3Dominguez RA, Munoa ML, Aznar MT. Study of calcium hydroxide apexification in 26 young permanent incisors. Dent Traumatol, 2005, 21 (3) : 141 - 145.
4Thaer M, Mare' chaux SC. Induced root apexification following traumatic injures of the pulp in children: follow -up study. ASCD J Dent Child, 1988, 55(3): 190-195.
5Kleier D J, Barr ES. A study of endodontically apexified teeth. Endod Dent Traumatol, 1991,7(3) :112-117.
6Eraogan G. The treatment of nonvital immature teeth with calcium hydroxide - sterile water paste: two case reports. Quintessence Int, 1997, 28(10): 681 -686.
7Cvek M. Treatment of non - vital permanent incisor with calcium hydroxide. Odont Revy, 1972, 23(3) : 27 -44.
8Yatea JA. Barrier formation time in non - vital teeth with open apices. Int Endod J, 1988, 21(5) : 313 -31.
9Mackie IC.UK national clinical guidelines in paediatric dentistry.Int J of Paediatr Dent,1998,8:289
10Yates JA.Barreir formation time in non-vital teeth with open apices.Int Endod J,1988,21:313
2Lee LW, Hsiao SH, Chang CC, et al. Duration for apical barrier formation in necrotic immature permanent incisors treated with calcium hydroxide apexification using ultrasonic or hand filing. J Formos Med Assoc ,2010, 109:596-602.
3Narita H, Itoh S Imazato. An explanation of the mineralization mechanism in osteoblasts induced by calcium hydroxide. Acta biomaterialia, 2010,6: 586-590.
