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dc.contributor.authorBarak, Yaakov
dc.date.accessioned2019-06-20T13:18:12Z
dc.date.available2019-06-20T13:18:12Z
dc.date.issued2019
dc.identifier.urihttp://hdl.handle.net/10713/9590
dc.description2019
dc.descriptionBiomedical Sciences-Dental School
dc.descriptionUniversity of Maryland, Baltimore
dc.descriptionM.S.
dc.description.abstractINTRODUCTION: The purpose of this study is to compare the ability of the XP-3D (XP) Shaper (Brasseler USA, Savannah, GA), TRUShape 3D (TS) Conforming Files (Dentsply, Tulsa, OK), and Vortex Blue (VB, Dentsply) files to remove gutta-percha and BC Sealer (BCS, Brasseler USA, Savannah, GA) from root canals, and to compare the time necessary for retreatment. MATERIALS AND METHODS: 36 extracted single-rooted mandibular premolars were instrumented, and obturated with gutta-percha and BCS. The teeth were then retreated with either XP, TS, or VB. The teeth were sectioned and analyzed with a digital microscope at 35x and ImageJ software for the percentage of material on the canal walls. RESULTS: All groups removed obturation material to a similar extent. XP was significantly faster than TS or VB. CONCLUSION: There is no significant difference in the ability of XP, TS, or VB in removing obturation material, however, retreatment with XP is significantly faster.
dc.subjectfilesen_US
dc.subjectTRUShape 3D Conforming Filesen_US
dc.subjectVortex Blue filesen_US
dc.subjectXP-3D Shaperen_US
dc.subject.meshEndodonticsen_US
dc.subject.meshRetreatment—methodsen_US
dc.subject.meshRoot Canal Therapyen_US
dc.titleEfficacy of Different File Systems in Removing Gutta-Percha Cones Coated with Nanoparticles and Bioceramic Root Canal Sealer
dc.typedissertationen_US
dc.date.updated2019-06-17T19:17:52Z
dc.language.rfc3066en
dc.contributor.advisorMartinho, Frederico C.
refterms.dateFOA2019-06-20T13:18:13Z


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