http://endomontreal.com/2008/06/13/complete-calcification-of-lower-incisor-to-treat-and-save-from-extraction-case/ Dr Pierre Pizem's dentist blog for dentists about difficult root canals Thu, 26 Jan 2012 11:14:32 +0000 hourly 1 http://wordpress.org/?v=3.2.1