Sanfelice, Cintia Mussoline Effects of four instruments on coronal pre-enlargement by using cone beam computed tomography. [electronic resource] - Journal of endodontics May 2010 - 858-61 p. digital Publication Type: Journal Article ISSN: 1878-3554 Standard No.: 10.1016/j.joen.2009.12.003 doi Subjects--Topical Terms: Cone-Beam Computed TomographyDental InstrumentsDental Pulp Cavity--diagnostic imagingEquipment SafetyHumansImage Processing, Computer-Assisted--methodsMolarRoot Canal Preparation--instrumentationStatistics, NonparametricTooth Cervix