Blum, J Y Analysis of forces developed during mechanical preparation of extracted teeth using Profile NiTi rotary instruments. [electronic resource] - International endodontic journal Jan 1999 - 24-31 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0143-2885 Subjects--Topical Terms: Analysis of VarianceDental InstrumentsDental Stress AnalysisHumansNickelRoot Canal Preparation--instrumentationTitaniumTorque