In vitro Evaluation of the Precision of Four Different Electronic Apex Locators in Determining the Working Length of Teeth after Removing Root Canal Obturation Materials

C.H.R. Stavrianos, S.T. Vladimirov, L. Vasiliadis, I. Stavrianou, I. Panayotov and P. Pamporakis

Research Journal of Medical Sciences 2 ( 6 ): 282 - 286 , 2008