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Evaluation of morphological changes produced by orifice opener systems using computerized tomography (CT)

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Evaluation of morphological changes produced by orifice opener systems using computerized tomography (CT)

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dc.contributor.author Hervás García, A. es
dc.contributor.author Forner Navarro, Leopoldo es
dc.contributor.author Llena Puy, María Carmen es
dc.contributor.author Zaragoza, Eduardo es
dc.date.accessioned 2017-09-07T10:56:44Z
dc.date.available 2017-09-07T10:56:44Z
dc.date.issued 2009 es
dc.identifier.citation Hervás García, A. ; Forner Navarro, Leopoldo ; Llena Puy, María Carmen ; Zaragoza, Eduardo. Evaluation of morphological changes produced by orifice opener systems using computerized tomography (CT). En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 14 12 2009: 12- es
dc.identifier.uri http://hdl.handle.net/10550/60639
dc.description.abstract Objectives: To evaluate modifications in root canal morphology following instrumentation with orifice openers using Computerized Tomography (CT). Study design: Experimental in vitro study. A preoperative CT was performed on 49 molars to measure the root canal cross-sections. After preparing the canals with 6 different nickel-titanium (Ni-Ti) rotary system orifice opener type instruments and Gates Glidden burs, a further CT was made and compared with the preoperative one. Kruskal-Wallis and ANOVA statistical analysis were used. Results: Gates Glidden burs were significantly more aggressive in the coronal portion of the canals, although all the instruments removed more dental tissue in the most coronal of the sections studied. Bucco-lingual diameters were modified more than the mesio-distal ones. The stainless steel instruments used lead to greater modifications being required in the canals than those made of nickel-titanium. The ProFile system instruments were observed to be those that caused the least amount of change. Conclusions: Stainless steel burs are more aggressive than new orifice openers without significant differences observed between Ni-Ti instruments es
dc.title Evaluation of morphological changes produced by orifice opener systems using computerized tomography (CT) es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/medoral.14.e674 es
dc.type.hasVersion VoR es_ES

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