3Robertson A. Pulp survival and hard tissue formation subsequent to dental trauma. A clinical and histological study of uncomplicated crown fractures and luxation injuries. Swed Dent J Suppl, 1997, 125: 1-65.
4Mesic-Par N, Pecina-Hrncevic A, Stipetic S. Clinical and histological examination of young permanent teeth after vital amputation of the pulp. Acta Stomatol Croat, 1990, 24 ( 4 ) : 253 -262.
5Olsburgh S,Jacoby T, Krejci I. Crown fractures in the permanent dentition: pulpal and restorative considerations. Dent Traumatol, 2002,18(3) : 103-115.
6Svizero Nda, Bresciani E, Francischone CE, et al. Partial pulpotomy and tooth reconstruction of a crown-fractured permanent incisor:a case report. Quintessence Int,2003,34(10) : 740-747.
7Morse DR. Age-related changes of the dental pulp complex and their relationship to systemic aging. Oral Surg Oral Med Oral Pathol,1991,72(6) : 721-745.
8Torneck CD,Moe H, Howley TP. The effect of calcium hydroxide on porcine pulp fibroblasts in vitro. J Endod, 1983,9 (4): 131-136.
9Andujar MB, Couble P, Couble ML,et al. Differential expression of type Ⅰ and type Ⅲ collagen genes during tooth development. Development, 1991,111 (3) : 691-698.
10Martinez EF, Maehado de Souza SO, Correa L, et al. Immunohistochemical localization of tenascin, fibronectin, and type Ⅲ collagen in human dental pulp. J Endod, 2000,26 (12): 708-711.
