1. 1) Bolk L (1914) Supernumerary teeth in molar region in man. Dental Cosmos 56:154-167.
2. 2) Kitamura H, Nishikawa S (1985) Location and shape of the so-called 4th molar: Possibility of duplication and fusion of the 3rd molar. Kanagawa Shigaku 19:407-417.
3. 3) Kokten G, Balcioglu H, Buyukertan M (2003) Supernumerary fourth and fifth molars: a report of two cases. J Contemp Dent Pract 4:67-76.
4. 4) Nakashima R, Tsuru Y, Hamasaka Y, Honda T, Komoto K (1983) Three cases of Distomolar. J Fukuoka D C 10:201-208. (in Japanese)
5. 5) Nishioka Y, Inada Y (1956) A case of distomolar. Handai Shigaku-si 1:328-330. (in Japanese)