1. Dens in Dente;Poyton;Dent. Radiogr. Photogr,1966
2. Incidence of Small Dens in Dente;Amos;J. Am. Dent. Assoc,1955
3. Dens in Dente;Shafer;N. Y. Dent. J,1953
4. Pathology of the Dental Hard Tissues;Pindborg,1970
5. Double Dens in Dente in a Single Tooth;Ulmansky;Oral Surg,1964