1. Bergenholtz G, Horsted-Bindslev P, Reit C. Textbook of Endodontology. 2nd ed. Oxford: Wiley-Blackwell Publishing Ltd.; 2010.
2. Vanwter GA. Dental anomalies. D Cosmos 1886;28:64.
3. Taylor D. Two distinct roots in inferior cuspid. D Cosmos 1886;28:128.
4. Koskin GA. Cuspids with two roots. D Cosmos 1926;68:403.
5. Hemtel C, Madeira MC, Bemabe JM. Contribuicoaobestudo dos caninos inferiors birradiculados. Rev Fac Odontol Arecatuba 1965;1:83-92.