Search results for "Dental instruments and apparatus"

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Failure of ProTaper rotary Ni-Ti instruments used by undergraduate students

2012

Objective: To evaluate the effect of number of uses, angle and radius of curvature and type of instrument on the fracture of ProTaper rotary instruments when used by undergraduate students. Study Design: Three hundred and seventy-six molars, with a total of 1114 root canals, extracted were instrumented by undergraduate students using ProTaper instruments according to the manufacturer´s recommendations. When fracture occurred, data were collected concerning the number of uses, type of instrument, level of fracture, angle and radius of curvature. ANOVA test were used to determine the influence of type of instrument in the incidence of instrument fracture. Logistic regression model was used to…

OrthodonticsDental materialsbusiness.industryResearchMaterials dentalsDental instruments and apparatusAnova testEstudiants universitarisOdontología:CIENCIAS MÉDICAS [UNESCO]CurvatureOdontologiaCiencias de la saludRadius of curvature (optics)Clinical and Experimental DentistryDentistryUNESCO::CIENCIAS MÉDICASFracture (geology)Aparells i instruments odontològicsMedicineCollege studentsbusinessGeneral Dentistry

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PEPhysical Sciences and Engineering
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