1. 1. Uysal S, Nazikoðlu A, Avcu N, Müftüoðlu S. Dens in dente and fusion occurring in two supernumerary teeth: Report of an unusual case. Hacettepe Dishekimliði Fakiitesi Dergisi. Cilt: 30, Sayi: 3 Sayfa:. Cilt: 30, Sayi: 3 Sayfa: 2006. p. 54-59.
2. 2. Shafer, WG.; Hine, MK.; Levy, BM. A textbook of oral pathology. 4th ed. Philadelphia: WB Saunders; 1987. p. 41-42.
3. 3. White, SC; Pharoah, MJ. Oral radiology principles and interpretation. St Louis: Mosby; 2000. p. 314-315.
4. 4. Lee AM, Bedi R, O'Donnell D. Bilateral double dens invaginatus of maxillary incisors in a young Chinese girl. Aust Dent J 1988 Aug;33(4):310-312.
5. 5. Pindborg, JJ. Pathology of the dental hard tissues. 4th ed. Philadelphia: WB Saunders; 1970. p. 58-64.