1. Enamel: Composition, formation and structure;Nanci,2003
2. Orban's Oral Histology and Embryology;Bhaskar,1990
3. The development and fate of epithelial residues after completion of the human odontogenesis with special reference to the origins of epithelial odontogenic neoplasms, hamartomas and cysts;Philipsen;Oral Biosci Med,2004
4. World Health Organization Classification of Tumours. Pathology and Genetics of Head and Neck Tumours,2005
5. Odontogenic cysts and tumors;Waldron,2002