1 Leonardo MR. Endodoncia, tratamiento de conductos radiculares. Principios técnicos y biológicos. Volumen 1. Ed. Latinoamericana, 2005.

2 Lipton JA, Ship JA. Estimated prevalence and distribution of reported orofacial pain in the United States. J Am Dent Assoc 1993;115-121.

3 Rickoff B, Trowbridge, Baker J, Fuss Z, Bender IB. Effects of thermal vitality test on human dental pulp. J. Endodontics 1998, vol. 4, p. 482-485.

4 Chambers IG. The role an methods of pulp testing in oral diagnosis: a review. International Endodontics Journal 1982 vol. 15, p.1.

5 Morse DR, Seltzer S, Sinai I, Biron G. Endodontics classification. JADA 1977;94:685.

6 Walton RE, Torabinejad M. Endodoncia, principios y práctica clínica. Ed. Interamericana McGraw-Hill, 1991