subject>Electrochemical Techniques</subject><subject>Endocrinology & Metabolism</subject><subject>endodontic instrument</subject><subject>Equipment Design</subject><subject>Equipment Failure</subject><subject>fracture</subject><subject>Humans</subject><subject>Hydrofluoric Acid - chemistry</subject><subject>Hydrogen-Ion Concentration</subject><subject>Materials Testing</subject><subject>Microscopy, Electron, Scanning</subject><subject>Nickel - chemistry</subject><subject>nickel-titanium</subject><subject>Nitric Acid - chemistry</subject><subject>Pliability</subject><subject>Root Canal Preparation - instrumentation</subject><subject>Rotation</subject><subject>Stress, Mechanical</subject><subject>Surface Properties</subject><subject>Titanium - chemistry</subject><subject>Torque</subject><subject>Torsion, Mechanical</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>eNp9kV1rFDEUhoModlv9A17IXHk3az5mdhIQQUqti_UDrddh9syJm2km2SYZof_ejLsgeCEcyEWe9yV5DiEvGF0zyjavx_UY0K85pXK9DBePyIrJTtaibZvHZEWpUjUXSp2R85RGSlknRPeUnDFF-UZKtSJu642b0QNWwVRXDiHHAHucLPSu-hqcTXvrf1bBV3mP1SeEfe-PdzEcMGaLaUl-FNVnC3fo6lubCzFP1beQ-_hQbX3KcZ7Q5_SMPDG9S_j8dF6QH--vbi8_1DdfrreX725qaLo217ABkEh7wxFUR7GRpm0YHwajZNM13CgjoTU7hi1Tu7bfqZaqjomub4EJMOKCvDr2HmK4nzFlPdkE6FzvMcxJb5TkjAleQH4EIYaUIhp9iHYqr9aM6sWxHvXiWC-O9TJclNDLU_u8m3D4GzlJLcCbI4Dlj78sRp3ALooHG4tfPQT7__63_8TB2T_O7_AB0xjm6Is9zXTimurvy5aXJVNJaVf8iN-1oKPt</recordid><startdate>20081201</startdate><enddate>20081201</enddate><creator>Barbosa, Fabiola Ormiga Galvão, MSc</creator><creator>Gomes, José Antônio da Cunha Ponciano, DSc</creator><creator>de Araújo, Marcos Cesar Pimenta, DSc</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>20081201</creationdate><title>Influence of Electrochemical Polishing on the Mechanical Properties of K3 Nickel-Titanium Rotary Instruments</title><author>Barbosa, Fabiola Ormiga Galvão, MSc ; Gomes, José Antônio da Cunha Ponciano, DSc ; de Araújo, Marcos Cesar Pimenta, DSc</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c475t-c6cc8e0af2ec970e48f5412ddf984742f9f8c5fb1e519b5ab95097137a5c13cf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Acetic Acid - chemistry</topic><topic>Dental Alloys - chemistry</topic><topic>Dental Polishing - methods</topic><topic>Dentistry</topic><topic>Electrochemical polishing</topic><topic>Electrochemical Techniques</topic><topic>Endocrinology & Metabolism</topic><topic>endodontic instrument</topic><topic>Equipment Design</topic><topic>Equipment Failure</topic><topic>fracture</topic><topic>Humans</topic><topic>Hydrofluoric Acid - chemistry</topic><topic>Hydrogen-Ion Concentration</topic><topic>Materials Testing</topic><topic>Microscopy, Electron, Scanning</topic><topic>Nickel - chemistry</topic><topic>nickel-titanium</topic><topic>Nitric Acid - chemistry</topic><topic>Pliability</topic><topic>Root Canal Preparation - instrumentation</topic><topic>Rotation</topic><topic>Stress, Mechanical</topic><topic>Surface Properties</topic><topic>Titanium - chemistry</topic><topic>Torque</topic><topic>Torsion, Mechanical</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Barbosa, Fabiola Ormiga Galvão, MSc</creatorcontrib><creatorcontrib>Gomes, José Antônio da Cunha Ponciano, DSc</creatorcontrib><creatorcontrib>de Araújo, Marcos Cesar Pimenta, DSc</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>Barbosa, Fabiola Ormiga Galvão, MSc</au><au>Gomes, José Antônio da Cunha Ponciano, DSc</au><au>de Araújo, Marcos Cesar Pimenta, DSc</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of Electrochemical Polishing on the Mechanical Properties of K3 Nickel-Titanium Rotary Instruments</atitle><jtitle>Journal of endodontics</jtitle><addtitle>J Endod</addtitle><date>2008-12-01</date><risdate>2008</risdate><volume>34</volume><issue>12</issue><spage>1533</spage><epage>1536</epage><pages>1533-1536</pages><issn>0099-2399</issn><eissn>1878-3554</eissn><abstract>Abstract Instrument fracture is a serious concern in endodontic treatment. Several studies have evaluated the influence of various factors on the fracture of nickel-titanium endodontic rotary instruments. The present study analyzes the influence of electrochemical polishing on flexural fatigue and torsional properties of K3 nickel-titanium endodontic rotary instruments. New files and polished files were tested for flexural fatigue and for resistance to fracture by twisting. The t test was used to compare the groups for number of cycles, angle of rotation, and maximum torque necessary to fracture. No statistical difference existed between these groups. Scanning electron microscopy analysis showed no significant differences caused by electrochemical polishing between these groups. These results suggest that electrochemical polishing has no influence on resistance to fracture of K3 rotary instruments.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>19026889</pmid><doi>10.1016/j.joen.2008.08.023</doi><tpages>4</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Acetic Acid - chemistry Dental Alloys - chemistry Dental Polishing - methods Dentistry Electrochemical polishing Electrochemical Techniques Endocrinology & Metabolism endodontic instrument Equipment Design Equipment Failure fracture Humans Hydrofluoric Acid - chemistry Hydrogen-Ion Concentration Materials Testing Microscopy, Electron, Scanning Nickel - chemistry nickel-titanium Nitric Acid - chemistry Pliability Root Canal Preparation - instrumentation Rotation Stress, Mechanical Surface Properties Titanium - chemistry Torque Torsion, Mechanical |
| title | Influence of Electrochemical Polishing on the Mechanical Properties of K3 Nickel-Titanium Rotary Instruments |
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