4Eleazer PD,Eleazer KR.Flare-up rate in pulpally necrotic molars in one-visit versus two-visit endodontic treatment.J Endod,1998,24:614-616.
5DiRenzo A, Gresla T, Johnson BR,et al.Postoperative pain after 1- and 2-visit root canal therapy.Oral Surg Oral Med Oral pathal, 2002,93:605-610.
6Albashaireh ZS, Alnegrish AS.Postobturation pain after single-and multiple-visit endodontic therapy. A prospective study. J Dent,1998,26:227-232.
7Walton R, Fouad A.Endodontic interappointment flare-up:a prospective study of incidence and related factors. J Endod ,1992,18:172-177.
8Roberto LRG.A comparison of one versus two appointment endodontic therapy in teeth with non-vital pulps. Int Endod ,1989,22:179-183.
9Yun Hh, Kim SK.A comparison of the shaping abilities of 4 nickel-titanium rotary instruments in simulated root canals. Oral Sury Oral Med Oral Pathol ,2003,95:228-233.
10Mor C,Rotstein I,et al. Incidence of interappointment emergency associated with endodontic therapy. J Endod 1992;18:509-511.
