5Bitter K, Noetzel J, Stamm O, et al. Randomized clinical trial compa- ring the effects of post placement on failure rate of postendodontic restorations:preliminary results of a mean period of 32 months[ J]. J Endod ,2009,35 ( 11 ) : 1477-1482.
7Gupta S, Das G. Clinical and radiographic evaluation of zinc oxide eugenol and metapex in root canal treatment of primary teeth[J]. J Indian Soc Pedod Prev Dent,2011 ;29 (3) :222-228.
8Cwikla SJ, Belanger M, Giguere S, et al. Dentinal tubule disinfection using three calcium hydroxide formulations [ J]. J Endod,2005 ;31( 1 ) :50-52.
9Sridhar N, Tandon S. Continued root- end growth and apexification using a calcium hydroxide and iodoform paste (metapex) :three ease reports[ J ]. J Contemp Dent Pract, 2010;11(5) :63-70.
10Subramaniam P, Gilhotra K, Endoflas. Zinc oxide eugenol and metapex as root canal filling materials in primary molars-a comparative clinical study [ J ]. J Clin Pediatr Dent, 2011 ; 35 ( 4 ) : 365 - 369.