1. 1) Boucher Y, Sobel M, Sauveur G (2000) Persistent pain related to root canal filling and apical fenestration: A case report. J Endod 26:242-244.
2. 2) Carranza FA, Camago PM, Takei HH (2006) Bone loss and patterns of Bone Destruction. Clinical periodontology, 11th ed., pp.140-150, Saunders Com, St. Louis.
3. 3) Elliot JR, Bowers GM (1963) Alveolar dehiscence and fenestration. Periodontics 1:245-248.
4. 4) Furusawa M, Hosokawa S, Hayakawa H, Ida A, Yoshida T, Watanabe M (2010) Treatment of refractory apical periodontitis with calcium hydroxide preparation “Calvital” a clinical follow-up study. Jpn J Conserv Dent 53:330-338. (in Japanese)
5. 5) Furusawa M, Onuki M, Hosokawa S, Oosako M, Hayakawa H, Nemoto U, Sekine J, Yoshida T, Watanabe M (2008) Treatment of refractory apical periodontitis with intentional tooth replantation: a clinical follow-up study. Jpn J Conserv Dent 51:403-410. (in Japanese)