2[1]Siqueira JF.Microbial causes of endodontic flare-ups[J].Int Endod J,2003,36 (7):453.
3[2]Mohd Sulong MZA.The incidence of postoperative pain after canal preparation of open teeth using two irrigation regimes[J].Int Endod J,1989,22:248.
4[3]Alacam T,Tinaz AC.Interappointment emergencies in teeth with necrotic pulps[J].J Endod,2002,28 (5):375.
5[4]Hargreaves KM,Keiser K.New advances in the management of endodontic pain emergencies[J].J Calif Dent Assoc,2004,32(6):469.
6Negm MM. Management of endodontic pain with nonieroidal anti- inflammatory agems ; Adoubie- blond, placebo- controlled study (J). Oral Sury Oral Path, 1989,67(1):88-95.
7Contreras MA. Zinman EH, Kaplan SK. Comparison of the first file that fits at the apex, before arid alter early flaring. J Endodon, 2001,27 : 112 - 116.
8Mohd Sulong MZ,Abu-Hassan MI ,Abdul Razak AA,et al. Incidence of pain after biomechanical preparation: a review of 302 cases treated by dental students[J]. Singapore Dent J, 1996,21(1):31.
9Zarzar PA,Rosenblatt A,Takahashi CS,et al. Formocresol mutagenicity following primary tooth pulp therapy:an in vivo study[J]. J Dent, 2003,31 (7):479.
10Siren EK,Haapasalo MP,Waltimo TM,et al. In vitro antibacterial effect of calcium hydroxide combined with chlorhexidine or iodine potassium iodide on Enterococcus faecalis[J]. Eur J Oral Sci ,2004, 112(4):326.