4[1]Tepel J ,Darwisch M ,Hoppe W. Reaction of inflamed periapical tissues to intracanal medication and root canal sealers. Endod Dent Traumatol,1994,10:233
5[2]Nurko C,Garcia-Godoy F. Evaluation of a calcium hydroxide/iodoform paste(vitapex) in root canal therapy for primary teeth. J Clin Pediatr Dent, 1999,23 (4): 289
6[3]Kawakami T,Nakamura C ,HasegawaH ,et al. Ultrastructural study of initial calcification in the rat subcutaneous tissues elicited by a root canal filling material. Oral Surg Oral Med Oral Pathol, 1987,63 ( 3 ): 360
7[4]Fujii H,Machida Y. Histological study of therapy for infected nonvital permanent teeth with incompletely formed apices.Bull Tokyo Dent Coll,1991,32(1):35
8[5]Tchaou WS,Turng BF ,Minah GE ,et al. In vitro inhibition of bacteria from root canals of primary teeth by various dental materials. Pediatr Dent, 1995,17 (5): 351
