1Siqueira J F J R.Microbial causes of endodontic flare-ups[J].Int Endod J,2003,36(7):453-463.
2Georgopoulou M,Anastassiadis P,Sykaras S.Pain after chemome chanical preparation.[J] Int Endod J,1986,19(6):309-314.
3Siqueira J F,Lima KC,Magalheas F,et al.Mechanical reduction of the bacterial population in the root canal by three instrumentation techniques.[J] J Endod,1999,25(5):332-335.
4Langeland K,Liaokks,Pascon E A.Work-saving devices in endodontics:efficacy of sonic and ultrasonic techniques[J].J Endod,1985,11:499.
5Stuart K G,Miller C H,Brown C E,et al.The comparative antimicrobial effect of calcium hydroxide[J].Oral Surg Oral Med Oral Pathal,1991,72:101-104.
6Barthel C R,Levin L G,Reisner HM,et al.TNF-αrelease in monocytes after exposure to calcium hydroxide treatedEscherichia coli LPS[J].Int Endod J,1997,30:155-159.