1. Baker AN, Eleazar PD, Averbach RE, Seltzer S. Scanning electron microscopic study of the efficacy of various irritating solutions. J Endodon 1975; 1: 127-135. 2. Resnick L, Salahuddin SZ, Tondreau S. Stability and inactivation of HTLV-II/LAV under clinical and laboratory environments. JAMA 1986; 255: 1887-1891. 3. White RR, Janer LR, Hays GL. Residual antimicrobial activity associated with a chlorhexidine endodontic irrigant used with sodium hypochlorite. Am J Dent 1999;12: 148-150. 4. Harrison JW, Svec TA, Baumgartner JC. Analysis of clinical toxicity of endodontic irrigants. J Endodon 1978; 4: 6-11. 5. Jeansonne MJ, White RR. A comparison of 2.0% chlorhexidine gluconate and 5.25% sodium hypochlorite as antimicrobial endodontic irrigants. J Endodon 1994;20: 276-278. 6. Kaufman AY, Keila S. Hypersensitivity to sodium hypochlorite. J Endodon 1989; 15: 224-226. 7. Heggers JP, Sazy AJ, Stenberg BD, Strock LL, Mc Cauley RL, Hernon DN et al. Bacterial and wound-healing properties of sodium hypochlorite solutions. J Burn Care Rehabil 1991; 12:420-424. 8. Baumgartner JC, Cuenin PR. Efficacy of several concentrations of sodium hypochlorite for root canal irrigation. J Endodon 1992; 18: 605-612. 9. Kennedy DW. Functional endoscopic sinus surgery. Technique. Arch Otolaryngol 1985; 111:643-649. 10. Hoy RH. Accidental systemic exposure to sodium hypochlorite. Am J Hosp Pharm 1981; 38: 1512-1514. 11. Ingram TA. Response of the human eye to accidental exposure to sodium hypochlorite. J Endodon 1990; 16:235-238. 12. Gatot A, Arbelle J, Leiberman A, Yanai-Inbar I. Effects of sodium hypochlorite on soft tissues after its inadvertent injection beyond the root apex. J Endodon 1991; 17: 573-574. 13. Ehrich DG, Brian JD, Walker WA. Sodium hypochlorite accident: inadverten