The Effect of surface topographical changes of two different surface treatments rotary instrument
NAGIOS: RODERIC FUNCIONANDO

The Effect of surface topographical changes of two different surface treatments rotary instrument

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The Effect of surface topographical changes of two different surface treatments rotary instrument

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dc.contributor.author Qaed, Nashwan-Ahmed es
dc.contributor.author Mourshed, Bilal-Diab es
dc.contributor.author Al-Shamiri, Hashem M. es
dc.contributor.author Alaizari, Nader A. es
dc.contributor.author Alhamdah, Saleh-Sulaiman es
dc.date.accessioned 2018-05-23T08:44:51Z
dc.date.available 2018-05-23T08:44:51Z
dc.date.issued 2018 es
dc.identifier.uri http://hdl.handle.net/10550/66320
dc.description.abstract One of the major innovations in endodontics has been the introduction of nickel-titanium (NiTi) alloy. This study evaluated the surface topographical changes of two different surface treatments rotary instrument after instrumentation and sterilization. 240 Extracted teeth were included in this study. 90 new AlphaKite and Revo-S NiTi rotary instruments were selected and divided into two groups (Group A 45 AlphaKite and group B 45 Revo-S). Each group were divided into three subgroups: (A1, B1) n=5 files were used as a control, (A2,B2) n=20 files were used to prepare three root canals using endodontic rotary motor then sterilized by autoclave for one cycle under 121°C at 15 psi for 30 minutes and (A3,B3) n=20 files were used to prepare nine root canals using the same rotary system then sterilized by autoclave for three cycles under 121°C at 15 psi for 30 minutes. Files were examined under scanning electron microscopy. On examining the AlphaKite, A1 revealed gross machining grooves on their surface with no pits, A2 showed disruption of cutting and A3 showed microcracks and deepening of the machining grooves. B1 showed a smoother surface with few machining grooves, B2 showed dulling and blunting of the cutting edges was predominant and B3 files showed plastic deformation in the form of unwinding of the flutes. The defects were less distributed along the electropolished Revo-S files than the physical vapor deposition AlphaKite. es
dc.source Qaed, Nashwan-Ahmed ; Mourshed, Bilal-Diab ; Al-Shamiri, Hashem M. ; Alaizari, Nader A. ; Alhamdah, Saleh-Sulaiman. The Effect of surface topographical changes of two different surface treatments rotary instrument. En: Journal of Clinical and Experimental Dentistry, 10 1 2018: 49-53 es
dc.title The Effect of surface topographical changes of two different surface treatments rotary instrument es
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.54472 es

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